2ZnS (s) + 302 (g) --> 2ZnO (s) + 2 SO2 (g) If 1.36 mol ZnS is heated in the presence of 3.29 mol of O2 gas, how many moles of
ZnO are produced?
*Round your answer to 2 decimal places. Do NOT put units on your answer.

The answer for #3 is c but i don't know why

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

What type of context clue you understand the meaning of  quandary?