Answer:
#102 nobelium
Explanation:
nobel + ium = nobelium
An element named after Alfred Nobel who established Nobel prizes is Nobelium .
What is an element?It is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.
Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.
The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.There are 118 elements which are confirmed to exist naturally or artificially.
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7. What is the volume of the
composite
solid?
4 in.
3 in.
3 in.
Answer:
The volume of Component 1 is 36 cubic inches.
Explanation:
To calculate the volume of a composite solid, we need to determine the individual volumes of the different components and then add them together.
In this case, the composite solid consists of multiple components with the following dimensions:
Component 1:
Length: 4 inches
Width: 3 inches
Height: 3 inches
To find the volume of Component 1, we multiply the length, width, and height together:
Volume of Component 1 = Length x Width x Height = 4 in x 3 in x 3 in = 36 cubic inches
Therefore, the volume of Component 1 is 36 cubic inches.
Please provide the dimensions of the remaining components of the composite solid, and I will calculate the total volume by summing up the individual volumes.
what have you observed when you fill in a basin with water? how do you do it?
Answer:
Cautiously and avoiding filling in the central area so that it does not overflow when filling, since being very beach makes filling difficult.
Explanation:
The basins are shallow, that is why filling is difficult, the filling must be slow, low intensity and at the edges not placing the water filling in the center of the basin.
When you fill a basin with liquid water, you can see that the water takes the shape of the container in which it is contained. This is because in the liquid state, water has molecules farther apart than in the solid state.
You can notice this property when performing an experiment with liquid and solid water.
When filling a glass, liquid water takes on the shape of a glass, and solid water, such as an ice cube, remains the same shape when placed in a glass.
Therefore, when filling a basin with water we perceive a property of the physical state of water, in liquid form. Water is one of the few substances that can be found naturally in liquid, solid and gaseous states.
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Bacteria reproduce by invading a host cell. *
Is it true or false
Answer:
i think its true but nevermind its true✌
Select the name for an amine that has the following structural formula: (CH3)2-CH-CH2-CH2-CH2-CH2-NH2. Expert Answer. Who are the experts?
The name of the amine with the given structural formula is 2-aminoheptane.
The amine in question has a seven-carbon chain, with the nitrogen atom attached to the sixth carbon. The first five carbons in the chain have a methyl group attached to them, and the sixth carbon has the amino (\(-NH_2\)) group attached to it.
Therefore, based on the number of carbons in the chain and the position of the amino group, the name of this amine is 2-aminoheptane.
To name an amine based on its structural formula, you need to identify the longest carbon chain containing the nitrogen atom and any substituents on that chain.
Then, you assign a number to the carbon atom where the nitrogen atom is attached, and include the prefix "amino" to indicate the presence of the \(-NH_2\) group. In this case, the longest carbon chain is a seven-carbon chain, with the nitrogen atom attached to the sixth carbon, resulting in the name 2-aminoheptane.
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How are alleles and traits related?
A. Traits are segments of DNA that code for alleles, which are the
observable characteristics in an organism.
B. Alleles are the inherited characteristics that are seen through
different gene combinations.
C. Traits are characteristics inherited from parents, while alleles are
caused by the environment.
O D. Alleles are distinct versions of genes, and they code for traits,
which are distinct forms of characteristics.
Alleles and traits related as D. Alleles are distinct versions of genes, and they code for traits, which are distinct forms of characteristics.
Alleles and traits are closely related in terms of genetics and inheritance. Alleles are alternative forms of a gene that occupy the same locus on a chromosome. They represent different variations of a specific gene. Traits, on the other hand, are the observable characteristics or features of an organism that are determined by the combination of alleles.
Each individual inherits two alleles for a particular gene, one from each parent. These alleles can be the same (homozygous) or different (heterozygous). The combination of alleles determines the expression of traits in an organism. For example, in the case of eye color, the gene may have alleles for blue and brown eye color. An individual may inherit two blue alleles (homozygous), resulting in the trait of blue eyes, or they may inherit one blue and one brown allele (heterozygous), resulting in the trait of brown eyes. In summary, alleles are distinct versions of genes, and they code for the different variations of traits or characteristics that are observed in organisms. The correct answer is D. Alleles are distinct versions of genes, and they code for traits, which are distinct forms of characteristics.
