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zaharov [31]
3 years ago
12

What is one benefit of using a chemical formula?

Chemistry
1 answer:
MrRa [10]3 years ago
8 0
The following are the benefits of chemical formula:
1. we can know the images of the compound. 
2. adjusted condition can be known. 
3. heading of the response. 
4. we can know the no. of reactants and no. of items associated with the compound response. 
5. no. of iotas display in a compound can be known.
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Identify what type of reaction is below. Also determine what coefficients that would balance the chemical equation.
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3 years ago
In boyle's law, the initial volume of a gas is 120 ml at 256 kpa. what will be the volume if the pressure increases to 385 kpa?
Vinil7 [7]
<h3>Answer:</h3>

79.8 ml

<h3>Explanation:</h3>

Boyle's law describes the relationship between pressure and volume when the temperature is constant. For this question, I will be rounding to significant figures.

Boyle's Formula

When describing the relationship between pressure and volume, the formula \displaystyle P_{1} V_{1}= P_{2} V_{2}. In this formula, P_{1}V_{1} is the initial pressure and volume. On the other side, P_{2} V_{2} is final pressure and volume. So, to find a missing variable you must plug in the values you are given.

Final Volume

Remember when solving this question to remain constant in your units. When we plug in the values we know we are given:

  • 256kPa*120mL=385kPa*V_{2} mL

Now, we can multiply the left side

  • 30720kPa*mL=385kPa*V_{2} mL

Finally, we can divide by 385 to isolate the final volume

  • 79.8mL=V_{2}

This gives the final volume of 79.8mL.

7 0
2 years ago
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