Elements can be separated into simpler substance by chemical reactions.

a. True

b. False

Nitrogen gas can be prepared by passing ammonia over solid copper (II) oxide according to the equation2 NH3 + 3 CuO (s) - -> N2 (g) + 3 Cu (s) + 3 H2O (g) Suppose 18.1 grams of ammonia is reacted with 90.4 grams CuO.

What will replace aluminum in a single replacement reaction A. Mn B. Zn C. K D. Ag

I don't know how to find the grams

What is the percent yield of HCl if 42.0 g of HCl are produced from the reaction of 62.0 g of PCl3

The formula of an iodate of lanthanum is la (io3) 3. what is the formula of the sulfate of lanthanum with the same oxidation number

An unknown gas has a pressure of. 0240 atm. what is the pressure in torr?

Explain why a wooden spoon is a better choice than a metal spoon for stirring a boiling pot of soup

Is MgCO3 a correct chemical formula

Water is an exaple of a mixture because it is made up of hydrogen and oxygen atoms bonded together true or false

Chlorine plus lithium bromide