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What is a proofreading tip you should use to double check that your work is error free
How you can check to make sure your work is error-free is by:
Placing a ruler under each line as you are reading itIf you are able to, try checking your work when you are the most alert so it can be easier to track a mistakeTry to read it out loud if you are comfortable with thatYou can have a friend, family member, or teacher help read it and check over itThink about the common mistakes you makeIf your work is computer written then you can use a spell checker app such as GrammarlyRead over your work at least two or three timesHope this Helps
Explain how plastic can be both beneficial and detrimental at the same time.
Answer:
Detrimental- Toxic chemicals leach out of plastic and are found in the blood and tissue of nearly all of us. Exposure to them is linked to cancers, birth defects, impaired immunity, endocrine disruption and other ailments
Beneficial- Plastic packaging helps protect and preserve goods, while reducing weight in transportation,
KCl + CaNO3 net ionic equation
KCl → k+ + Cl. The ensuing aggregate of ions is identical in each pre-and publish-blend unit of compounds. both comprise Na+, Cl-, okay+, and Br- ions, and no insoluble compounds can result from any mixture of those ions.
The three rules for writing net ionic equations are simply pretty trustworthy. only do not forget to break apart the (aq) substances. best split strong electrolytes.
Delete any ions that seem on both sides of the equation. when an aqueous solution of potassium chloride KCl, while combined with silver nitrate AgNO3 answers insoluble AgCl forms as a white substance. this is an example of a double displacement reaction. due to the fact potassium ion and silver ions displace collectively in the product formation.
The net ionic equation is a chemical equation for a response that lists best those species collaborating inside the reaction. The internet ionic equation is generally utilized in acid-base neutralization reactions, double displacement reactions, and redox reactions.
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Which of the following is an important application of hydrogen bonding?
A. Holding DNA together
B. Mixing of oils
C. Expanding H2 gas
D. Crystallizing Naci
Answer:
Holding of DNA together
Explanation:
When you increase the amount of carbon dioxide in the atmosphere, you also increase the amount of _____ in the ocean.
Answer: Carbonic acid
When you increase the amount of carbon dioxide in the atmosphere, you also increase the amount of carbonic acid in the ocean.
What happens when you increase the amount of carbon dioxide?Carbon dioxide is absorbed from the atmosphere into the ocean through a process called "oceanic uptake," which is facilitated by the exchange of gases at the air-sea interface.
As more carbon dioxide is emitted into the atmosphere, the concentration of carbon dioxide in the ocean increases, leading to a phenomenon called "ocean acidification".
Ocean acidification can have a number of negative impacts on marine organisms, including reduced growth rates and weakened shells or skeletons.
Thus, we can conclude this increases the amount of carbonic acid in ocean.
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In Fig C, which pair of electrons is the lone pair?
H:P:H
Fig C
H
O Top
O Left
Bottom
O Right
Answer:
bottom right top left fig
How does the number of molecules in 1 mol of oxigen compare with the number of molecules in 1 mol of nitrogen?
Answer:
They are the same.
Explanation:
Hello!
In this case, according to the Avogadro's number, we take into account that for molecules such as gaseous oxygen (O₂) and nitrogen (N₂), we realize that 1 mole of these contain 6.022x10²³ moles of molecules; as we are given 1 mol each, we notice they both have 6.022x10²³ molecules, therefore, they number of molecules is the same because they have the same number of moles.
Best regards!
You need to create a plot of y = 2x- 6 identify points on this graph you must solve for the values of when takes on different valuesWhat is y when x = 5
When creating a plot of y= 2x -6. The points whose values must be solved for are; the x- and y-intercept.
The value of y when x= 5 is; y=4
Straight line graphsWhile plotting straight line graphs;
We must identify and solve for the x- and y-intercept as follows;The x-intercept is at point point, y = 0.
The x-intercept is therefore; (3,0)The y-intercept is at point, x=0
The y-intercept is at point, (0,-6)Also, when we substitute, x=5 into the equation of the plot; we have; y= 4.
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In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor. hydrogen+oxygen⟶water
If you burn 46.2g of hydrogen and produce 413g of water, how much oxygen reacted?
mass of oxygen:
Answer:
ok, here is your answer
Explanation:
AI-generated answer
To find the mass of oxygen that reacted, we need to use the Law of Conservation of Mass, which states that in a chemical reaction, the mass of the reactants equals the mass of the products.
