Chemistry, 20.03.2021 22:30 speris1443
How many liters of propane gas at STP, C3H8 (molar mass 44.0 g/mol) will undergo complete combustion with 12.8 g O2 (molar mass 32.0 g/mol)? C3H8 + 5 O2 -> 3 CO2 + 4 H2O
Answers: 3
Chemistry, 21.06.2019 18:00
Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water
Answers: 2
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
Answers: 1
Chemistry, 22.06.2019 13:30
Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
Answers: 1
How many liters of propane gas at STP, C3H8 (molar mass 44.0 g/mol) will undergo complete combustion...
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