1) Delta G for following reaction, using Delta H and S values: MnO2(s)+2CO(g) --> Mn(s)+2CO2(g) = kJ?

2) Delta G for following reaction, using Delta H and S values:

NH4Cl (s) --> NH3 (g) + HCl (g) = kJ

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

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.

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?