A 13 g sample of P4010 contains how many molecules of phosphorus pentaoxide?
Answer in units of molec.

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

If the same amount of cacl2 is added to equal volumes of water and maple syrup, which will have the higher temperature?

What were the success and failures that came to boyle’s excitements?