in which chemical reaction is the number of atoms in the reactants the same as the number of atoms in the products?

a. Zn+2HCI->H2+ZnCI2
b. CH4+O2->CO2+2H2O
c. CO2+CH2OH+O2
d. Li2CO3->LiO+CO2

41 answers

a. looks good

Im thinking D

What’s the answer? I need help ASAP!!

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1.Zn + 2HCl → H2 + ZnCl2
2. The total number of atoms does not change, so mass is conserved in the reaction
3. 215 amu
4.76 amu
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1.Zn + 2HCl → H2 + ZnCl2
2. The total number of atoms does not change, so mass is conserved in the reaction
3. 215 amu
4.76 amu
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1. B (Zn + 2HCI -> H2 + ZnCI2)

2.A ( The total number of atoms does not change, so mass is conserved in the reaction)

3. B (125 amu)

4. B (76 amu)

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so we're saying that Zn+2HCI->H2+ZnCI2 is the correct answer right?

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How many atoms of carbon are present in the reactants of the following chemical equation

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