Chemistry, 27.08.2019 20:40 jcastronakaya
2na(s) + 2h2o(aq) = 2naoh (aq) + h2 (g) is this reaction exothermic or endothermic? i don't understand ,
Answers: 1
Chemistry, 22.06.2019 13:50
What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.
Answers: 2
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
Chemistry, 23.06.2019 00:00
#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.
Answers: 1
Chemistry, 24.06.2019 02:00
How many molecules of co are produced when 2.73 moles of hpo3 react? 4hpo3 + 12c > 2h2 + 12co + p4
Answers: 1
2na(s) + 2h2o(aq) = 2naoh (aq) + h2 (g) is this reaction exothermic or endothermic? i don't underst...
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