Chemistry, 10.07.2019 20:30 bikkiecuanas13
Assume that a lecture hall is 5 m wide, 3 m high and 9 m deep; assume that the molar composition of the air in the room is 80% n2 and 20% o2; assume that the temperature and pressure in the room are such that the molar gas volume, rt/p = 20 l/mol; and assume that van der waals b of o2 is 0.03 l/mol. use this information to estimate to one significant figure the volume in liters of liquid o2 that could be made by condensing to liquid the air in the lecture hall. comment on whether your answer is in line with your explanation.
Answers: 1
Chemistry, 21.06.2019 21:00
Consider the nuclear equation below. 239 > x + 4 he 94 2 what is x? 1.235 cm 96 2.243 u 92 3.235 u 92 4.243 cm 96
Answers: 2
Chemistry, 22.06.2019 06:30
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 3
Chemistry, 22.06.2019 12:40
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
Answers: 2
Assume that a lecture hall is 5 m wide, 3 m high and 9 m deep; assume that the molar composition of...
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