2. Use the picture below to answer the question. ** С D B Bob is riding a roller coaster. At vihat point does the car have the most potential energy? А A 3​

Answer:A

Explanation: I think I am right

Answer:

Hey.

Explanation:

I will paste my explanation in the comments because apparently my answer has inappropriate words

Answer:

Some cells have more mitochondria than others. Your fat cells have many mitochondria because they store a lot of energy. Muscle cells have many mitochondria, which allows them to respond quickly to the need for doing work.

Answer:

Some properties, such as solubility, melting point, boiling point, and density are independent of the amount of substance being examined. These properties are known as intensive properties and are used to identify a substance. The density of a substance is defined as the mass per unit volume.

Explanation:

Answer:

halogens

Explanation:

Answer:

halogens

Explanation:

PLEASE MARK ME AS BRAINLIEST

Answer:

B

Explanation:

Answer:

Explanation:

Answer:

the highest is "A" and the lower is "C"

Answer:

the correct answer is D which is krypton

Answer:

C overgrazing is the answer

Answer:

yeah he got it right

Explanation:

it's C

Answer:

Mitosis consists of four basic phases: prophase, metaphase, anaphase, and telophase. ... These phases occur in strict sequential order, and cytokinesis - the process of dividing the cell contents to make two new cells - starts in anaphase or telophase. Stages of mitosis: prophase, metaphase, anaphase, telophase.

Explanation:

Answer:

the sum of the atomic masses of the elements

Relative and average atomic mass both describe properties of an element related to its different isotopes. Out of these two Relative atomic mas is more accurate. Therefore, the correct option is option D.

Mass defines the quantity of a substance. It is measured in gram or kilogram. Average mass is the mass of atoms of an element that are isotopes. It can be calculated by multiplying mass of a isotope to natural abundance of that isotope.

The relative mass is the mass that is with respect to mass of a matter that is considered as standard. In chemistry relative mass is equal to the mass of one-twelfth the mass of C-12 isotope .

Out of relative and average atomic mass, relative atomic mass is more accurate as it is calculated with respect to a standard quantity. Molar mass is mass of 1 mole of a compound. Molar mass is the  sum of the atomic masses of the elements.

Therefore, the correct option is option D.

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[tex]\rule{100}{3}[/tex]

Multicellular Plants and animals have organs with specific function.

Which structures do eukaryotic cells have for performing functions?

Ans:-

Organelles

[tex]\rule{100}{3}[/tex]

Which process takes place with in mitochondria?

Ans:-

Cellular Respiration

Answer:

The ribosomes on the rough endoplasmic reticulum (ER) use the RNA to create different types of proteins needed by the body. These proteins are then modified, packaged, and transported by the endomembrane system, which includes organelles such as the Golgi apparatus and lysosomes

Answer:

V = 268.8 L

Explanation:

Given data:

Number of moles of nitrogen = 12 mol

Temperature = 273 K

Pressure = 1atm

Volume occupy = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

1 atm × V = 12 mol ×0.0821 atm.L/ mol.K   × 273 K

V = 268.95 atm.L / 1 atm

V = 268.8 L

Answer:

See below!

Explanation:

Gases and liquids take the shape of the container.

A gas fills all available space.

A solid maintains its shape.

A liquid can be poured.

A gas is compressible.

A liquid and solid have fixed volumes.

Identification of the state(s) of matter that each property describes.

                              Solids                  liquids                         Gases

Rigidity                     Highly rigid         Less rigid                      Not rigid

Shape                     Difinite            Acquires shape          Acquires shape

                                                   of the container.          of the container.

