Which of these is a period? a. mesozoic b. cenozoic c. triassic d. precambrian

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

What is the percentage composition of carbon in the compound ch4

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