Which of these describes an exothermic reaction?
a. energy is created in the reaction
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Chemistry, 05.10.2019 10:10, highschoolboy
Which of these describes an exothermic reaction?
a. energy is created in the reaction
b. energy is released by the reaction
c. energy is absorbed by the reaction
d. no energy is transferred by the reaction.
Answers: 2
Chemistry, 22.06.2019 01:50, lildestinyquintana
Ase your answer to this question on the information below. hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the united states. a chemical reaction produces much less energy than a nuclear reaction per mole of reactant. the balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen. chemical equation: ch4 + 2o2 â co2 + 2h2o + 1.48 Ă 10â18 jthe nuclear equation below represents one of the many possible reactions for one fissionable nucleus. in this equation, x represents a missing product. nuclear equation: write an isotopic notation for the missing product represented by x in the nuclear equation.
Answers: 1
Chemistry, 22.06.2019 04:30, EinsteinBro
Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.
Answers: 1
Chemistry, 22.06.2019 21:30, djdjdjdbdbjx
What is another way to determine mass times acceleration?
Answers: 1
Chemistry, 23.06.2019 01:20, cedricevans41p4j3kx
Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 Ă 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)
Answers: 1
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