a chemist has a 75.0 gram sample of magnesium fluoride (MgF2). how many moles of this compound does the chemist have

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Give the orbital configuration of the phosphorus (p) atom.

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign