Joe places two solid objects in contact with each other. whixh property determines the direction of the flow of heat between two objects?

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

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

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?