Keeping in mind the rules for significant dig - its, calculate the sum of 4.702 g and 0.6122 g

What percentage of carpet is calcium carbonates?

Typically, Adams gain or lose electrons to achieve A. An exchange of energy B. Ionization C. A stable electron configuration D. Vaporization

What happens to chemical bonds as a chemical reaction occurs? A. Bonds in both the reactants and products are formed. B. Bonds in the reactants are formed and bonds in the products are broken. C. Bonds in both the reactants and products are broken.

The following molecules contain polar covalent bonds. Which of them are polar molecules? ___ H2S ___ CCl4 ___ CO2 ___ SO2 ___ CHCl3

Which subatomic particle is negatively charged?1. electron2. neutrons3. positron4. proton

Water drops forming on the outside of a cold glass is an example of which phase change

A balloon containing 0.0400 mol of a gas with a volume of 500 mL was expanded to 1.00 L. Answer the questions and round answers to nearest hundredth place. Which equation should you use to find the amount of gas added?

Can quadrilateral RSTU be a parallelogram

Four moles of hydrogen chloride (HCl) gas react with one mole of oxygen (O2) gas to produce two moles of chlorine gas (Cl2) and two moles of water gas (H2O).

The density of rubbing alcohol is 0.785g/mL at 25 Celsius. Calculate the mass of 15.0 mL of the rubbing alcohol.