Chemistry, 14.01.2020 19:31 sky81428

Calculate the approximate enthalpy change, δhrxn, for the combustion of methane:
ch4+2o2→2h2o+co2

δhrxn from a given table:
ch4 = 1656 kj/mol
o2 = 498 kj/mol
h2o = 928 kj/mol
co2 = 1598 kj/mol
δhrxn = [(1656) + (2498)] - [(2928) + (1598)] = -802 kj/mol ?

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 08:40

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Answers: 2

Answer

Chemistry, 22.06.2019 09:00

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Answers: 1

Answer

Chemistry, 22.06.2019 11:30

What is the main reason why some developing countries fear the increase the free trade policies around the world?

Answers: 2

Answer

Chemistry, 22.06.2019 18:30

Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons

Answers: 3

Answer

You know the right answer?

Calculate the approximate enthalpy change, δhrxn, for the combustion of methane:
ch4+2o2→2h2o...

Questions

Chemistry, 23.06.2019 01:40

Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this re...

Business, 23.06.2019 01:40

Which of the following statements is incorrect? select one: a. personal creditors have first claim on partnership assets. b. partnerships are subject...

Business, 23.06.2019 01:40

During a liquidation, a partner's capital account balance drops below zero. what should happen? select one: a. the deficit balance should be removed f...

Mathematics, 23.06.2019 01:40

Listed below are foot lengths in inches for 11 randomly selected people taken in 1988. find the range, variance, and standard deviation for the given...

Business, 23.06.2019 01:40

6. why the aggregate supply curve slopes upward in the short run in the short run, the quantity of output that firms supply can deviate from the natur...

Mathematics, 23.06.2019 01:40

Use the chart to multiply the binomial by the trinomial. which polynomial is the correct product? 15y3 + 17y2 + 22y + 15 6y3 + 17y2 + 22y + 15 6y3 +...

Mathematics, 23.06.2019 01:40

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the...

English, 23.06.2019 01:40

The theme is a story's general subject matter moral judgment of character general subject matter observation about life point of view on a difficult t...

Mathematics, 23.06.2019 01:40

Choosing the 5 winning lottery numbers when the numbers are chosen at random from 0 to 9...

Biology, 23.06.2019 01:40

Reviewing natural selectionhtquick checkmatch each scenario with the correct component of natural selection. on average, sea turtles lay about 110 egg...

Biology, 23.06.2019 01:40

What is phosphorylation? the conversion of phosphate into another molecule the removal of a phosphate group from a molecule the conversion of a molec...

English, 23.06.2019 01:40

The counselor wants to give a recommendation to them...

Mathematics, 23.06.2019 01:40

Factor 2x2 - 10x - 12. 2(x + 2)(x - 3) 2(x - 1)(x + 6) 2(x - 5)(x + 1)...

History, 23.06.2019 01:40

Who was president during the majority of the reconstruction period (1865–1877)? a. abraham lincoln b. andrew jackson c. ulysses s. grant...

English, 23.06.2019 01:40

The table below shows the predicted number of words janae can type, y, in x minutes. time (x, in minutes) words typed (y) 5 150 10 300 15 450 20 600...

SAT, 23.06.2019 01:40

List three questions that will you determine what you do well...

History, 23.06.2019 01:40

Read the following excerpt and answer the question. "nor haughty in his speech, nor too divine, / but in all teaching prudent and benign." to which me...

History, 23.06.2019 01:40

Which answer best describes the minority opinion?...

Mathematics, 23.06.2019 01:40

Which expressions are equivalent to 2(3/4x+7)-31/2x-5...

Biology, 23.06.2019 01:40

Under capitalism, the allocation of goods and services is determined by consumers. the government. businesses. free market forces....

More questions: Chemistry Another questions

Calculate the approximate enthalpy change, δhrxn, for the combustion of methane: ch4+2o2→2h2o+co2 δhrxn from a given table: ch4 = 1656 kj/mol o2 = 498 kj/mol h2o = 928 kj/mol co2 = 1598 kj/mol δhrxn = [(1656) + (2*498)] - [(2*928) + (1598)] = -802 kj/mol ?

Answers

Another question on Chemistry

Calculate the approximate enthalpy change, δhrxn, for the combustion of methane:
ch4+2o2→2h2o+co2

δhrxn from a given table:
ch4 = 1656 kj/mol
o2 = 498 kj/mol
h2o = 928 kj/mol
co2 = 1598 kj/mol
δhrxn = [(1656) + (2498)] - [(2928) + (1598)] = -802 kj/mol ?