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3 years ago

C₇H₆O₂ + O₂ -->CO₂ +H₂O Find the chemical reaction

Chemistry

2 answers:

lions [1.4K]3 years ago

3 0

Answer:

Air

Explanation:

idrk im just an idiot

hammer [34]3 years ago

3 0

Abstract. Carbonic acid (H2CO3) forms in small amounts when CO2 dissolves in H2O, yet decomposes rapidly under ambient conditions of temperature and pressure. Despite its fleeting existence, H2CO3 plays an important role in the global carbon cycle and in biological carbonate-containing systems.

I’m not sure if this is right

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7. A gas has a volume of 300 mL at 300 mm Hg. What will its volume be if the pressure is changed to 500 mm Hg?

USPshnik [31]

Answer:

The volume is

Explanation:

In order to solve for the volume we use the formula for Boyle's law which is

where

P1 is the initial pressure

V1 is the initial volume

P2 is the final pressure

V2 is the final volume

Since we are finding the final volume we are finding V2

Making V2 the subject we have

From the question

P1 = 300 mmHg

V1 = 300 mL

P2 = 500 mmHg

Substitute the values into the above formula and solve for the final volume obtained

That's

<h3> $V _{2} = \frac{300 \times 300}{500} \\ = \frac{90000}{500} \\ = \frac{900}{5}$ </h3>

We have the final answer as

Hope this helps you

7 0

3 years ago

What does a low number on the pH scale say about a solution? O A. The solution is changing, OB. The solution is an acid. O C. Th

Amanda [17]

Answer: B) The solution is an acid.

Explanation:

5 0

3 years ago

Read 2 more answers

How many atoms of each element are in the chemical formula NH4NO2?

Alika [10]

5 nitrogen, 1 hydrogen, and 1 oxygen I think

3 0

3 years ago

We want to find how much charge is on the electrons in a nickel coin. follow this method. a nickel coin has a mass of about 5 g.

Lady bird [3.3K]

The mass of a nickel coin is 5 g.
1 mol of Ni weighs 58 g. 1 mol contains 6.022 x 10²³ atoms of Ni.
therefore in 58 g there are 6.022 x 10²³ atoms of Ni
then in 5 g the number of Ni atoms are - 6.022 x 10²³ /58 x 5 = 5.2 x 10²² Ni atoms
Therefore number of Ni atoms are 5.2 x 10²² atoms in a nickel coin

3 0

3 years ago

6. Explain a situation in which elastic potential energy could be transformed into kinetic energy.

dsp73

Answer:

When you pull a rubber band there is elastic potential energy stored in the rubber band but once you let go of either side the EPE turns into Kinetic Energy.

6 0

3 years ago