Does nitrogen triiodide dipole?.

Answer:

c. 800 K, 0.1 atm

Explanation:

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The dominant reaction type when mixing a secondary alkyl halide with a strong base is an SN2 reaction. An SN2 reaction occurs when the nucleophile attacks the carbon atom in the carbon-halogen bond. The carbon atom will then form a new bond with the nucleophile and the halogen will be expelled as a leaving group.

The dominant reaction type if you mix a secondary alkyl halide with a strong base would be an E2 reaction.

An E2 reaction, also known as an elimination reaction, occurs when a proton from the β-carbon is removed along with the leaving group, forming a double bond. In the case of a secondary alkyl halide, the leaving group would be the halide ion. The strong base, such as sodium hydroxide (NaOH), would act as a nucleophile and attack the β-carbon, causing the elimination of the halide ion and the formation of the double bond.

The E2 reaction is favored in this case because secondary alkyl halides have a more stable transition state compared to primary or tertiary alkyl halides. Additionally, the strong base increases the likelihood of an E2 reaction occurring.

Overall, the dominant reaction type when mixing a secondary alkyl halide with a strong base is an E2 reaction.

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Answer:

The answer is

Explanation:

The density of a substance can be found by using the formula

\(density = \frac{mass}{volume} \)

From the question

mass of steel beam = 1040 g

volume = 35 cm³

The density of the steel beam is

\(density = \frac{1040}{35} \\ = 29.714285...\)

We have the final answer as

Hope this helps you

Mass =

\(\frac{force}{gravitational \: force}\)

\(mass = \frac{1.50 \times 10^{15}n }{9.8m.s^{2} } \\ = 1.53 \times 10^{14} kg\)

At the new point in the atmosphere, the volume of the balloon increases to 1.95 L due to the decrease in pressure. The decrease in temperature has no effect on the volume of the balloon.

Atmosphere is the gaseous layer surrounding the earth. It is composed of nitrogen (78%), oxygen (21%), argon (0.9%) and other trace gases. The atmosphere also contains water vapor, which varies in concentration from place to place and time to time. The atmosphere plays a vital role in regulating the earth's climate and is essential for life. It also acts as a barrier to cosmic rays, ultraviolet radiation, and other forms of radiation from outer space. The atmosphere consists of five main layers, the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.

We are given the following values:

P₁ = 1.00 atm (initial pressure)

V₁ = 1.00 L (initial volume)

T₁ = 23.0°C + 273.15 = 296.15 K (initial temperature)

P₂ = 220 torr (final pressure)

T₂ = -31°C + 273.15 = 242.15 K (final temperature)

We need to convert the units to be consistent, so we convert the final pressure to atm:

P₂ = 220 torr / 760 torr/atm ≈ 0.289 atm

Now we can substitute the values into the combined gas law equation:

(1.00 atm × 1.00 L) / (296.15 K) = (0.289 atm × V₂) / (242.15 K)

Simplifying the equation and solving for V₂:

V₂ = (1.00 L×  0.289 atm ×  242.15 K) / (296.15 K)

V₂ ≈ 0.237 L

Therefore, the new volume of the balloon at the new altitude is approximately 0.237 L.

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Answer:

Melated quickly into a silver ball

Answer:

C. melated quickly to a silvery ball

Explanation:

Answer:

We're working with Newton's Third Law of Motion which states that for every action there is an equal and opposite reaction. When we push on a wall with a force, say 30N, the wall pushes back with the same force.

Explanation:

The force acting on you from the wall will be equal to 30 N. Therefore, option (C) is correct.

According to Newton's 3rd law of motion, when two objects exert force on each other, and these forces are known as interation force pairs.

Force can be defined as a push or pull acting on an object resulting in an interaction between the objects. Force can be defined as an interaction and is classified as: contact force and non-contact force.

According to Newton’s third law of motion when the first object exerts a force on the second object, the first object will experience a force with the same magnitude in the opposite direction.

Given that if we exert the force of magnitude 30 N on the wall. Then the wall will exert the same magnitude of force but in opposite direction. Therefore, the force exerted by the wall on you will be equal to 30 N.

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The balanced chemical equation for the reaction between ethane (C₂H₆) and molecular oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O) is :-     C₂H₆ + 7O₂ → 2CO₂ + 3H₂O

Steps to write balanced chemical equation of reaction between ethane and molecular oxygen :-

1: In the balanced equation, there are 2 molecules of ethane and 7 molecules of oxygen on the left side of the equation, which means there are 14 atoms of carbon, 18 atoms of hydrogen, and 14 atoms of oxygen in total.

