Chem-S: Unit 11 Test Level Calculate the amount of heat energy required to heat up 23.2 grams of ice from -21 °C to 56°C.
12,030 Joules
3,885.4 Joules
-1,870.4 Joules
1,870.4 Joules

Which of these best describes the scientific process

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.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate