Phosphorus and molecular oxygen combine to form diphosphorus pentoxide. Write
a) the word equation
b) the skeletal equation
c) the reactant(s)
d) the product(s)
e) what type of reaction is this?

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.