Chemistry, 05.01.2020 11:31, saucyboyFredo

The enthalpies of formation of the compounds in the combustion of methane, , are ch4 (g): hf = –74.6 kj/mol; co2 (g): hf = –393.5 kj/mol; and h2 o(g): hf = –241.82 kj/mol. how much heat is released by the combustion of 2 mol of methane? use . 80.3 kj 802.5 kj 1,605.1 kj 6,420.3 kj

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 17:10, lindseyklewis1p56uvi

A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

Answers: 1

continue

Chemistry, 21.06.2019 22:30, mauifrifer3986

Omg imgonnafailnfiedkla use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.

Answers: 1

continue

Chemistry, 22.06.2019 05:00, pandasarecute53

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Answers: 1

continue

Chemistry, 22.06.2019 07:20, camillexv2668

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Answers: 1

continue

Do you know the correct answer?

The enthalpies of formation of the compounds in the combustion of methane, , are ch4 (g): hf = –74....