What does Cupid do to Apollo in revenge?
Answers
Apollo boasted to Cupid about how much larger his bow was. Apollo was offended, and Cupid hit him with a golden love arrow in retaliation, leading him to fall in love with the first person he saw.
What harm did Eros cause Apollo?Apollo had cracked far too many jokes about Eros. Eros shot Apollo with one of his golden arrows as a kind of retribution, which caused Apollo to fall hopelessly in love with the nymph Daphne.
Is Cupid able to vanquish Apollo?The next action taken by Cupid was something Apollo did not anticipate. The god of love flapped his wings as he soared alongside the god of music. Then, with a "golden arrow with a keen gleaming point," he shot him in the chest.
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Related Questions
A 100.0 mL sample of 0.18 M HClO 4 is titrated with 0.27 M LiOH. Determine the pH of the solution after the addition of 30.0 mL of LiOH.
1.12
1.21
0.86
2.00
2.86
Answers
pH of solution after addition of LiOH to HClO4 is approximately 1.00.
What is the pH of a solution obtained by titrating 100.0 mL of 0.18 M HClO4 with 0.27 M LiOH and adding 30.0 mL of LiOH?
First, let's write the balanced chemical equation for the reaction between HClO4 and LiOH:
HClO4 + LiOH -> LiClO4 + H2O
Next, we can use stoichiometry to determine how much HClO4 and LiOH react. Since the concentration of LiOH is 0.27 M and the volume added is 30.0 mL (0.0300 L), the moles of LiOH added is:
moles of LiOH = concentration x volume = 0.27 M x 0.0300 L = 0.00810 moles
Since the stoichiometry of the balanced equation tells us that the ratio of HClO4 to LiOH is 1:1, we know that the moles of HClO4 consumed by the reaction is also 0.00810 moles.
The initial moles of HClO4 in solution is:
moles of HClO4 = concentration x volume = 0.18 M x 0.1000 L = 0.0180 moles
Therefore, after the addition of LiOH, the total moles of HClO4 in solution is:
total moles of HClO4 = initial moles - moles consumed by LiOH = 0.0180 moles - 0.00810 moles = 0.00990 moles
Calculation of the pH of the solution, we determine the concentration of H+ ions. Since HClO4 is a strong acid, it completely dissociates in water to form H+ and ClO4- ions. Therefore, the concentration of H+ ions is equal to the concentration of HClO4:
[H+] = 0.00990 moles / 0.1000 L = 0.0990 M
Now using the the equation of pH of a solution:
pH = -log[H+]
pH = -log(0.0990)
pH = 1.00
Therefore, the pH of the solution after the addition of 30.0 mL of LiOH is approximately 1.00.
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which one of the equation pairs illustrates a favorable energetic coupling in a cell? (i.e. one reaction releases sufficient energy to drive the other to completion). select all that apply.
Answers
Equations 1 & 2, Equations 2&3, and Equations 1&3 illustrate a favorable energetic coupling in a cell.
What is the non-spontaneous reaction?
A nonspontaneous reaction is one that under the specified conditions, does not favour the formation of products. A reaction needs to be endothermic, accompanied by the a drop in entropy, or both to qualify as nonspontaneous. The majority of the gases that make up our atmosphere are a combination of nitrogen and oxygen.
If G is positive, the reaction is not spontaneous and will need external energy. The reaction seems to be spontaneous and will happen on its own if G is negative.
Coupling of reactions-
Equations 1 and 2-
∆G1=-7kcal/mol, ∆G2=-14.8kcal/mol
∆G total= -21.8kcal/mol( favourable reaction)
Equation 2&3-
∆G2=-14.8kcal/mol, ∆G3=+3.3kcal/mol
∆G total=-11.5kcal/mol(favourable)
Equations 3 and 4-
∆G3=+3.3kcal/mol, ∆G4= +7kcal/mol
∆G total=+10.3kcal/mol(unfavorable)
Equations 1 and 4-
∆G1=-7kcal/mol, ∆G4=+7kcal/mol
∆G total= 0(reaction will be in equilibrium)
Equations 1 and 3-
∆G total=(-7+3.3)kcal/mol
=-4.3 kcal/mol(favorable)
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solubility rules and net ionic equations pogil answer key
Answers
The sort of ions in a salt determines the solubility of a compound. While certain salts dissolve in water, some do not. When two soluble salts are combined in water, a third insoluble salt may result from the mixing.
The interactions between two substances that are dissolved in water are depicted using net ionic equations. The outcomes of a twofold displacement (replacement) reaction will be accurately predicted. An ion that is present during a reaction but does not participate in it is referred to as a spectator ion. A net ionic equation only displays the ions that change as a result of a chemical reaction. (Net ionic equations do not include spectator ions.)
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complete question: Using Solubility Rules to predict the formation of a precipitate. Write molecular equations and net ionic equations.
describe it what is the scientefic method??
Answers
Calculate the new pressure of a gas that was originally 225.0 Lat 624.0 mmHg and | 18.0 •C after it has a change in temperature to -6.50 Cand a volume change to 175.0 L.
Answers
In chemistry, pressure refers to the force per unit area exerted by gas molecules on the walls of the container in which they are enclosed. It is often measured in units of pascals, atmospheres, millimeters of mercury, or pounds per square inch. Pressure is an important variable used to describe the behavior of gases and is related to other gas variables, such as volume and temperature, through the ideal gas law.
To solve this problem, we can use the combined gas law equation:
(P1V1)/T1 = (P2V2)/T2
where:
P1 = original pressure = 624.0 mmHg
V1 = original volume = 225.0 L
T1 = original temperature = 18.0°C + 273.15 = 291.15 K
P2 = new pressure (what we want to find)
V2 = new volume = 175.0 L
T2 = new temperature = -6.50°C + 273.15 = 266.65 K
Substituting the values into the equation, we get:
(624.0 mmHg x 225.0 L)/291.15 K = (P2 x 175.0 L)/266.65 K
Simplifying and solving for P2, we get:
P2 = (624.0 mmHg x 225.0 L x 266.65 K)/(291.15 K x 175.0 L)
P2 = 536.8 mmHg
Therefore, the new pressure of the gas is 536.8 mmHg.
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how many liters of 18% alcohol solution should be added to 4 liters of 70% alcohol solution to make a 50% solution?
Answers
The liters of alcohol that we need to make the solution are: x = 2.4L
To make a 50% alcohol solution from 4 liters of 70% alcohol solution and 18% alcohol solution, you will need to add 2.4 liters of 18% alcohol solution. This can be calculated using the following equation:
4L(70%) + xL(18%) = 5L(50%)
Solving for x:
x = (5L(50%) - 4L(70%)) / 0.18
x = 2.4L
The concentration of a solution is a measure of how much of a solute (the substance being dissolved) is dissolved in a solvent (the liquid or gas in which the solute is dissolved). The concentration of a solution is usually expressed in terms of moles or mass per volume, and it is typically expressed as a percentage or a fraction.
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What are the two isomers of ethene
Answers
Answer:
These are called cis-but-2-ene (where the groups are on the same side) or trans-but-2-ene (where they are on opposite sides). Cis-but-2-ene is also known as (Z)-but-2-ene; trans-but-2-ene is also known as (E)-but-2-ene. For an explanation of the two ways of naming these two compounds, follow the link in the box below.
Explanation:
Which of the following is a qualitative physical property?
a. Alcohol is toxic to the liver
b. Aluminum reacts with oxygen to form aluminum oxide
c. Carbon is a solid black powder
d. Hydrogen’s boiling point is -259.9 degrees Celsius
Answers
Answer:
c
Explanation:
the rest are chemical properties
Please help im almost out of time ill mark BRAINLIESTTT
Answers
Answer:
The first one is actually Location D
The second one is Location B
I can't read all of the 3rd one, but if it says winter, its B, if it says summer its D
Explanation:
Plz help me out with this
10 points
Answers
Answer:
you can tell diorite is an intrusive igneous rock because it has a coarse-grained texture
what happens to the oxidation number of one of its elements when a compound is oxidized?
Answers
When a compound is oxidized, one of its elements may experience a change in oxidation number.
Oxidation is the loss of electrons, so if an element loses electrons, its oxidation number increases. For example, in the compound H2O, the oxidation number of oxygen is -2 and the oxidation number of hydrogen is +1. If H2O is oxidized, the oxygen may gain electrons and its oxidation number will decrease.
At the same time, the hydrogen may lose electrons and its oxidation number will increase. This change in oxidation numbers is important in understanding chemical reactions and the transfer of electrons between molecules.
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under which condition the mass and mole fractions for a mixture of two species are identical?
Answers
The mass and mole fractions of a mixture are not always identical, and their values depend on the physical and chemical properties of the substances involved.
The mass fraction refers to the amount of a particular substance in a mixture, expressed as a percentage of the total mass of the mixture. On the other hand, the mole fraction represents the number of moles of a particular substance in a mixture, expressed as a fraction of the total number of moles in the mixture. In order for the mass and mole fractions to be identical, the two species in the mixture must have the same molar mass. This is because the mass fraction depends on the relative mass of the two species, while the mole fraction depends on the number of moles of each species in the mixture. Therefore, if the molar masses of the two species are the same, the mass and mole fractions will be equal. For example, if a mixture contains equal masses of two substances with the same molar mass, the mass fraction of each substance will be 50%, and the mole fraction of each substance will also be 50%. However, if the molar masses of the two substances are different, the mass and mole fractions will be different, even if the mass of each substance in the mixture is the same.
In summary, the mass and mole fractions of a mixture are only identical when the two species in the mixture have the same molar mass.
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4. Describe the arrangement of the electrons on each energy level.
Answers
Answer:
Explanation:
If the energy of an atom is increased, an electron in the atom gets excited. To go back to its ground state, the electron releases energy. The energy of the light released when an electron drops in energy level is the same as the difference in energy between the two levels.
Viewed simply, electrons are arranged in shells around an atom’s nucleus. Electrons closest to the nucleus will have the lowest energy. Electrons further away from the nucleus will have higher energy. An atom’s electron shell can accommodate 2n2 electrons (where n is the shell level).
In a more realistic model, electrons move in atomic orbitals, or subshells. There are four different orbital shapes: s, p, d, and f. Within each shell, the s subshell is at a lower energy than the p. An orbital diagram is used to determine an atom’s electron configuration.
There are guidelines for determining the electron configuration of an atom. An electron will move to the orbital with lowest energy. Each orbital can hold only one electron pair. Electrons will separate as much as possible within a shell.
In an atom, electrons are arranged in shells that surround the nucleus, with each successive shell moving further away from the nucleus.
What is energy level?In physics, an energy level is any discrete value from a set of total energy values for a subatomic particle confined by a force to a limited space or for a system of such particles, such as an atom or a nucleus.
Energy levels are fixed distances from an atom's nucleus where electrons can be found. Electrons are tiny, negatively charged particles that move around an atom's positive nucleus. The steps of a staircase represent energy levels.
Around the nucleus, electrons are arranged in different shells. Each successive shell can only hold so many electrons. First, the innermost shell is filled. This shell can only contain two electrons.
Thus, this way, the electrons are arranged.