2:On the right side of the equation, there are 2 molecules of carbon dioxide and 3 molecules of water, which means there are 2 atoms of carbon, 6 atoms of hydrogen, and 8 atoms of oxygen in total. The balanced equation must ensure that the number of atoms of each element is the same on both sides of the equation.

3: To balance the equation, the coefficients 2 and 7 are used to balance the number of atoms of carbon and oxygen, respectively. After balancing the equation, there are 4 atoms of carbon, 12 atoms of hydrogen, and 14 atoms of oxygen on both sides of the equation, which means the equation is balanced.

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The molar solubility of BaF₂ in a solution containing 0.0750 M is measured as 3.022 × 10⁻⁴ M.

Option B is correct.

Let the solubility be x moles:

So, moles of Ba²⁺ = x

                moles of F- = 0.075 + 2x

                  x(0.075+2x)² = Ksp = 1.7 × 10⁻⁶

                0.075 + 2x approximately = 0.075

                     x = 3.022 × 10⁻⁴ M

Temperature, pressure, and the solid's polymorphic form all affect solubility. Thermodynamic solvency is the convergence of the solute in immersed arrangement in balance with the most steady gem type of the strong compound.

The salt's concentration in the equation is determined by the solubility value, which indicates how much of the salt dissociates into ions. As a result, we can use the molar ratio of the ions to the salt to determine their concentration.

Incomplete question:

Determine the molar solubility of BaF2 in a solution containing 0.0750 M LiF. K sp (BaF 2) = 1.7 × 10 -6.

A. 8.5 × 10-7 M

B. 3.0 × 10-4 M

C. 0.0750 M

D. 1.2 × 10-2 M

E. 2.3 × 10-5 M

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Answer:

A) The solubility of NH3 increases, and the

solubility of KCl increases.

Explanation:

The solubility of ammonia and potassium chloride increases with decrease in temperature from 40°C to 20°C.

Solubility is defined as the ability of a substance which is basically solute to form a solution with another substance. There is an extent to which a substance is soluble in a particular solvent. This is generally measured as the concentration of a solute present in a saturated solution.

The solubility mainly depends on the composition of solute and solvent ,its pH and presence of other dissolved substance. It is also dependent on temperature and pressure which is maintained.Concept of solubility is not valid for chemical reactions which are irreversible. The dependency of solubility on various factors is due to interactions between the particles, molecule or ions.

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The maximum number of electrons that can occupy 2p orbitals is six.

In atomic theory, each orbital has a maximum capacity for two electrons, one with a spin-up (+1/2) and the other with a spin-down (-1/2). The 2p orbitals consist of three separate orbitals labeled as 2px, 2py, and 2pz. These orbitals are oriented along the x, y, and z axes, respectively.

Since there are three 2p orbitals, the total number of electrons that can occupy them is 2 electrons per orbital x 3 orbitals = 6 electrons. This means that each of the 2p orbitals can accommodate a maximum of two electrons.

The 2p orbitals are higher in energy than the 2s orbital, and they are typically filled after the 2s orbital in the electron configuration of atoms. Understanding the maximum electron capacity of orbitals is important for determining the electronic structure and chemical behavior of elements.

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Ka=5.3*10^(−11) By definition, Ka will be equal to Ka= [H3O+]*[A-]/[HA]Now use the pH of the solution to determine the equilibrium concentration of hydronium

We shall first ascertain the pKa of the solution before calculating the Ka. The pH of the solution and the pKa of the solution are equal at the equivalence point. As a result, we can quickly calculate the value of Ka using a titration curve and the equation Ka = - log pKa.

The ionisation constant (Ka) of formic acid can be calculated by the following formula;-

Ka = {[H+] * [HCOO-]} / [HCOOH]

Therefore you would need to know the value of each of the three concentration values on the right-hand side of the equation.

The equation for the dissociation of formic acid is;-

HCOOH ⇌ H+ + HCOO-

From this equation it can be seen that, at any degree of ionisation, the moles of H+ ions produced is equivalent to the moles of HCOO- ions. Therefore we can say that;-

[H+] = [HCOO-]

So, the equation for Ka in this case becomes;-

Ka = {[H+] * [H+]} / [HCOOH]

Ka = [H+]^2 / [HCOOH]

So, we have simplified our Ka formula down to two values, the H+ ion concentration [H+], and the concentration of undissociated formic acid [HCOOH]. To calculate the Ka for formic acid, we therefore need to either measure, or be given these values.

