When 1.187 g of a metallic oxide is reduced with excess hydrogen 1.054 g of the metal is produced. what is the metallic oxide?

How many protons and neutrons does Fe2 + have?

Which term is same for one mole of oxygen gas and one mole of water

When 6.0 mol H2O reacts with 5.0 mol Al in the reaction below, 4.0 mol of Al are used up in the reaction. How many moles of Al are left over unreacted? Reaction: 2Al + 3H2O → Al2O3 + 3H2

Chemical energy is energy that is a. added to a reaction in the form of heat. c. caused by the movement of electricity. b. stored in the bonds between atoms of a molecule d. released only when oxygen is present.

A sample of carbon dioxide is contained in a 125.0 mL flask at 0.984 atm and 16.4 °C. How many molecules of gas are in the sample?

Could the two aqueous solutions be identified through a visual inspection? Explain.

The reaction, C2H6) (l) + 3) 2 (g) produces 2CO2 (g) + 3H2) (g), is the combustion of ethanol. What occurs as the reaction proceeds.

The Concentration of C6H12O6 May be represented as?

Question 8 Review Which metal jis most easily oxidized?

If a patient requires 30g/day of some medication and it comes in 500 mg tablets, how many tablets does this patient need in one day?