What are interesting facts about chemical changes

How many grams of iron are in 7.21 moles of iron

It has been experimentally determined that the rate law for thereaction between mercury (II) chloride and sodium oxalate is third order overall and first order with respect to HgCl2. Write the rate law for this reaction.

An organism that has been thriving, has died. Which of the following is NOT a cause of its demise? Question 6 options: appropriate enviornment water food soil

When you put a teapot on the stove to boil water, which of the three kinds of heat transfer can be observed?

When 2.50g of hydrochloric acid reacts with 1.50g of potassium hydroxide to yiel potassium chloride and water, how many grams of potassium chloride are produced? What is the limiting reactant between hydrochloric acid and potassium hydroxide?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda