Chemistry, 15.05.2021 03:20 carlinryan
PP HEL ME WITH THIS QUESTION BRAINLIEST PLUS 20 POINTS
Is the following reaction endothermic or exothermic?
N2 + 2 H2 <-> 2NH3 + heat
Question 2 options:
endothermic
exothermic
Answers: 1
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During which movies do spring tides new moon first quarter waxing gibbous waxing
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6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space
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Chemistry, 22.06.2019 11:30
If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.
Answers: 3
Chemistry, 22.06.2019 22:00
Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope
Answers: 1
PP HEL ME WITH THIS QUESTION BRAINLIEST PLUS 20 POINTS
Is the following reaction endothermic or exo...
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