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A 2.00 cm3 sample of metal is found to weigh 4.54 g. Calculate the density of the metal in units of g/cm3 and g/mL. Be sure to answer all parts
Answers
Answer:
2.27 g/cm³
Explanation:
The formula for density is D = m/v
Using this, we can calculate the density by inputting
m = 4.54 g
V = 2.00 cm³
D = 4.54/2.00
= 2.27
= 2.27 g/cm³
Therefore, the density of the metal is 2.27 g/cm³
Hope this helps!! :)
Answer:
Density = Mass/Volume
= 4.54g * 2cm^3
= 2.27g/cm3
= 2.27g/ml
mL and Cm^3 are same
For atoms and molecules, it is a good approximation to take the induced dipole moment
p
to be proportional to the electric field
E
:
p
=α
E
where α is the atomic polarizability. a) What are the units of α ? b) Is α typically negative? c) If
E
^
=⟨0,−1,0⟩, find
p
^
. d) From
p
=α
E
we can conclude that ∣
p
∣=α∣
E
∣. However, there is a class of materials for which ∣
p
∣=β∣
E
∣
2
. Such materials are called non-linear materials and have many important technological applications. Find the units of β. 5) An electron is released in an uniform electric field
E
oriented along
E
^
=⟨0,−1,0⟩. a) Find
F
^
, the direction of the electric force on the electron. b) True or False: Since
E
is constant, the electric force is constant, and therefore the electron moves with constant momentum. Assume that the electric force is the only force acting on the electron. 4) For atoms and molecules, it is a good approximation to take the induced dipole moment
p
to be proportional to the electric field
E
:
p
=α
E
where α is the atomic polarizability. a) What are the units of α ? b) Is α typically negative? c) If
E
^
=⟨0,−1,0⟩, find
p
^
. d) From
p
=α
E
we can conclude that ∣
p
∣=α∣
E
∣. However, there is a class of materials for which ∣
p
∣=β∣
E
∣
2
. Such materials are called non-linear materials and have many important technological applications. Find the units of β. 5) An electron is released in an uniform electric field
E
oriented along
E
^
=⟨0,−1,0⟩. a) Find
F
^
, the direction of the electric force on the electron. b) True or False: Since
E
is constant, the electric force is constant, and therefore the electron m
Answers
The units of α are (Cm²)/V or esu/cm² or m³F². Typically α is positive. False. Although E is constant, the acceleration of the electron changes because its mass changes as the electron moves.
As E = ⟨0, -1, 0⟩, p = αE = α⟨0, -1, 0⟩ = ⟨0, -α, 0⟩.
The units of β are C²m²/V² or esu²/cm².5a) The direction of the electric force on the electron F is ⟨0, 1, 0⟩. The force on the electron is F = ma = qE where m and q are the mass and charge of the electron respectively. Since m changes as the electron moves, the force changes as well. Hence the electron does not move with constant momentum.The units of α are (Cm²)/V or esu/cm² or m³F². Typically α is positive. When E = ⟨0, -1, 0⟩,
p = αE
= α⟨0, -1, 0⟩
= ⟨0, -α, 0⟩.
The units of β are C²m²/V² or esu²/cm². The direction of the electric force on the electron F is ⟨0, 1, 0⟩.
False. Although E is constant, the acceleration of the electron changes because its mass changes as the electron moves.
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At each station, work with a partner to use claim, evidence, and reasoning to determine what the fossil type is at that station. Write your responses on the following lines.
Station 1
Station 2
Station 3
Station 4
Station 5
Choose the station you are most confident about and write your CER for it below. Make sure you separate and label your claim, evidence, and reasoning.
Answers
According to the meaning of a fossil, a fossil is a once-living organism's remains that have been kept by nature
What is a simple definition of a fossil?A fossil is any conserved remnants, imprint, or evidence of any once-living object from a previous geological era (from the Classical Latin fossilis, lit. "obtained by excavating"). Examples include exoskeletons, bones, shells, animal or microbe impressions in stone, items kept in amber, hair, petrified wood, and Genetic traces. The sum of fossils is known as the fossil record.
The study of fossils, including their age, creation process, and evolutionary importance, is known as palaeontology. If a specimen is more than 10,000 years old, it is typically regarded as a relic.
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Which rule below describes why water (polar) and oil (nonpolar) will not mix?
A. Intermolecular forces are strong in only polar molecules
B. Like dissolves like
C. Non-like dissolves like
D .Intermolecular forces dissolve all intermolecular forces
Answers
Explanation: Oils and fats not have any polar part and so for them to dissolve in water they would have to break some of water’s hydrogen bonds. Water will not do this so the oil is forced to stay separate from the water.
Which of the following groups consists of salts that all form basic solutions in water?
