Asample of oxygen gas in a closed system has a volume of 200 milliliters at 600 k. if the pressure held constant and the temperature is lowered to 300k, the new volume of the gas will be

Determine the energy released per kilogram of fuel used. given mev per reaction, calculate energy in joules per kilogram of reactants. consider 1 mole of tritium plus 1 mole of deuterium to be a mole of “reactions” (total molar mass = 5 grams).

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.