9)
Which equation represents a spontaneous reaction?
A
Ca + Ba?Ca - + Ba
B)<...
Chemistry, 25.03.2020 22:50 imaboss10986
9)
Which equation represents a spontaneous reaction?
A
Ca + Ba?Ca - + Ba
B)
co + Zn2+ Co2+ + 2n
c
Fe + Mgfe?+ Mg
D)
Mn+ Ni2+ Mn2+ + NI
Answers: 3
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Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what
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Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
Answers: 1
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