A. NaNO3, NH4CN, CH3COONa, NH4Cl
B. Na2CO3, NaF, NaOOCH3, NaCn
C. NaHCO3, NaF, NH4Cl, Na2SO3
D. Na2CO3, KCl, NaOOCH3, NH4CL
E. none of the above
Answers
The correct answer is B. Na2CO3, NaF, NaOOCH3, NaCn. These salts all form basic solutions in water.
When these salts dissolve in water, they undergo hydrolysis reactions that produce hydroxide ions (OH-) in the solution. Na2CO3, sodium carbonate, is a basic salt that dissociates to produce carbonate ions (CO3^2-) and hydroxide ions in water. NaF, sodium fluoride, also forms a basic solution due to the presence of fluoride ions (F-) which react with water to produce hydroxide ions.
NaOOCH3, sodium methanoate, and NaCn, sodium cyanide, are both salts of strong bases and weak acids. The hydrolysis of these salts leads to the formation of hydroxide ions, resulting in a basic solution. Therefore, all the salts in option B form basic solutions in water.
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Two Step Mole Conversions Practice
Solve the following two step mole conversion problem: 108 liters of CO at STP is equal to how many grams of CO?
grams CO
Answers
what is chemical energy
Answers
Answer:
chemical energy is the energy of a chemical substance that is stored in the bonds of chemical compounds and is released when they undergo a chemical reaction and transform into another substance
Sodium chloride is NaCl, and zinc chloride ZnCl₂. Why are there more chloride ions in the zinc compound?
Answers
Answer:
Zinc chloride (ZnCl2) has more chloride ions compared to sodium chloride (NaCl) because the zinc ion has a +2 charge, while the sodium ion has a +1 charge.
Chlorine (Cl) is a halogen element with a -1 charge when it gains an electron to form an ion. To form a neutral compound, the number of positive and negative charges must be balanced.
In NaCl, the sodium ion has a +1 charge and can only bond with one negatively charged chloride ion, which has a -1 charge. Therefore, the formula for sodium chloride is NaCl, with one sodium ion and one chloride ion.
In ZnCl2, the zinc ion has a +2 charge, and it requires two negatively charged chloride ions, each with a -1 charge, to form a neutral compound. Therefore, the formula for zinc chloride is ZnCl2, with one zinc ion and two chloride ions.
Thus, the reason why there are more chloride ions in the zinc compound is because the zinc ion has a higher charge compared to the sodium ion, and it requires two chloride ions to balance its charge, whereas sodium ion requires only one chloride ion.
What is the electron configuration for a calcium atom? 01s². 2s 2.2p5.3s 2.3p 5.4s¹ 02s², 2s ², 2p5.3s 2.3p 6,4s1 01s 2. 2s 2. 2p5.3s 2.3p 5, 452 Ots1,2s2, 2p5.3s 2.3p5,4s¹
Answers
Answer:
Ca = 1s²2s²2p⁶3s²3p⁶4s²
Explanation:
Calcium is located in the second column and the 4th row of the periodic table. Thus, there are 2 valence electrons and the highest quantum number is 4. This is represented by 4s². However, all of the previous orbitals and electrons must be listed beforehand, making the entire electron configuration: 1s²2s²2p⁶3s²3p⁶4s².
Can some one please explain?
1). Compared to the chemical oxidation of one atom of carbon, a nuclear fission reaction using one atom of uranium can yield about ____ times the energy output.
A)5
B)50
C)5000
D)5,000,000
2). In a nuclear fusion reaction, the total mass numbers of the reactants may equal the total mass numbers of the products. How can it still be true that mass is lost in nuclear fusion reactions?
A)In a nuclear fusion reaction, the fused nucleus is initially stable but then decays and loses mass.
B)The mass number is just an estimated mass measurement that is not precise.
C)The mass number only represents the total number of nucleons, which may be conserved.
D)In a nuclear fusion reaction, the products have greater kinetic energy than the reactants.
