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Evgen [1.6K]
3 years ago
9

The process in which water changes its potential energy to kinetic energy as it moves from upstream to downstream is called load

affect.
T or F
Chemistry
1 answer:
marusya05 [52]3 years ago
5 0
This would be false.
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An ideal gas originally at 0.85 atm and 66°C was allowed to expand until its final volume, pressure and temperature were 94.0mL,
xeze [42]

Answer: The original volume in liters was 0.0707L

Explanation:

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 0.85 atm

P_2 = final pressure of gas = 456 mm Hg = 0.60 atm   (760mmHg=1atm)

V_1 = initial volume of gas = ?

V_2 = final volume of gas = 94.0 ml

T_1 = initial temperature of gas = 66^oC=273+66=339K

T_2 = final temperature of gas = 113^oF=318K  (32^0F=273K)

Now put all the given values in the above equation, we get:

\frac{0.85\times V_1}{339}=\frac{0.60\times 94.0}{318}

V_1=70.7ml=0.0707L   (1L=1000ml)

Thus the original volume in liters was 0.0707L

8 0
3 years ago
30 points and brainliest answer for the right answers! :(
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There is a limited amount of matter on Earth.
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I'm not sure where the question is here. Yes it is true that there is a limited amount of matter on Earth...
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The presence of which of the following substances can allow a chain reaction to happen?
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Answer:

im not sure either B or D b is the only one with evidence

Explanation:

Most chemical chain reactions have very reactive intermediates called free radicals. The intermediate that maintains the chain reaction is called a chain carrier. These atoms or fragments are usually derived from stable molecules due to photo- or heat-dissociation

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