How many moles of tungsten atoms are in 4.816 x 1025 atoms of tungsten?

You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.