An unknown alcohol is analyzed by freezing point depression. The unknown is either methanol(CH3OH) ethanol(C2H5OH) or propanol (C3H7OH). A solution of 10.187g of the unknown and 100 mL of water freezes at -4.2C. What is the identity of the alcohol? I just don’t know where to plug in the molar masses into the equation

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

Chlorine and water react to form hydrogen chloride and oxygen, like this: 2cl2 (g) + 2h2o (g) → 4hcl (g) + o2 (g) also, a chemist finds that at a certain temperature the equilibrium mixture of chlorine, water, hydrogen chloride, and oxygen has the following composition: compound concentration at equilibrium cl2 0.55m h2o 0.57m hcl 0.53m o2 0.34m calculate the value of the equilibrium constant kc for this reaction. round your answer to 2 significant digits.

What is the correct lewis dot structure for arsenic?