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 …
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 …
Calculate the enthalpy of dissolution in #"kJ/mol"# of #"NaOH"
2017年5月17日 · #2.4 * 10^(-4) color(red)(cancel(color(black)("g"))) * "1 mole NaOH"/(39.997color(red)(cancel(color(black)("g")))) = 6.00 * 10^(-6)# #"moles NaOH"# You …
3O2(g)->2CO2 (g) + 3H2O (l) Delta H -1367kJ H2 (g) - Socratic
2015年3月31日 · ΔH = "-279 kJ" This is a Hess's Law problem. Our target equation is 2C(graphite) + 2H₂(g) + ½O₂(g) → C₂H₅OH(l); ΔH = "?" We have the following information: 1. …
"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 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 …