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Lerok [7]
3 years ago
10

What is the formula for sulfurous acid?

Chemistry
2 answers:
iren2701 [21]3 years ago
7 0
The formula is H2SO3
almond37 [142]3 years ago
7 0
H2so3 is your answer

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Describe how gasoline, as a fuel, can undergo a chemical change.
kvasek [131]

Answer with Explanation:

A "chemical change" occurs when the structure of the molecules change. If there's no change in structure, it is called a "physical change." This also means that a <em>chemical reaction </em>has to occur for something to be considered a chemical change.

Gasoline when used as a fuel is being transformed into other forms of energy. It undergoes a process called <em>"combustion."</em>

When used as a fuel for cars, <em>the gasoline is being burned to produce </em><u><em>heat energy.</em></u> This energy is then converted into <u><em>mechanical energy</em></u> that allows the car to move. Clearly, the gasoline has undergone a chemical change.

5 0
3 years ago
How many atoms of Kr (Krypton) are in a balloon that contains 2.00 mol of Kr? (4)
Svetllana [295]

Answer:

atoms= 1.204x10^{24}atoms

Explanation:

Hello!

In this case, according to the Avogadro's number, it is possible to compute the atoms of Kr in 2.00 moles as shown below:

atoms=2.00mol*\frac{6.022x10^{23}atoms}{1mol} \\\\atoms= 1.204x10^{24}atoms

Best regards!

4 0
2 years ago
Carbonated drinks in cans have a small amount of space above the liquid level inside the can known as the “headspace.” What woul
andrey2020 [161]
The temperature will stay constant.
3 0
3 years ago
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At a consent tempture the pressure on a 2.5 l ballon is increased from 2.4 atm to 5.8 atm. what is the new volume?
marissa [1.9K]

Answer:

1.034 L

Explanation:

P1 V1 = P2 V2

P1 V1 / P2 = V2

2.4 (2.5) / 5.8 = V2 = 1.034 L

8 0
2 years ago
Vanessa jogged 8 miles in 2 hours. What was her average speed?
rodikova [14]
8miles in 2 hours. Let's find how many she did on average in one hour.

8/2 = 4miles per hour.
4 0
3 years ago
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