Given the following reaction:
Zn + 2HCl → ZnCl2 + H2
How many grams of ZnCl2 will be produced from 26.0 g of Zn and 42.0 g of HCI?

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.