Chemistry, 11.05.2021 02:00, juanitarodrigue

In the calculation above, we used the fuel value of graphite as a model for coal. Graphite is 100% carbon. However, the fuel value of coal varies from 15 kJ/gram to 32 kJ/gram. (2pts) Why is the fuel value of coal different from carbon (graphite)?
Why does the fuel value of coal have a range?

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 04:40, deedee363

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Answers: 3

continue

Chemistry, 22.06.2019 12:00, sophiaa23

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

Answers: 2

continue

Chemistry, 22.06.2019 23:00, lulprettyb

What is the most common reason for matter changing its state?

Answers: 1

continue

Chemistry, 23.06.2019 02:00, Robloxdemonduckyt

As light moves from one material into the next, which of the following affects how much the light waves will refract, or bend? angle at which the ray strikes the medium color of the material density of the material temperature of the light wave

Answers: 2

continue

Do you know the correct answer?

In the calculation above, we used the fuel value of graphite as a model for coal. Graphite is 100% c...