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Lesechka [4]
3 years ago
10

Mass of anhydrous CoCO3

Chemistry
1 answer:
Serga [27]3 years ago
6 0
Mass of CoCO3<span> is </span><span>118.9421 g/mol</span>
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What are the standard temperature and pressure conditions enthalpy is usually measured under?
oksian1 [2.3K]

The standard temperature and pressure conditions enthalpy is usually measured under are 1kPa and 273K (option A).

<h3>What is enthalpy?</h3>

Enthalpy in thermodynamics is a measure of the heat content of a chemical or physical system.

Enthalpy is the sum of the internal energy and pressure times volume It can be calculated using the following formula:

H = E + P V

Where;

H = Enthalpy

E = internal energy

P = pressure

V = volume

However, the enthalpy of a substance is usually measured under standard temperature and pressure.

  • The standard temperature is 273 Kelvin or K
  • The standard pressure is 1kPa

Learn more about enthalpy at: brainly.com/question/13996238

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2 years ago
Which of the following measurements contains two significant figures? A. 0.0004 00 L B. 0.0004 04 L C. 0.0000 44 L D. 0.0004 40
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The answer is C. If the Fours were all the way on the left it would make all of the zeros Significant figures.
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Who was the first person to suggest the existence
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democritus is the first person

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Why do scientists study seismographs
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A student lost part of his lab notebook and didn’t know what the original measure should have been. He knows that he calculated
igor_vitrenko [27]
Answer:

21.1cm or 10.1cm

Explanation:

Since the percent error is 35.5% and the experimental measurement was 15.6cm, the two possible values for the actual measurement are 15.6 plus 35.5% of 15.6 or 15.6 minus 35.5% of 15.6.

This is this:

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Or this:

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3 years ago
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