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Wittaler [7]
3 years ago
15

3. The law of definite proportions helps us explain why water will always

Chemistry
2 answers:
Kryger [21]3 years ago
4 0

The correct answer is:

C.  consist of a particular proportion of hydrogen and oxygen.


irga5000 [103]3 years ago
3 0
C.) The law of definite proportions helps us explain why water will always "<span>consist of a particular proportion of hydrogen and oxygen"

Hope this helps!</span>
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Which of the following is NOT true about nuclear fusion?
inysia [295]

<u>Answer:</u>

I think it's (C)

The products are suitable for making nuclear weapons.

hope this helps!

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The density of liquid oxygen at its boiling point is 1.14 kg/L , and its heat of vaporization is 213 kJ/kg . How much energy in
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<span>2.28 kg x 213 kJ/kg = 486 kJ = 4.86E+05 J</span>
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Use your understanding of the ideal gas law to
PolarNik [594]

Answer:The ideal gas law is represented mathematically as: PV=nRT. P- pressure, V- volume, n-number of moles of gas, R- ideal gas constant, T- temperature.

Explanation:The ideal gas law is used as a prediction of the behavior of many gases, when subjected to different conditions.

he ideal gas law has so many limitations.

An increase in the pressure or volume, decreases the number of moles and temperature of the gas.

Empirical laws that led to generation of the ideal gas laws, considered two variables and keeping the others constant. This empirical laws include, Boyle's law, Charles's law, Gay Lusaac's law and Avogadro's law.

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4 years ago
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Which statement is true about molarity and percent by mass? (3 points)
lakkis [162]

Answer:  The correct option is, They are different units of concentration.

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3 years ago
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How will you separate a solution of benzene and chloroform?
Troyanec [42]

Answer:

\huge\boxed{\sf Distillation}

Explanation:

  • State of benzene at RTP = liquid
  • State of chloroform at RTP = liquid
  • Boiling point of benzene = 80.1 °C
  • Boiling point of chloroform = 61.2 °C

Since, both of the chemicals are liquids, we can separate it by the process of distillation.

<u>Distillation:</u>

  • is the process in which we separate two liquids on the basis of their difference in boiling points.

<u>How it works:</u>

Since chloroform has less boiling point, it will evaporate and collected first and benzene will follow it after sometime.

- Apparatus of distillation is in the attached file.

\rule[225]{225}{2}

7 0
2 years ago
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