Chemistry, 28.12.2019 00:31 quincyjosiah07
How much heat is absorbed/released when 20.00 g of nh3(g) reacts in the presence of excess o2 (g) to produce no (g) and h2o (l) according to the following chemical equation? 4nh3 (g) + 5o2 (g) > 4no (g) +6h2o (l) Ξ΄ h: +1168 kja. 342.9 kj of heat are absorbed. b. 342.9 kj of heat are released. c. 1372 kj of heat are absorbed. d. 1372 kj of heat are released.
Answers: 3
Chemistry, 21.06.2019 23:40
If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?
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Chemistry, 22.06.2019 14:50
Consider the following multistep reaction: a bβab(slow) a abβa2b(fast)βββββββββββββββββ 2a bβa2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2
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Chemistry, 22.06.2019 23:00
In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
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Chemistry, 23.06.2019 03:00
What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?
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How much heat is absorbed/released when 20.00 g of nh3(g) reacts in the presence of excess o2 (g) to...
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