165. How many moles of sodium will react with water to
produce 4.0 mol of hydrogen in the following reac-
tion?
2Na(s) + 2H2O(l) + 2NaOH(aq) + H2(g)

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?