A chemist pumps hydrogen gas (H2) from a tank
into a reaction vessel containing 0.734 mol O2.
The gases react to form water. If all of the available
O, reacts, how many moles of H2 are used?

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

Opposite angles in a parrellelogram are

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?