Chemistry, 08.12.2020 18:40, snlawson9053
The work done to expand a gas is 121 J. During the gas expansion, 402 J of heat is absorbed by the gas sample. Calculate the change in internal energy (ΔE) of the gas in kJ.
[Hint: ΔE = q + w. Make sure to check the sign conventions.]
ΔE = kJ.
Answers: 3
Other questions on the subject: Chemistry
Chemistry, 21.06.2019 22:00, NREYESLDS2806
To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold
Answers: 1
Chemistry, 22.06.2019 01:00, AIhunter2884
Agas occupies 475 cm^3 at 313k. find its volume at 367k. you must show all of your work to receive credit. be sure to identify which of the gas laws you will be using
Answers: 2
Chemistry, 22.06.2019 17:50, kaylamount
Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
Answers: 2
Do you know the correct answer?
The work done to expand a gas is 121 J. During the gas expansion, 402 J of heat is absorbed by the g...
Questions in other subjects:
Social Studies, 18.07.2019 17:30
History, 18.07.2019 17:30
