How many grams of acetylene (C2H2) are produced by adding
water to 5.00 grams CaC2?

CaC2 + 2 H20 - C2H2 + Ca(OH)2

Which of the following best defines homeostasis? forming identical cells breaking down glucose maintaining stable internal conditions increasing an organism's temperature

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?