Volume                    Difinite               Difinite                         Indifinite

Compressibility          Not                    Slightly                       Highly

                             compressible        compressible          compressible

Fluidity                 Can not flow              Can flow                Can flow

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Answer:

56.67 g of NH₃.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is given below:

N₂ + 3H₂ —> 2NH₃

Next, we shall determine the masses of N₂ and H₂ that reacted and the mass of NH₃ produced from the balanced equation. This is illustrated below:

Molar mass of N₂ = 14 × 2 = 28 g/mol

Mass of N₂ from the balanced equation = 1 × 28 = 28 g

Molar mass of H₂ = 1 × 2 = 2 g/mol

Mass of H₂ from the balanced equation = 3 × 2 = 6 g

Molar mass of NH₃ = 14 + (3×1) = 14 + 3 = 17 g/mol

Mass of NH₃ from the balanced equation = 2 × 17 = 34 g

SUMMARY:

From the balanced equation above,

28 g of N₂ reacted with 6 g of H₂ to produce 34 g of NH₃

Next, we shall determine the limiting reactant. This can be obtained as follow:

From the balanced equation above,

28 g of N₂ reacted with 6 g of H₂.

Therefore, 80 g of N₂ will react with = (80 × 6)/28 = 17.14 g of H₂.

We can see from the calculation made above that a higher mass (i.e 17.14 g) of H₂ than what was given (i.e 10 g) is required to react completely with 80 g of N₂. Thus, H₂ is the limiting reactant and N₂ is the excess reactant.

Finally, we shall determine the maximum mass of ammonia (NH₃) produced from the reaction.

To obtain the maximum mass of NH₃, the limiting reactant will be used because all of it is consumed in the reaction.

The limiting reactant is H₂ and the maximum mass of NH₃ can be obtained as follow:

From the balanced equation above,

6 g of H₂ reacted to produce 34 g of NH₃.

Therefore, 10 g of H₂ will react to produce = (10 × 34)/6 = 56.67 g of NH₃.

Therefore, 56.67 g of NH₃ is produced from the reaction.

Answer:

D

Explanation:

Answer:

Girl it's "D"

Explanation:

Answer:

The relative atomic mass of X is 183.4

Explanation:

The relative atomic mass of an element is the weighted average of the masses of the isotopes using the carbon-12 atom has a mass of exactly 12 units as as a standard.

The relative sizes of the peaks gives a direct measure of the relative abundances of the isotopes. The tallest peak is often given an arbitrary height of 100 and is known as the base peak.

To calculate the relative atomic mass of the element X which has 3 stable isotopes with the relative peak intensities as given below:

79.52 for 180.0 u, 100.0 for 184.0 u, and 82.98 for 186.0 u, the sum of the products of the relative peak intensity of each isotope and their isotopic mass is divided by the sum of the peak intensities.

Relative atomic mass of X = (79.52 × 180) + (100 × 184.0) + (82.98 × 186)/(79.52 + 100 + 82.98)

Relative atomic mass of X = (14313.6 + 18400 + 15434.28)/(262.5)

Relative atomic mass of X = 48147.88/262.5 = 183.4

Therefore, the relative atomic mass of X is 183.4

The average atomic mass of element X has been 183.42 amu.

The average atomic mass of the element has been given with the abundance and the atomic mass of the isotopes present.

The average atomic mass (amu) has been given as:

[tex]amu=\dfrac{(am\;\times\; \rm \% abundance)_1\;+\;(\textit am\;\times\;\% abundance)_2\;+\;(\textit am\;\times\;\% abundance)_3}{\sum abundance}[/tex]

Where, atomic mass and abundance of isotope 1, has been [tex](am\;\times\; \rm \% abundance)_1=(79.52\;\times\;180)\;\rm u[/tex]

The atomic mass and abundance of isotope 2, has been [tex](am\;\times\; \rm \% abundance)_2=(100\;\times\;184)\;\rm u[/tex]

The atomic mass and abundance of isotope 3, has been

[tex](am\;\times\; \rm \% abundance)_3=(82.98\;\times\;186)\;\rm u[/tex]

The sum of abundance, has been, [tex]\sum abundance=79.52\;+\;100\;+\;82.98[/tex]

Substituting the values for calculating amu:

[tex]\\amu=\dfrac{(79.52\;\times\;180)\;+\;(100\;\times\;184)\;+\;(82.98\;\times\;186)\;amu}{79.52\;+\;100\;+\;82.98} \\amu=\dfrac{14,313.6\;+\;18,400\;+\;15,434.28}{262.5} \\amu=183.42[/tex]

The average atomic mass of element X has been 183.42 amu.

