Greg, a scheduler at Mangel-Wurzel Transport, gets a call from a regular customer needing to move 42.1 m of rock and soil, which Greg knows from previous experience has an average density of 1150 kg/m'. Greg has available a dump truck with a capacity of Il m' and a maximum safe load of 6600 kg. Calculate the number of trips the dump truck will have to make to haul the customer's load away.

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.

Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction

What percentage of energy used in the u.s is produced from fossil fuels