Can someone just please help i've been crying for over an hour i hate this class Gaseous ammonia and oxygen can react as shown by the following balanced equation:
4 NH3(g) + 5O2(g) YIELDS 4 NO(g) + 6 H2O(g)
The instantaneous rate of consumption of ammonia gas is 2.0 x 10^-2 mol/L s at 10s.
determine the instantaneous rate of
a) consumption of oxygen gas at 10 s
b) appearance of water vapour at 10 s

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Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?