20. Heat and Temperature
Moles and Avogadro's Number
20. Heat and Temperature
Moles and Avogadro's Number
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- Multiple Choice
If the molar mass of hydrogen is 1.008 g/mol, what is the mass (in grams) of 2 hydrogen atoms?
942views12rank - Multiple ChoiceHow many moles are in a block of lead?360views
- Multiple ChoiceA rigid container has a volume of . It contains a ideal gas at . How many moles are in the container?391views
- Multiple Choice
0.0076 moles of an ideal gas is at 24°C. If it is a sealed container with a volume of 86 cm3, what is the pressure of the gas?
329views - Textbook QuestionHow many atoms are in a 2.0 cm×2.0 cm×2.0 cm cube of aluminum?337views
- Textbook QuestionAn element in its solid phase has mass density 1750 kg/m^3 and number density 4.39×10^28 atoms/m^3. What is the element's atomic mass number?438views
- Textbook Question
(II) How many atoms are there in a 3.4-g copper coin?
192views - Textbook Question
Calculate the number of molecules/m³ in an ideal gas at STP.
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