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The molar heat capacity of a gas at constant pressure is 18.7J mol-1 K-1. What is the heat capacity of 9.4 moles of this gas at constant volume?
an ideal gas is contained in a cylinder with a volume of 5.0 102 ml at a temperature of 30degc and a pressure of 720.
why is the production of sodium azide and nitrogen gas in an airbag so rapid compared to the production of sodium
Regarding the reaction of the products that correspond to syn addition of Br2 to trans cinnamic acid and those that correspond to anti addition, why would you isolate a pair of enantiomers rather than a single enantiomer from this reaction
One hundred grams of water is saturated with NH4Cl at 50 degrees celsius . According to Table G, if the temperature is lowered to 10 degrees celsius, what is the total amount of NH4Cl that will precipitate.
why doen't the mass number decrease? (because there is one less neutron). But the atomic number increases due. What happens to the electrons?
All of the carbon atoms in the ring of carbon atoms of the benzene molecule are double bonded to each other. All of the carbon atoms in the ring of carbon atoms of the benzene molecule are single bonded to each other.
Determine the partial pressure and total pressure of the gases and Find the partial pressure of carbon dioxide in a gas mixture
Calculate the delta ph/delta degrees celcius for the ph 8.0 tris solution. how accurate was the use of the ph strip in determining the ph
The number of vacancies in some hypothetical metal increases by a factor of 6 when the temperature is increased from 1100 K to 1200 K. Calculate the energy (in J/mol) for vacancy formation assuming that the density of the metal remains the same ov..
What volume of H2 (at 25oC and 1.00 atm ) can be produced by reaction of 161 g Fe and 202 g of HCl? (Atomic weights: Fe = 55.85, Cl = 35.45, H = 1.008)
what is the approximate frequency of a photon having an energy 4.85 x 10-19 j? h 6.63 x 10-34
a 4.50 g sample of licl at 25 degrees celsius dissolves in 25.0 ml of water also at 25.0 degrees celsius. the final
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