Which of the following will result in a chemical change?
a. evaporating alcohol into vapor
b. drying wood in a shed
c. melting ice to obtain water
d. burning coal in a furnace

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

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.