First, we need to find the number of moles of hydrogen that reacted:
Molar mass of hydrogen (H₂) = 2.016 g/mol
Number of moles of H₂ = mass/molar mass = 46.2 g/2.016 g/mol = 22.92 mol
Next, we need to use the balanced chemical equation to find the number of moles of water produced:
hydrogen + oxygen → water
2H₂ + O₂ → 2H₂O
From the equation, we can see that for every 2 moles of H₂, 1 mole of O₂ is required to produce 2 moles of H₂O. Therefore, the number of moles of O₂ required to produce 22.92 moles of H₂O is:
Number of moles of O₂ = 1/2 x 22.92 mol = 11.46 mol
Finally, we can find the mass of oxygen that reacted by using its molar mass:
Molar mass of oxygen (O₂) = 32.00 g/mol
Mass of oxygen = number of moles x molar mass = 11.46 mol x 32.00 g/mol = 366.72 g
Therefore, the mass of oxygen that reacted is 366.72 g.
mark me as brainliestThe pressure inside a tire is measured as 28.0 pounds/inches^2. What is its pressure in newtons/centimeters^2
The pressure inside the tire is approximately 1.970796 newtons per square centimeter (N/cm²) when measured in those units.
To convert the pressure from pounds per square inch (psi) to newtons per square centimeter (N/cm²), we need to use the conversion factors between these units.
First, let's convert pounds to newtons:
1 pound = 0.45359237 kilograms
1 kilogram = 9.80665 newtons
Next, let's convert square inches to square centimeters:
1 square inch = 6.4516 square centimeters
Now, we can perform the conversion:
1 psi = (0.45359237 kg) × (9.80665 N/kg) / (6.4516 cm²)
≈ 0.070307 N/cm²
Therefore, the pressure inside the tire of 28.0 psi is approximately equal to 28.0 × 0.070307 N/cm², which is approximately 1.970796 N/cm².
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Calculate the volume in ml of a 0.555 M NaHCO3 solution that contains 14.7 g of NaHCO3. ______ ml
Answer:
315 mL
General Formulas and Concepts:
\(Molarity=\frac{moles \hspace{3} of \hspace{3} solute}{liters \hspace{3} of \hspace{3} solution}\)
Explanation:
Step 1: Define variables
0.555 M NaHCO₃
14.7 g NaHCO₃
Step 2: Define conversions
Molar Mass of Na - 22.99 g/mol
Molar Mass of H - 1.01 g/mol
Molar Mass of C - 12.01 g/mol
Molar Mass of O - 16.00 g/mol
Molar Mass of NaHCO₃ - [22.99 + 1.01 + 12.01 + 3(16.00)] g/mol = 84.01 g/mol
1 L = 1000 mL
Step 3: Find moles of solute
\(14.7 \hspace{3} g \hspace{3} NaHCO_3(\frac{1 \hspace{3} mol \hspace{3} NaHCO_3}{84.01 \hspace{3} g \hspace{3} NaHCO_3} )\) = 0.174979 mol NaHCO₃
Step 4: Find amount of solution
\(0.555 \hspace{3} M \hspace{3} NaHCO_3=\frac{0.174979 \hspace{3} mol \hspace{3} NaHCO_3}{x \hspace{3} L}\)
\(0.555 \hspace{3} M \hspace{3} NaHCO_3(x \hspace{3} L)=0.174979 \hspace{3} mol \hspace{3} NaHCO_3\)
\(x \hspace{3} L=\frac{0.174979 \hspace{3} mol \hspace{3} NaHCO_3}{0.555 \hspace{3} M \hspace{3} NaHCO_3}\)
\(x \hspace{3} L=0.315278\)
Step 5: Convert
\(0.315278 \hspace{3} L(\frac{1000 \hspace{3} mL}{1 \hspace{3} L} )\) = 315.278 mL
Step 6: Simplify
We are given 3 sig figs.
315.278 mL ≈ 315 mL
A patient needs 0.024 g of a sulfa drug. There are 8-mg tablets in stock. How many tablets should be given?
Express your answer as an integr
Answer:
Para resolver este ejercicio debemos crear una relación entre la cantidad que necesita el paciente y la cantidad que tienen la pastilla del almacén. Transformamos 0.024 g, tenemos:
0.024 g = 24 mg
Ahora planteamos la relación, tenemos:
R = 24 mg/8mg
R = 3
Por tanto, se le debe dar al paciente 3 pastillas de 8 miligramos.
