Oxygen difluoride is a hazardous, highly explosive gas used as a propellant. A sample of this compound weighing 0.432 grams is analyzed. It contains 128 grams of oxygen. What is the percentage composition of oxygen and fluorine in this compound?

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

Compare and contrast physical changes with chemical changes.

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