In which reaction does the oxidation number of hydrogen change? a. hcl (aq) + naoh (aq) → nacl (aq) + h2o (l) b.2na (s) + 2h2o (l) → 2naoh (aq) + h2 (g) c. cao (s) + h2o (l) → ca(oh)2 (s) d.2hclo4 (aq) + caco3 (s) → ca(clo4)2 (aq) + h2o (l) + co2 (g) e. so2 (g) + h2o (l) → h2so3 (aq)?
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Chemistry, 21.06.2019 22:50
Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e
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Chemistry, 22.06.2019 18:30
The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
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Chemistry, 22.06.2019 20:10
What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.
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Chemistry, 22.06.2019 21:30
Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.
Answers: 1
In which reaction does the oxidation number of hydrogen change? a. hcl (aq) + naoh (aq) → nacl (aq)...
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