How much potassium chloride, kcl, is produced during the decomposition of 100.0 grams of potassium chlorate, kclo3?

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

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

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.