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Answer:

true :PP

Explanation:

Answer:

25

Explanation:

Answer: yes

Explanation:

longer wing

Answer:

41.43 mL

Explanation:

First we calculate the mass of NaOH in the original solution:

Then we calculate the volume of the diluted solution, using the grams of NaOH (that remain the same throughout the dilution process):

Answer:

The balanced reactions are:

C₂ + 2B → B₂C₂

Ag₄ + 2SO₂ → 4AgO + S₂

Explanation:

The Law of Conservation of Matter postulates that "the mass is not created or destroyed, only transformed." This means that the reagents interact with each other and form new products with physical and chemical properties different from those of the reagents because the atoms of the substances are ordered differently. But the amount of matter or mass before and after a transformation (chemical reaction) is always the same, that is, the quantities of the masses involved in a given reaction must be constant at all times, not changing in their proportions when the reaction ends. In other words, then the mass before the chemical reaction is equal to the mass after the reaction.

In other words, the law of conservation of matter states that since no atom can be created or destroyed in a chemical reaction, the number of atoms that are present in the reagents has to be equal to the number of atoms present in the products.

Then, you must balance the chemical equation. For that, you must first look at the subscripts next to each atom to find the number of atoms in the equation. If the same atom appears in more than one molecule, you must add its amounts .

The coefficients located in front of each molecule indicate the amount of each molecule for the reaction. This coefficient can be modified to balance the equation, just as you should never alter the subscripts.

By multiplying the coefficient mentioned by the subscript, you get the amount of each element present in the reaction.  

You have:

C₂ + B → B₂C₂

Left side: 2 C and 1 B.

Right side: 2 C and 2 B.

Carbon C is balanced since you have the same amount of the element on each side of the reaction, but boron B is not balanced. So, balancing the reaction:

C₂ + 2B → B₂C₂

Left side: 2 C and 2 B.

Right side: 2 C and 2 B.

Now you have the same amount of each element on each side of the reaction, so the reaction is balanced.

Now you have:

Ag₄ + SO₂ → AgO + S₂

Left side: 4 Ag, 1 S and 2 O.

Right side: 1 Ag, 2 S and 1 O.

Balancing the Ag:

Ag₄ + SO₂ → 4AgO + S₂

Left side: 4 Ag, 1 S and 2 O.

Right side: 4 Ag, 2 S and 4 O.

Balancing the O:

Ag₄ + 2SO₂ → 4AgO + S₂

Left side: 4 Ag, 2 S and 4 O.

Right side: 4 Ag, 2 S and 4 O.

You have the same amount of each element on each side of the reaction, so the reaction is balanced.

Answer:

There is 1.

Explanation:

There is only 1 iodine atom in HI. In addition to this, there is 1 hydrogen atom in HI.

According to the chemical formula, there is one iodine atom in one molecule of hydrogen iodide.

Chemical  formula is a way of representing the number of atoms present in a compound or molecule.It is written with the help of symbols  of elements. It also makes use of brackets and subscripts.

Subscripts are used to denote number of atoms of each element and brackets indicate presence of group of atoms. Chemical formula does not contain words. Chemical formula in the simplest form  is called empirical formula.

It is not the same as structural formula and does not have any information regarding structure.It does not provide any information regarding structure of molecule as obtained in structural formula.

There are four types of chemical formula:

1)empirical formula

2) structural formula

3)condensed formula

4)molecular formula

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Answer:

nitric acid will be if you get you will pixel purpose

Answer: Covalent compounds form when atoms that have similar electronegativity values form covalent chemical bonds. When a covalent compound dissolves in water, it does not dissociate into ions. Because there are no free electrons or ions in the water (electrolytes) dissolved covalent compounds can't conduct electricity.

Explanation:

dude. g o o g l e.