Which compound has the smallest percent composition by mass of chlorine? (1) HCl (3) LiCl (2) KCl (4) NaCl

An unknown substance has a mass of 19.1 g. when the substance absorbs 1.719*102 j of heat, the temperature of the substance is raised from 25.0 ∘c to 45.0 ∘c. what is the most likely identity of the substance?

How many moles of hydrogen are in 50.0 l of hydrogen gas at stp? 1.39 moles 2.23 moles 0.985 moles 2.74 moles 4.56 moles?

Calculate the molarity of 32.1 g of MgS in 841 mL of solution.

How many atoms of hydrogen are there in 3.0kg of ethane

What is an aqueous solution? What is an aqueous solution? An aqueous solution is a homogeneous mixture of a substance with water. An aqueous solution is a dispersoid solution. An aqueous solution is a mixture of a liquid substances.

Why do the two elements silver and iron have different properties?

Lons that are present before and after a neutralization reaction are

In chemistry a formula is used to represent

The theory suggests that the Sun, planets, and other celestial bodies of the solar system came from a cloud of dust and gas.

What is the passing of a wave through an object