Copper has a density of 8.9 g cm3. if you have 90 g of copper how much volume is your occupying?

What acid and what base would you choose to prepare the salt potassium perchlorate (kclo4) ?

The chemical formula for srbr2

Which reason best explains why metals are malleable?

True or False: a one celled organism is not a living thing

Sun - mercury - Venus - Earth what planet follows earth in this sequence? A) Mars B) Neptune C) Pluto D) Saturn

Which of the following statements is true? Selected Answer: D. At least two of the above statements (A-C) are true. Answers: A. Ions are formed by adding or removing protons or electrons. B. Scientists believe that solids are mostly open space. C.

Does anybody know which element from the periodic table that has 19 electrons and 24 neutrons, for atomic charge.

Given the following reaction 2Al + 3Cl2 - -> 2AlCl3 How many grams of AlCl3 aluminum chloride will be produced from 125 g of Al and 125 g of Cl2?

Potassium chlorate (used in fireworks, flares, and safety matches) forms oxygen and potassium chloride when heated. KClO3 (s) → KCl (s) + O2 (g) [unbalanced] What mass of oxygen gas is formed if 26.4 g of potassium chlorate decomposes completely?

Explain the iodine clock reaction.