Thorium (atomic mass 230, atomic number 90) decays by releasing 2 alpha particles to form the isotope

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b. zinc7.14,c. copper 8.92,d. lead 11.34

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