1. Calculate the specific heat of a piece of wood if 1500.0 g of the wood absorbs 67,500 joules of heat, and its temperature changes from 32.0 oC to 57.0 oC.
2. What will be the final temperature of a 50.0 g piece of glass if it absorbs 5275 joules of heat and its specific heat capacity is 0.50 J/g oC? The initial temperature of the glass is 20.0 oC.

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax