Chemistry, 23.06.2020 19:01 dariagodoy8
When 3.0 grams of H2 is reacted with excess C at constant pressure, the reaction forms CH4 and releases 53.3 kJ of heat. C(s) + 2 H2(g) --> CH4(g) What is the enthalpy of the reaction in kJ/mol of CH4? Enter your answer numerically and in terms of kJ/mol.
Answers: 1
Chemistry, 23.06.2019 04:00, izzyp619
What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.
Answers: 3
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
Chemistry, 23.06.2019 21:30, colochaortiz20p7cajw
Match the following items. match the items in the left column to the items in the right column. 1. general or nonspecific observation best fit curve 2. educated guess quantitative 3. when two variables change in the same direction, one remaining larger than the other by the same factor theory 4. "measured" observation control 5. standard, reference data, or experiment qualitative 6. a presently accepted explanation of how something happens law 7. a statement that explains what something does under the same conditions hypothesis 8. a curve drawn to average the data's deviations direct relationship
Answers: 1
Chemistry, 23.06.2019 22:50, joseperez1224
Compared with its corresponding unsaturated fatty acid, a saturated fatty acid has more hydrogen less hydrogen more oxygen less oxygen
Answers: 3
When 3.0 grams of H2 is reacted with excess C at constant pressure, the reaction forms CH4 and relea...
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