If a gas furnace releases 420 kcal of heat energy, what is the energy in kilojoules? (1 cal = 4.184 j)

As you move from right to left on the periodic table the atomic radius fill in the blank

What metric units would you use to measure the thickness of a key

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