Which of the following is an example of a decomposition reaction?

Answer:

Sodium fluoride is conceived to be composed of equal numbers of

Na+ and F− ions that are electrostatically bonded together in an extended, non-molecular array. And therefore sodium fluoride is neutral.

Explanation:

Answer:

Explanation:

1. Chemistry

2. Atoms

3. Anode

4. Cathode

Answer:

the color of the litmus paper will turn into blue color because sodium carbonate is basic in nature

The best answer is

A) The atoms in the mineral get rearranged

Explanation:

Answer:

Solvent is 1.00 liter of water.

Answer:

It would be the water i think rlly srry if im wrong thats just what i got

Explanation:

because a solvent would be the one dissolving

Answer:

bri me jose my new account

Explanation:

Answer:

stays the same

Explanation:

because the ocean floor usually doesn't spread instead the ocean floor plunges into deep under water canyons called deep ocean trenches.

Answer:

10. The wavelength of the color red is 650 × 10⁻⁹ m

11. The frequency of the color red is approximately 4.6122 × 10¹⁴ Hertz

12. The corresponding energy  is approximately 3.058 × 10⁻¹⁹ J

Explanation:

10. Given that the wavelength, λ, of the color red is 650 nm, and one nanometer, nm = 10⁻⁹ m, we have;

The wavelength of the color red = 650 × 10⁻⁹ m

11. The frequency, v, of the color red is obtained from the relation, v = c/λ

Where;

c = The speed of light = 299,792,458 m/s

∴ v = 299,792,458/(650 × 10⁻⁹) ≈ 4.6122 × 10¹⁴ Hertz

12. Given that energy emitted by light, E = h × v, where E = 6.63 × 10⁻³⁴ J/s, we have;

E = 6.63 × 10⁻³⁴ J·s × 4.6122 × 10¹⁴ Hz ≈ 3.058 × 10⁻¹⁹ J

Therefore,  the corresponding energy, E ≈ 3.058 × 10⁻¹⁹ J.

Answer: mitosis results in two. meiosis results in four.

Explanation:

Cells divide and reproduce in two ways, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells

Answer:

mg+ and O-

Explanation:

HOPE IT HELPS

The statement that the atoms in the sand were moving more quickly best describes why the temperature of the sand is increased. The relationship between kinetic energy and temperature is explained here.

The temperature of a body is directly proportional to the kinetic energy. The energy acquired by those molecules which are in motion is called the kinetic energy.

The radiation of the sun falls on a number of objects on our surroundings. The objects absorb this energy till afternoon due to which they become hot.

When Maria walked in afternoon, the sand was hot as its particles have gained the kinetic energy due to which they move rapidly from one place to another. So that the sand feels more hot in the afternoon.

Thus the atoms in the sand were moving more quickly best describes the increase in temperature of the sand.

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Answer:

Water

Explanation:

Water is universal solvent it can disolves other things

From the can of soda containing many ingredients, including vanilla, caffeine, sugar, and water, the solvent is water.

A solvent is a substance that dissolves other substances. This solvent is usually in liquid form.

Water is universal solvent, this implies that water dissolves almost every substance.

Thus, from the can of soda containing many ingredients, including vanilla, caffeine, sugar, and water, the solvent is water.

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Answer: I think the answer is The muscle contractions result in physical changes, while the action of the peptidase results in chemical changes.

Explanation: Because the muscles would make the food smaller and the enzymes have a chemical change to it because it changes the molecules in the food.

The chemical processes in food digestion results in the formation of new

substances.

The statement that best describes the changes in food during digestion is;

The churning of the food is a physical process, which results in physical changes while the peptidase results in chemical changes of the food.

Reasons:  

The given processes in the digestion of food are;

Stomach: Food churning is the process by which the small intestine vigorously turns ingested food.

Small intestine: The action of the peptidase enzyme is to increase the rate of the digestion of food.

Therefore;

The churning of the food is a physical process, which results in physical changes while the peptidase results in chemical changes of the food.

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The possible question options obtained from a similar question online are;

Answer:

A.

The circuits are wired in series, and when one appliance turns off, the others can still run.

B.

The circuits are wired in parallel, and when one appliance turns off, the others can still run.

C.

The circuits are wired in series, and when one appliance turns off, the others will switch to parallel circuits for power.

D.

The circuits are wired in parallel, and when one appliance turns off, the others will switch to series circuits for power.

Explanation:

The answer is b i just took it

Answer:

False

Explanation:

Just trust up I just did it

Answer:

b

Explanation:

that's the answerer

Answer:

ow many atoms are there in 1g of argon the Avogadro constant is 6.02 x 10^23 per mole relative atomic mass (Ar): AR=40Explanation:

The number of atoms of argon in 1g of argon is 1.5 × 10²² atoms

From the question,

We are to determine the number of atoms present in 1g of argon.

To determine this,

First we will calculate the number of moles of the 1g of argon

From the formula

[tex]Number\ of\ moles = \frac{Mass}{Atomic\ mass}[/tex]

From the given information

Mass of Argon = 1g

Atomic mass of Argon = 40g/mol

∴ Number of moles of Argon = [tex]\frac{1}{40}[/tex]

Number of mole of Argon = 0.025 mole

Now,

For the number of atoms of argon present

Using the formula

Number of atoms = Number of moles × Avogadro's constant

∴ Number of atoms of argon present = 0.025 × 6.022×10²³

Number of atoms of argon present = 1.5055 × 10²² atoms

Number of atoms of argon present ≅ 1.5 × 10²² atoms

Hence, the number of atoms of argon in 1g of argon is 1.5 × 10²² atoms

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Answer:

Production Of Steel Plastics and textiles

Explanation:

It is many more etc

Answer:

2.70 mol of water.

Explanation:

divide the given mass by the molar mass of water. 48.5 / 18.016g = 2.70 mol water.

Answer:

A

Explanation:

using process of elimination, B would be, and I forget, but I think it's the controlled variable or one type of variable. C would be analysis or just data I guess. and D would be hypothesis

Explanation:

The green color of the Statue of Liberty was due to the outer surface covered with hundreds of thin copper sheets. Copper reacts with the air to form a patina or verdigis

Answer:

C. Diffusion

it is called diffusion

Answer: double displacement

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.  

The balanced chemical equation is:

[tex]3ZnS+2AlP\rightarrow Zn_3P_2+Al_2S_3[/tex]

Thus as ions get exchanged , it is double displacement reaction.

Explanation:

 ionosphere can reflect radio waves directed into the sky back toward the Earth