2hcI + zn= zncl2 +h2 what is the limiting reactant?

what is the excess reactant?

how many liters of hydrogen gas should be produced?

how many moles of zinc chloride should be produced?

how many grams of excess reactant will be left over?
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What neutral atom is isoelectronic to mn+4

Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.

What happens after sound waves create vibrations in the ear?