In a container filled with gas at a constant temperature, the volume is 183 ml and the pressure is at 310 mm hg. the desired new volume is 90.0 ml. what is the required new pressure?

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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

How many moles are in 123.0 grams of kclo4?

Fred is studying a substance that is made out of only one element. this means that