Which of the following choices would have a negative entropy change? A. H2O(s)−>H2O(l) B. CaCO3(s)−>CaO(s)+CO2(g) C. Fe2O3(s)+3C(s)−>2Fe(s)+3CO(g) D. N2(g)+3H2(g)−>2NH3(g)

Which of the following electromagnetic waves can create ions?

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.