What is the empirical formula for a compound if a sample contains 3.72g of P and 21.28g of Cl?

-PCl5 - PCl3 - P2Cl10 - P2Cl 5

How does chemical weathering keep the Earth from getting too hot to support life?

Sodium sulfate (Na2So4)

Which equation represents the oxidation half-reaction for this redox reaction? Mg + CuSO4 d MgSOÁ + Cu -Mg - >Mg -Mg - > Mg+O4 -Mg - > Mg+2e- -Mg - > Mg+3e-

Which phrase best describes the main reason that scientists reproduce the results of other scientists?

The hypothetical explosion that created the universe is called the big bash. true or false

Under the Implied Consent law, which of the following is true? A. Your driving privileges will be suspended if you refuse a chemical test to measure your alcohol level. B.

If 0.366 g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained

A substance that does not conduct electricity as a solid but does conduct electricity when melted is most likely classified as (1) an ionic compound (2) a molecular compound (3) a metal (4) a nonmetal

A conical, flat-bottomed flask with a narrow neck that can be used for heating, mixing, watching reactions, and swirling, not for measuring

Answer 1. the law of conservation of mass states that mass is neither created nor destroyed in an ordinary chemical reaction. when an iron nail rusts, it seems to get heavier in mass. does the iron nail follow the law of conservation of mass?