Chemistry, 15.07.2019 10:30 Andrebutrus
#3.) hydrogen and oxygen react to produce water, according to the reaction 2h2 (g) + o2 (g) → 2h2o (l). if 3 moles of hydrogen react with 2 moles of oxygen and the yield in the reaction is 80%, how many moles of water are obtained? select one: a. 2 moles b. 2.4 moles c. 2.7 moles d. 3 moles#4.) which of the following is true about the total number of reactants and the total number of products in the reaction shown below? c5h12(l) + 8o2(g) → 5co2(g) + 6h2o(g)select one: a. 9 moles of reactants chemically change into 11 moles of product. b. 9 grams of reactants chemically change into 11 grams of product. c. 9 liters of reactants chemically change into 11 liters of product. d. 9 atoms of reactants chemically change into 11 atoms of product.#9.) how many moles of cu are needed to react with 1.23 moles of agno3? cu + 2agno3 → cu(no3)2 + 2agselect one: a. 0.62b. 2.5c. 3.51d. 0.55
Answers: 1
Chemistry, 22.06.2019 09:00
Plz mark brainliest 30 points1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s.2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?
Answers: 1
Chemistry, 22.06.2019 12:30
Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
Answers: 3
#3.) hydrogen and oxygen react to produce water, according to the reaction 2h2 (g) + o2 (g) → 2h2o (...
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