One of the results of acid rain is the reaction of sulfuric acid, H2SO4, with calcium carbonate, CaCO3, to produce calcium sulfate, CaSO4, and carbonic acid, H2CO3. The chemical equation for this reaction is: A student demonstrates the reaction by mixing 25.00 g of H2SO4 with 25.00 g of CaCO3.
a. How many moles of each reactant does the student mix?

b. Identify the limiting reactant. Explain how you know this.

c. Calculate the theoretical mass of the excess reactant.

d. Soon after mixing the reactants, the student determines that 33.17 g of CaSO4 was produced by the reaction. Is this a reasonable result? Show calculations to defend your answer.

If it could be explained step by step that would be so helpful...

the movement of aircraft through clouds can even cause lightning strikes. a single lightning event is a "flash", which is a complex, multi-stage explosively ejected.

explanation:

and the person below goggled it.

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it can be observed without changing the identity of the object.

it depends on what substance you're talking about as well as many other factors. in quantum mechanics, the observation of particles affects the observers ability to measure certain properties. for example: you can know the velocity of a particle, but you can't know it's position; or you can know it's position, but not it's velocity. it's like trying to find out where a grain of sand is by throwing other grains of sand at it. once you find out where it is, it's been moved. it's also like trying to find an answer to the question of whether or not a tree falling in a forest makes a sound if nobody is there to hear it. paradoxically, the only way to find out is to be there and hear it.