subject
Chemistry, 27.06.2021 01:00 cyndiann2002

Which equation represents a combustion reaction? 2SO2 + O2 → 2SO3

Pb(NO3)2 + 2HCl → PbCl2 + 2HNO3

2C2H6 + 7O2 → 4CO2 + 6H2O

Ca + 2HCl → CaCl2 + H2

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 18:40
What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water
Answers: 1
question
Chemistry, 23.06.2019 00:30
•hydration •dissociation •dissolving which one goes to which
Answers: 1
question
Chemistry, 23.06.2019 01:00
Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.
Answers: 1
question
Chemistry, 23.06.2019 11:30
Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.
Answers: 1
You know the right answer?
Which equation represents a combustion reaction? 2SO2 + O2 → 2SO3

Pb(NO3)2 + 2HCl → PbC...
Questions
question
Mathematics, 18.10.2019 01:30
Questions on the website: 13722361