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If M is the molar mass, R the gas constant, T the temperature, and P its pressure, which of the following expressions represents the density of a gas?
A. RT/PMB. RPM/TC. RTM/PD. PM/RTE. RM/PT
The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) -> 8CO2(g) + 10H2O(l) ->H°rxn = -5,314 kJ/mol What is the heat of combustion per gram of butane
Predict the order of melting point, from low to high, for the following compounds, based on intermolecular forces: CaF2 H2O H2S CH2Cl2 N2
How many grams of Cu metal (63.55 g/mol) will be plated out of a Cu(NO3)2 solution by passing a current of 3.00 amperes for 11 minutes?
From these data, and assuming that air obeys Charles's law, determine a value for the absolute zero of temperature in degrees Celsius.
The reaction that produces the water gas mixture is as follows: C(s) + H2O(g) ? CO(g) + H2(g) This reaction requires an input of 131 kJ of heat for every mole of carbon that reacts. Is this reaction endothermic or exothermic
The gas was obtained by boiling liquid nitrogen stored in a 180.0 L tank. What volume of N2 is released at 0.955 atm of pressure and 25 degree celsius from a tank full of liquid N2 (d=0.808 g.mL)?
What is the purpose of adding sodium sulfate to the organic layer after all of the extractions are complete?
a gas sample containing 1.65 mol at 25degc exerts a pressure of 413 torr. some gas is added to the same container and
If C 6 H 12 O 6 yields C 2 H 5 OH+CO 2 then balance this equation and determine what the percent yield for the reaction is if 575.0 grams of C 6 H 12 O 6 glucose yields 126.4mL of C 2 H 5 OH ethanol?
The temperature of the calorimeter plus contents increased from 21.12°C to 29.85°C. What is the heat of combustion per gram of octane? What is the heat of combustion per mole of octane?
Consider an ideal gas which is allowed to expand slowly under constant temperature conditions. Derive an expression for the heat change for such a process, explaining any key stages in the derivation.
A student found that the mass of an empty specific gravity bottle was 21.431 g. Metal pieces were added to the dry bottle. The specific gravity bottle and the metal pieces together
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