Which of these pairs of elements would most likely form nonpolar covalent bonds?

The reaction q+r2=r2q is found to be first order in r2 and

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

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.