Chemistry, 03.03.2021 19:20 AgentPangolin
If a sample of helium gas is at 0.5 atm, 25 liters, and 300 K, how many moles of gas do I have? *
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Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?
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Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
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If a sample of helium gas is at 0.5 atm, 25 liters, and 300 K, how many
moles of gas do I have? *...
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