Chemistry, 25.09.2019 01:30 melissakm77
You have a combination of gases exiting a flue stack. the composition of the gas is 5 wt% co, 65 wt% co2, 20 wt% h2o, and 10 wt% so2. what is the average molecular weight of the gas? if the percentages were the same, but mol% instead, what is the average molecular weight of the gas? (2) the marianas trench is the deepest place on the planet, with a depth of 6.831 miles. what is the pressure at the bottom of the trench, if you assume that the density of water is 1000 kg/m and does not change, gravity is 9.81 m/s', and the pressure at the surface is 1 atm?
Answers: 3
Chemistry, 21.06.2019 20:30
12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]
Answers: 1
Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
Chemistry, 22.06.2019 11:00
The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?
Answers: 1
Chemistry, 22.06.2019 11:40
Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both
Answers: 2
You have a combination of gases exiting a flue stack. the composition of the gas is 5 wt% co, 65 wt%...
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