For example, if we started with a solution of formic acid which was 0.1M, we could measure its pH. Since pH = -log[H+], we could then calculate the H+ ion concentration and solve the Ka equation.

As it turns out the pH of a 0.1M formic acid solution is 2.38. Therefore, for this formic acid solution;-

-log([H+]) = 2.38

log([H+]) = -2.38

[H+] =10^(-2.38)

[H+] = 0.0042 M

Also, since formic is a relatively weak acid we can use the original solution concentration. i.e. [HCOOH] = 0.1M

Now we can solve the Ka equation we simplified above;-

Ka = [H+]^2 / [HCOOH]

Ka = (0.0042 )^2 / 0.1

Ka = 1.764 * 10^-4

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The  physical property of the substance can be measured without changing the chemical composition. The  physical properties are the  correct option is A) Density C) Conductivity properties are

The Physical properties are the properties which can be observed or can be measured without changing their composition of matter. They are helpful to observe and describe matter. The some examples of the physical properties are follows : Texture, colour, odour, the melting point, the  boiling point,  ductility, malleability, the density, solubility, polarity, conductivity, lustre, sonority, etc.

Thus, the density and the conductivity are the examples of the physical properties of the matter.

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Answer:

A derived unit is a unit that results from a mathematical combination of SI base units. We have already discussed volume and energy as two examples of derived units.

Gases, liquids and solids are all made up of atoms, molecules, and ions, but the behaviors of these particles are different in the three phases. Gases are well separated without a regular arrangement. Liquid on the other hand are close together with no regular arrangement. Solid are tightly packed and has a regular pattern.

Matter is anything that has weight and occupies space.

All matter are made up of gas, liquid or solid. Gases are well separated without a regular arrangement. Liquid on the other hand are close together with no regular arrangement but takes the shape of the container. Solid are tightly packed and has a regular pattern.

In conclusion, all matter has mass and occupies space. All physical objects are made of matter.

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Answer: 22.4 L

Explanation:

the constant for one mol of gas at STP is always 22.4 L and this constant is used in equations when converting from L to mol or mol to L

hope this helps :)

Answer:

2 answer

A List of Chemistry Laboratory Apparatus

Safety goggles and safety equipment.

Beakers.

Erlenmeyer flasks, AKA conical flasks.

Florence flasks, AKA boiling flasks.

Test tubes, tongs, and racks.

Watch glasses.

Answer:

C. to the left of the arrow

Explanation:

The reactants (the chemicals that initiate the chemical reaction) are represented on the left, while the products (the substances that result from the reaction) are represented on the right. An arrow sign ("→" commonly read aloud as "yields") separates the two.

Sorry if I'm wrong

Answer: C

Explanation:

C

Answer:

c

Explanation:

all the atoms must be balanced.

The third law of thermodynamics describes the entropy of a: solid.

The third law of thermodynamics states that the entropy of a pure crystalline substance approaches zero as the temperature approaches absolute zero (0 Kelvin or -273.15 degrees Celsius). This law implies that at absolute zero, a perfectly ordered and pure crystalline solid will have zero entropy.

The third law of thermodynamics is not specific to liquids or gases but applies to solids. In a solid, the molecules are highly ordered and have fixed positions in a regular lattice structure. As the temperature decreases towards absolute zero, the thermal motion of the molecules reduces, and the system becomes more ordered, resulting in a decrease in entropy.

In contrast, liquids and gases have higher entropy compared to solids at absolute zero because their molecules have more freedom of movement and are not as tightly arranged. Therefore, the third law of thermodynamics specifically addresses the entropy of solids and does not apply to liquids or gases.

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Explanation:

.200 L  *  7.5 moles / L = 1.5 moles of NaCl

Each mole of NaCl weighs 22.99 + 35.45 =58.44 gm/mole

58.44 gm/mole * 1.5 mole = 87.66 gm

Answer:

\({ \rm{Pb_{3}( PO_{3})_{2} + 3K_{2}CO _{3} →2 K_{3} PO_{3} + 3PbCO_{3}}}\)

Answer:

Contact

Explanation:

As the particles heat up, they move around more, resulting in them hitting the sides of the container more.

Answer:

They typically use solar powered batteries

Explanation: