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Romashka-Z-Leto [24]
3 years ago
12

Between 7.35 and 7.45, Which of the following best describes human blood

Chemistry
1 answer:
Flauer [41]3 years ago
6 0

Answer:

human blood is slightly basic

Explanation:

If the pH of a solution is less than 7, it is acidic. If the pH is 7, the solution is neutral and if the pH is greater than 7,the solution is basic. So human blood is slightly basic.

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How many moles of N2 are need to fill a 35 L tank at standard temperature and pressure?
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1.56 moles of N2 are needed to fill a 35 L tank at standard temperature and pressure. Details about moles can be found below.

<h3>How to calculate number of moles?</h3>

The number of moles of a substance can be calculated using the following formula:

PV = nRT

Where;

  • P = pressure
  • V = volume
  • n = number of moles
  • R = gas law constant
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At STP;

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n = 35/22.41

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Therefore, 1.56 moles of N2 are needed to fill a 35 L tank at standard temperature and pressure.

Learn more about number of moles at: brainly.com/question/14919968

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2 years ago
What is the difference between Dalton’s and modern atomic theory
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