The mass of the rock is 1220 kg. it had 400 j of potential energy as it sits on the hill. calculate the height

What type of reaction is zn + cucl2 → cu + zncl2?

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83