Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Chemistry
when burned, methane gives off heat at a rate of 342 J/g. How many kilojoules of heat will be given off when 4.50 kg burns?
1 answer
342 J/g x 4500 g = ?
You can
ask a new question
or
answer this question
.
Related Questions
How many kilojoules of heat are required to melt a 10.0 g popsicle at 0 degress C? Assume the popsicle has the same molar mass
Lead has a melting point of 327ºC, its specific heat is J/g•deg, and its molar enthalpy of fusion is 4.80 kJ/mol. How much
Methane has a heat of combustion of about
50 kJ/g. About how much heat would be produced if 12 moles of methane were burned?
How much heat, in kilojoules (kJ), is required to raise the temperature of 2.50kg Hg(l) from -20.0 to -6.0C? Assume a density of
Consider the following reaction that occurs when natural gas is burned.
CH4(g) + 2O2(g) �¨ CO2(g) + 2H2O(g) How many moles of
Hydrogen gives off 120. J/g of energy when burned in oxgyen, and methane gives off 50. J/g under the same circumstances. If the
One worker earns $114 in 3 weeks. How much would worker 2 be paid for 4 weeks of work if they earned a proportional pay rate?
(1
Methane gas, CH4, burns in air and releases 192 kcal/mol. Assuming a 90%-efficient
heat transfer, what mass (in kg) of ice at
how many Kj of heat are evolved when 6g of pure carbon is completely burned? how many grams of carbon must be burned to furnish
How much heat is absorbed/released when 20.00 g of NH2 reacts in the presence of excess O2 to produce NO and H2O according to
