Physics, 13.12.2019 23:31, davidsouth444
The molecular mass of helium is 4 g/mol, the boltzmann’s constant is 1.38066 × 10−23 j/k, the universal gas constant is 8.31451 j/k · mol, and avogadro’s number is 6.02214 × 1023 1/mol. given: 1 atm = 101300 pa.
1.how many atoms of helium gas are required to fill a balloon to diameter 36 cm at 49◦c and 0.902 atm?
2. what is the average kinetic energy of each helium atom? answer in units of j.3. what is the rms speed of each helium atom? answer in units of m/s.
Answers: 3
Physics, 22.06.2019 04:30, AShevel6767
In a system, when potential energy decreases, then entropy also decreases. true false
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You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
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Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?
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The molecular mass of helium is 4 g/mol, the boltzmann’s constant is 1.38066 × 10−23 j/k, the univer...
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