Nota: Tener en cuenta la homogeneidad de unidades.
how many atoms of hydrogen are present in a molecule of methane, CH 4
Answer: One methane molecule, CH4, contains one carbon atom and four hydrogen atoms.
Explanation:
Question 6 (1 point)
"When two or more objects collide, there will be the same amount of momentum before the collision as after" is
a) Momentum Rule
b) Law of Collisions
c) Law of Conservation of Momentum
d) The Law of Before and After
Aaleyah learned that astronomers use different properties, such as their
brightness, to classify stars. Which other property can scientists use to
classify stars?
A.The size of the star to categorize them in the main sequence.
The apparent magnitude is used to classify the energy of the star.
The star's rotation to calculate the distance from Earth.
O The color to classify the absolute brightness of the star.
Answer:
i need help with that too
Explanation:
Which of the following is a consequence of humans using fossil fuels?
O A. All of these
B. Rising sea level
C. Destruction of habitats
D. More severe storms
30.The type of chemical reaction represented by the following equation is....HBr + NaOH ---> H2O + NaBrSelect one:a. decomposition. b. double displacement.c. single displacement.d. synthesis.
Answer:
b. Double displacement.
Explanation:
It is a double displacement reaction, because in this case, hydrogen atom in HBr is replaced by a sodium atom (from NaOH), and the sodium atom (in NaOH) is replaced by another H atom from HBr molecule, to form H2O.
39. Analyze What subscripts would you most likely use if
the following substances formed an ionic compound?
(Need help with this last question and it’s the only one I ask help for but teacher doesn’t want to help me)
Based on their valencies, the subscripts of the ionic compounds formed will be:
1 and 12 and 11 and 22 and 2What subscripts would you most likely use if the following substances formed an ionic compound?A. An alkali metal and a halogen.
An alkali metal and a halogen both have valencies of one.
Therefore the subscripts would be 1.
B. An alkali metal and a non-metal from group 16.
An alkali metal has a valency of 1 and a group 16 non-metal has a valency of 2.
By exchange of valencies, the subscript would be 2 and 1.
C. An alkaline earth metal and a halogen.
An alkaline earth metal has a valency of 2 and a halogen has a valency of 1.
By exchange of valencies, the subscripts would be 1 and 2.
D. An alkaline earth metal and a non-metal from group 16.
An alkaline earth metal has a valency of 2 and a non-metal from group 16 has a valency of 2.
By exchange of valencies, the subscripts would be 2 and 2.
Therefore, the subscripts of the ionic compounds formed will be:
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True or false? Increasing the force will increase the moment.
The statement "increasing the force will increase the moment" is true.
This is because the moment is a measure of the turning effect of a force on an object about a pivot point. It is defined as the product of the force and the perpendicular distance between the force and the pivot point. The unit of moment is the newton-meter (Nm) or the joule (J).When a force is applied to an object, it will produce a moment about the pivot point if the force is not acting along the same line as the pivot point. The magnitude of the moment depends on the force applied and the distance of the force from the pivot point. As the force increases, the moment also increases, provided that the distance from the pivot point remains constant. Conversely, if the force remains constant, but the distance from the pivot point increases, the moment also increases. This is because the perpendicular distance is directly proportional to the moment, meaning that a longer distance results in a larger moment.Therefore, it can be concluded that increasing the force applied to an object will increase the moment produced about a pivot point.
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All waves on the electromagnetic spectrum travel...
A
at different speed depending on their energy
B
at the speed of light (3x108 m/s)
C at different speeds depending on their wavelength & frequency
at their own pace, because they can't be bothered
Answer:B
at the speed of light (3x108 m/s)
Explanation: because it use quizlet
Rocks that undergo weathering and emulsification result in which type of rock?
Igneous
Metamorphic
Sedimentary
Answer:
1st one
Explanation:
convert 7.77x10[-4] to the standard notation
As a system becomes less random, its entropy *
decreases
remains the same
increases
Answer:
decreases
Explanation:
The higher the entropy, the more unpredictable and the more random a value is, this is because entropy describes disorder of a system. If things are less random, that means they are predictable, which means they are more ordered.
Iron reacts with oxygen in the air to form rust. Predict the signs of enthalpy, entropy, and Gibbs free energy change for this process (for the system). Explain the sign for each one