Chemistry, 26.06.2019 21:00 cloudyyt78
In the reaction h2co3 (aq) + 2nh3 (aq) ? 2nh4+ (aq) + co32– (aq), which substance is reduced? a. h2co3 b. nh3 c. nh4 d. co3 e. none of the above (this is not a redox reaction.)
Answers: 1
Chemistry, 21.06.2019 13:10
How many grams of naoh are needed to make 0.250 liter of a 0.500 m solution of naoh? 0.125 g 5.00 g 2.00 g
Answers: 1
Chemistry, 21.06.2019 19:30
The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?
Answers: 1
Chemistry, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
Chemistry, 22.06.2019 08:00
An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
Answers: 1
In the reaction h2co3 (aq) + 2nh3 (aq) ? 2nh4+ (aq) + co32– (aq), which substance is reduced? a. h...
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