In your own words, explain the periodic law.

Write the concentration equilibrium constant expression for this reaction. HCN (aq) + OH^ - (aq) = >+H2O

Which of the following statements is true? A. All of the sun's radiation is reflected back into space by the Earth's atmosphere. B. Air is a poor insulator because the molecules in gas are very far apart. C.

Why is the prefix so important in binary covalent compounds

2A1Cl3 + 3Na CO3→ Al2 (CO3) 3 + 6NaCl Name the first reactant: How many sodium atoms on the reactant side? How many Oxygen atoms on the product side?

Classify each of the following properties as physical or chemical: A. Ice melts in the sun. B. Copper is a shiny metal. C. Paper can burn. D. A silver knife can tarnish. E. A magnet removes iron particles from a mixture.

Explain why quilt is a better insulator than a woolen blanket of the same thickness

Which of these is a derived unit? (There can be more than one) g m3 μm lb N⋅m Ω/m

Write the appropriate formula Zinc sulfite

What is the more reactive metal CA or Ra

What is the significance of a standard system of measurement