Chemistry, 05.07.2019 14:20, natalie0908
Water boils at 373 k. the molar enthalpy of vaporization for water is 40.7 kj/mol. if one mole of water is at 373 k when it starts to boil, its temperature when it all has boiled will be a. 273 k c. 373 k b. 343 k d. 413 k
Answers: 1
Chemistry, 22.06.2019 17:00, emma3216
In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added
Answers: 1
Chemistry, 23.06.2019 02:30, kieante01
Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.
Answers: 1
Chemistry, 23.06.2019 06:30, jamarstand
Which of the following steps is not likely to take place during cellular respiration? (5 points) select one: a. oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. c. simple sugar breaks down. d. energy is used up.
Answers: 1
Water boils at 373 k. the molar enthalpy of vaporization for water is 40.7 kj/mol. if one mole of wa...