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LuckyWell [14K]
2 years ago
15

Students in Mr. Garcia's class were having a race! No, not running. Instead they rolled tennis balls down a wooden track. The te

nnis balls have the same mass and diameter. Using the data table, decide which ball had the MOST kinetic energy.
Chemistry
1 answer:
Leviafan [203]2 years ago
7 0

Answer:

it's entertaining. Energy though is the answer

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Individual versus nature

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4 0
3 years ago
How many molecules are in 42.3g sample of water
Helga [31]

Answer:

The number of molecules is 1.4140*10^24 molecules

Explanation:

To know the number of molecules, we need to determine how many moles of water we have, water has molar mass of 18.015g/mol

This means that one mole of water molecules has a mass of 18.015g.

42.3g * 1 mole H2O/18.015g

= 2.3480 moles H2O

We are using avogadros number to find the number of molecules of water

2.3480 H2O * 6.022*10^ 23moles/ 1mole of H2O

That's 2.3480 multiplied by 6.022*10^23 divided by 1 mole of H2O

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What is another name for the heat involved in a reaction?
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There is your answer

4 0
3 years ago
Which of the following statements is true?
frez [133]
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What will determine the number of moles of hydronium in an aqueous solution of a strong monoprotic acid?.
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What will determine the number of moles of hydronium in an aqueous solution of a strong monoprotic acid? The amount of acid that was added.

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