Chemistry, 26.01.2021 01:00 greg777

50 POINTS! Please answer these questions.

2 As (s) + 6 NaOH (aq) → 2 Na3AsO3 (s) + 3 H2 (g)

If 34.0g of As react with excess NaOH at STP, what volume of H2 will be produced in liters?

SnO2 (s) + 2 H2 (g) → Sn (s) + 2 H2O (l)

What mass of water is produce when 79.0g of SnO2 are consumed in the reaction above?

C3H8(g) + 5 O2 (g) → 3 CO2 (g)+ 4 H2O (g)

What volume of oxygen is required to completely combust 0.499L of propane (C3H8) at STP?

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 14:00, luisaareli6298

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

Answers: 1

continue

Chemistry, 23.06.2019 02:00, hermesrobles

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.

Answers: 2

continue

Chemistry, 23.06.2019 07:00, miklff

Ajar contains a certain substance. which observation would show that the substance must be either a solid or a liquid?

Answers: 1

continue

Chemistry, 23.06.2019 11:30, junahsisney

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

continue

You know the right answer?

50 POINTS! Please answer these questions.

2 As (s) + 6 NaOH (aq) → 2 Na3AsO3 (s) + 3 H2...