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Nitella [24]
3 years ago
10

When you boil water on the stove some steam will rise from the pan. Which of these is a true statement right as the water begins

to boil? A. The water and steam are at the same temperature. B. The water and steam contain the same amount of energy. C. The density of the water is the same as the density of the steam. D. The particles in the water are moving at the same speed as the particles in the steam.
Chemistry
2 answers:
Kay [80]3 years ago
4 0

B. The water and steam contain the same amount of energy.

Alinara [238K]3 years ago
4 0
A. the water &steam are at the same temperature. assuming the same system is used to measure both.
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What pressure will be exerted by 0.57 moles of CO2 at a temperature of 25°C and a volume of 500 ML? _____atm
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The pressure exerted by 0.57 moles of CO2 at a temperature of 25°C and a volume of 500 ml is 28 atm.

<u>Explanation:</u>

According to ideal gas law,

                                      PV = nRT

where P represents the pressure of a gas,

          V  represents the volume of a gas,

          n represents the number of moles,

          R represents the gas constant = 0.0821 L atm / mol K.

          T represents the temperature of a gas.

Given V = 500 ml = 0.5 l,           T = 25°C = 298 K,   n = 0.57 mol

                                        PV = nRT

                                           P = nRT / V

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