3). Nuclear fission reactions generally require:
A) small atomic nuclei to join together
B) large atomic nuclei to join together
C)small atomic nuclei to split apart
D)large atomic nuclei to split apart
Answers
Answer:
Explanation:
1 ) D)5,000,000
Compared to the chemical oxidation of one atom of carbon, a nuclear fission reaction using one atom of uranium can yield about 5000000____ times the energy output.
Energy in fission reaction comes from the conversion of mass into energy . This process results into creation of enormous amount of energy . But in the oxidation reaction of carbon , bonds are broken and new bonds are formed in which energy is used and released . The net energy released is difference of energy evolved minus energy used up . This difference is not much . Hence in such chemical reaction , energy released is not much .
2 ) B)The mass number is just an estimated mass measurement that is not precise.
In such calculation , the mass number used is just an estimated mass number and not the precise mass of particles involved . Hence , due to lack of precision in calculation , mass number appears to be constant . But actually there is decrease in mass in both fission and fusion reaction .
3 ) D
In fission reaction , large atomic nuclei splits into smaller nuclei to attain stability .
Define diffusion use the words concentration gradient in a sentence.
Answers
Diffusion is the process by which particles (such as molecules, ions, or atoms) move from an area of higher concentration to an area of lower concentration, driven by the concentration gradient.
A concentration gradient refers to the difference in concentration between two regions. In diffusion, particles move randomly and collide with each other, causing them to spread out and distribute themselves evenly.
As particles move from higher concentration to lower concentration, the concentration gradient decreases, resulting in the equalization of concentrations over time. This movement occurs due to the natural tendency of particles to achieve a state of equilibrium, where there is no net movement of particles across the concentration gradient.
Diffusion plays a crucial role in various biological, physical, and chemical processes, such as gas exchange in the lungs, the transport of nutrients across cell membranes, and the mixing of substances in solutions.
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If substances B and C are both in the gas phase and are at the same energy level, which of the two substances will need to have more energy transferred out in order to change to the liquid phase? Substance B or Substance C? Explain your answer below.
For Science
Answers
Answer:
Substances can change phase—often because of a temperature change. At low temperatures, most substances are solid; as the temperature increases, they become liquid; at higher temperatures still, they become gaseous.
The process of a solid becoming a liquid is called melting. (an older term that you may see sometimes is fusion). The opposite process, a liquid becoming a solid, is called solidification. For any pure substance, the temperature at which melting occurs—known as the melting point—is a characteristic of that substance. It requires energy for a solid to melt into a liquid. Every pure substance has a certain amount of energy it needs to change from a solid to a liquid. This amount is called the enthalpy of fusion (or heat of fusion) of the substance, represented as ΔHfus. Some ΔHfus values are listed in Table 10.2 “Enthalpies of Fusion for Various Substances”; it is assumed that these values are for the melting point of the substance. Note that the unit of ΔHfus is kilojoules per mole, so we need to know the quantity of material to know how much energy is involved. The ΔHfus is always tabulated as a positive number. However, it can be used for both the melting and the solidification processes as long as you keep in mind that melting is always endothermic (so ΔH will be positive), while solidification is always exothermic (so ΔH will be negative).
Match each description below with the name of the local wind system being described. warm, dry downslope wind affecting Southern California monsoon wind blowing from a valley up a mountain slope valley breeze a seasonally changing wind Santa Ana wind generated by cold thunderstorm downdrafts haboob
Answers
Answer:
warm, dry downslope wind affecting Southern California - Santa Ana wind
a seasonally changing wind- monsoon
wind blowing from a valley up a mountain slope - valley breeze
generated by cold thunderstorm downdrafts - haboob
Explanation:
The Santa Ana wind occurs in early autumn. They bring hot and dry weather to areas around the South-West coast. They move at high speeds, affecting most parts of Southern California.
Monsoon is a seasonal wind that blows across Southern Asia. It usually blows in summer. It is a a seasonally changing wind.
Valley breeze is an example of convection current in nature. It is produced by rapid warming of the valley floor leading to the expansion of air making it to flow up the slopes. At night, radiation from the surface cools the slopes. This leads to the rise of cooler and denser air which drains into the valley.
