3. Which of the following would be expected to react with active metals to produce gas bubbles?

A. NaOH

B. H2SO4 C. КОН D. Naci E. HC F. B&E G. A&C H. D&E

Which chemical formula represents the hydroxide ion?

What is the mass, in grams, of 1.15 mol of water, H2O?

How many mL of 1.555 M NaOH are required to completely neutralize 3.587 g of H2C2O4 (MM = 90.0) ?

Calculate the average bond order for a p-o bond (such as the one shown in blue) in a phosphate ion. express your answer numerically as a decimal or improper fraction.

Water is different from other substances because: A It is more dense as a solid than a liquid B It is less dense as a solid than liquid C it is more dense as a gas than a liquid D It is less dense as a solid than a gas

Correctly identify the generic formula for a synthesis reaction. a. AB + A+B b. A+B → AB c. CxHx + O2 → CO2 + H2O d. AB + C + AC + B e. AB + CD → AD + CB

Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?

Nonrenewable resources are?

Watch the animation, then check off the samples that will conduct electricity. Check all that apply. View Available Hint (s) Check all that apply. NaCl solution Solid NaCl Solid sugar Sugar solution

Burning wood represents a chemical change. True or False?