When a 32.3 g sample of NaI (Sodium Iodide) dissolves in 90.0 mL of water in a calorimeter, the temperature rises from 23.5 ℃ to 24.4 ℃. What is Q (water)
A. 0.215 Joules
B.461 Joules
C.-461 Joules
D.4.184 Joules

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount