a gun was used to commit murder, and the gunpowder from the bullet was found on a suspect. after analysis, it was to contain 1.596 grams of iron oxide. it contain 1.116 grams of iron and .48 grams of oxygen. what is the percentage composition of this compound?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

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.

Which substance has non polar covalent bonds