Chemistry, 15.10.2019 09:30 Angela1998

Me asap! giving out a nice amount of points! correct answer gets brainliest! : d which would be a good example to demonstrate the principle of conservation of energy?
a) a stone is crushed
b) light bends around a sharp edge
c) a pendulum swings back and forth
d) a balloon inflates when air is blown into it

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 18:10, pearfam98

Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)

Answers: 1

continue

Chemistry, 23.06.2019 01:00, msjoey45

Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x

Answers: 1

continue

Chemistry, 23.06.2019 04:31, nida7864

Pls i will do pls imma diewhat forms white light? (4 points)a. combination of all wavelengths of ultraviolet light b. combination of all wavelengths of visible lightc. absorption of electromagnetic waves d. absorption of infrared rays

Answers: 2

continue

Chemistry, 23.06.2019 11:00, landon6663

Which of the following reactions represents an exothermic reaction? nh3(g) + 12.0 kcal ½n2(g) + 3/2 h2(g) ch4 + 2o2 co2 + 2h2o + 212,800 cal c + 2s cs2, h = 27,550 cal c(graphite) c(diamond), h = 0.45 kcal 2h2o 2h2 + o2, h = +58 kcal

Answers: 1

continue

You know the right answer?

Me asap! giving out a nice amount of points! correct answer gets brainliest! : d which would be a...