2 C2H6 +7 02 + 4CO2+ 6 H2O How many moles of ethane (C2H6) will be needed to produce 18 moles of H2O ?

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false