Haboob is generated by cold thunderstorm downdrafts. It is associated with large sandstorms and dust storms.
Using the periodic table, predict whether the following chlorides are ionic or covalent: SiCl4, PCl3, CaCl2, CsCl, CuCl2, and CrCl3.
Answers
The following chlorides are ionic or covalent:
SiCl₄ = covalent
PCl₃ = covalent
CaCl₂ = ionic
CsCl = ionic
CuCl₂ = ionic
CrCl₃ = ionic
SiCl₄ is silicon tetrachloride. SiCl₄ is a covalent. The bond between silicon and chlorine is formed by the sharing of electrons.
PCl₃ is Phosphorous trichloride . PCl₃ is covalent. Phosphorus contain 5 electrons in valence shell and requires 3 more to complete octet and chlorine require one electron to complete octet so, the bond formed is by sharing of electron.
CaCl₂ is calcium chloride. CaCl₂ is an ionic. calcium is metal and metal donates electron to chlorine is non metal and non metal accept electrons and become Ca²⁺ and Cl⁻. The bond formed by the transfer of electrons.
CsCl is cesium chloride. CsCl is an ionic. symbol of ions : Cs⁺ and Cl⁻
CuCl₂ is copper(II) chloride. CuCl₂ is ionic formed by the transfer of electrons. symbol of ions : Cu²⁺ and Cl⁻
CrCl₃ is chromium(III) chloride. CrCl₃ is an ionic. symbol of ions : Cr³⁺ and Cl⁻.
Thus, The following chlorides are ionic or covalent:
SiCl₄ = covalent
PCl₃ = covalent
CaCl₂ = ionic
CsCl = ionic
CuCl₂ = ionic
CrCl₃ = ionic
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How many moles of Hydrogen do you need, if you have 7.8 mol of Nitrogen?
N2 + 6H2 → 2NHO
A.1.3 mol H2
B.2.63 mol H2
C.23.17 mol H2
D.46.8 mol H2
Answers
Answer:
D
Explanation:
the ratio of H2 to N2 is 6:1
therefore it means that for 1 mol we have 7,8 so you multiply by 6
Please somone help me with a chemistry question brainliest to whoever answers correctly and 20 points
Answers
Answer:
Polar
Explanation:
Electronegativity Difference:
0.7 Non-Polar Covalent = 0 0 < Polar Covalent < 2 Ionic (Non-Covalent) ≥ 2
which statement correctly describes the relationship between intermolecular forces and the vapor pressure of a substance? multiple choice question. a substance with weak intermolecular forces vaporizes more easily and therefore has a low vapor pressure. a substance with strong intermolecular forces will have a high vapor pressure because of the strong interaction between its molecules. a substance with weaker intermolecular forces vaporizes more easily and has a high vapor pressure. molecules with strong intermolecular forces interact more strongly with the atmosphere, resulting in a high vapor pressure.
Answers
A substance with weak intermolecular forces vaporizes more easily and therefore has a low vapor pressure. (option 1)
The strength of intermolecular forces between molecules determines how tightly they are held together in the liquid state. In general, substances with weaker intermolecular forces require less energy to break the bonds holding them together and vaporize more easily. As a result, they have a higher tendency to escape into the gas phase and have a higher vapor pressure.
On the other hand, substances with stronger intermolecular forces require more energy to overcome the forces holding them together and have a lower tendency to vaporize. Therefore, they have a lower vapor pressure. So, the correct statement is "A substance with weak intermolecular forces vaporizes more easily and therefore has a low vapor pressure."
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Complete Question:
which statement correctly describes the relationship between intermolecular forces and the vapor pressure of a substance? multiple choice question.
a substance with weak intermolecular forces vaporizes more easily and therefore has a low vapor pressure. a substance with strong intermolecular forces will have a high vapor pressure because of the strong interaction between its molecules. a substance with weaker intermolecular forces vaporizes more easily and has a high vapor pressure. molecules with strong intermolecular forces interact more strongly with the atmosphere, resulting in a high vapor pressure.