Chemistry, 25.04.2020 10:47 lucy8070

Which is the correct chemical equation for the following statement? “Sodium reacts with oxygen in a 2 to 1 ratio to produce sodium oxide.”

4Na + 2O2 → 2Na2O + O2

Na2O → 2 Na + O2

Na2 + O2 → 2 NaO

Na2O + O2 → 2 Na

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 08:00

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

Answers: 2

Answer

Chemistry, 22.06.2019 14:40

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products

Answers: 2

Answer

Chemistry, 23.06.2019 03:30

How many grams of sodium chloride are in 250ml of a 2.5m naci solution

Answers: 1

Answer

Chemistry, 23.06.2019 04:40

Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.

Answers: 1

Answer

You know the right answer?

Which is the correct chemical equation for the following statement? “Sodium reacts with oxygen in a...

Questions