How do you convert from #"kJ/g"# to #"kJ/mol"# - Socratic
2018年3月10日 · Use the molar mass of the compound. Your goal here is to convert kilojoules per gram, "kJ g"^(-1), to kilojoules per mole, "kJ mol"^(-1), which is equivalent to saying that you …
Hess' Law - Chemistry - Socratic
Hess' Law describes the conservation of energy. That is, that regardless of the path taken during a chemical reaction or whether the chemical reaction was completed in one step or several, …
Calorimetry - Chemistry - Socratic
The specific heat capacity of liquid water is 4.18 kJ/g C, how would you calculate the quantity of energy required to heat 1.00 g of water from 26.5 C to 83.7 C? A 30-0 g sample of water at …
Convert 87.69 kJ/g into k/mol? + Example - Socratic
2018年3月14日 · CH_4(g) + 2O_2(g) rarr CO_2(g) + 2H_2O(l) +Delta ...This site quotes an enthalpy of combustion for methane of -890*kJ*mol^-1, and when we quote this, we MEAN per …
How do I calculate Energy (kcal/g) if I know the Chemical ... - Socratic
2018年5月7日 · Now of course, since we know the molar masses of products and reactants, I could convert that #kJ*mol^-1# into #kJ*g^-1# of fuel, or if I am a real masochist into …
Given DeltaH_"combustion"^@ for butane is -2657*kJ*mol^-1
2017年3月22日 · "Heat of combustion of butane" -= 45.7xx10^3*J*g^-1 We have data for the stoichiometric equation: C_4H_10(g)+ 13/2O_2(g)rarr 4CO_2 + 5H_2O DeltaH_"rxn"= …
The latent heat of vaporization of water is 2260 J/g. How many ...
2015年12月4日 · "2.26 kJ/g" For a given substance, the latent heat of vaporization tells you how much energy is needed to allow for one mole of that substance to go from liquid to gas at its …
The combustion of 20 g of a fuel in a calorimeter increases the ...
2017年12月17日 · The combustion of 20 g of a fuel in a calorimeter increases the temperature of 200 g of water by 5 °C. What is the enthalpy of combustion per gram of fuel? The specific heat …
"1.659 g" of sample benzoic acid was placed in a bomb ... - Socratic
2015年8月4日 · Basically, the exothermic DeltaH_C is the negatively-signed result of the following: The heat capacity of the calorimeter in "J/K" multiplied by the change in temperature …
The specific heat capacity of liquid water is 4.18 kJ/g C ... - Socratic
2015年10月26日 · "239 J" First thing first, you mistyped the specific heat of water, which should be c_"water" = 4.18"J"/("g" ""^@"C") Now, a substance's specific heat tells you how much heat …