What is the difference between "mass number" and "atomic mass"? which is found on the periodic table?

Magnesium reacts with carbon dioxide to form magnesium oxide and pure solid carbon. Mg + CO2 - -> MgO + C This equation is not balanced. Why is it important for us to balance the equation for this reaction? A. To show the conservation of mass. B.

What functional group is expected when hex-3-yne is treated with disiamylborane, followed by treatment with basic hydrogen peroxide? A Ketone B Aldehyde C Diol D Ether

Is the oxygen you breathe brand new

A chemical reaction has two elements as reactants. Which type of reaction might occur? synthesis decomposition single replacement double replacement

If an aquatic animal relies on photosynthesis to survive, in which ocean zone would it be most successful? A.) bathypelagic zone B.) epipelagic zone C.) mesopelagic zone D.) abyssopelagic zone

Which of the following sets of empirícal formula, molar mass, and molecular formula is correct?

Hexane and hexene are hydrocarbon compounds from different homologous series. the combustion of these two compounds produce different amount of soot. explain the difference based on the percentage of carbon by mass.

Reactants → products Based on the Law of Conservation of Matter, describe the relationship between the mass of the reactants and the mass of the products.

What is the first step in the scientific method? A. form a hypothesis B. illustrate the process C. observe and ask questions D. draw conclusions

Nitrogen oxide racts with bromine to form nitrosyl bromide. A sample of 0.0655 mol NO with 0.0328 mol Br2 gives an equilibrium mixture containing 0.0389 mol NOBr.