Which of the following best defines conduction? a. the movement of energy by waves that travel through space b. the movement of a hot liquid of gas from one place to another, carrying energy with it c. the movement of energy from one substance to another by direct contact

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

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?