How many elements have been discovered?

A. 110

B. less than 110

C. more than 110

Inert gases are highly electronegative true or false

A mixture of 0.600 mol of bromine and 1.600 mol of iodine is placed into a rigid 1.000-L container at 350°C. Br2 (g) + I2 (g) 2IBr (g) When the mixture has come to equilibrium, the concentration of iodine monobromide is 1.190 M.

From one cell your get two identical cells called: (plural)

What is Keq for the reaction N2 + 3H2 2NH3 if the equilibrium concentrations are [NH3] =.250 M, [N2] =.590 M, and [H2] =.750 M?

All the chemical ingredients to make slime have a mass of 48 grams after we mix all the ingredients together how much mass will the slime have A. 38 grams B. 48 grams C. 58 grams

Which best describes the definition of Lewis acids and bases? a general definition based on electron structure a general definition based on hydrogen ion concentration a specific definition based on a compound's ability to accept protons a specific

Question 22 Which change would cause the volume of a balloon to increase? A increasing the temperature of the balloon B increasing the atmospheric pressure C removing gas from the balloon D placing the balloon under water

Wilma dissolves 10,00 grams of glucose with water and the final volume of solute and solvent is 66.67 mL. What is the concentration of glucose in her solution? a. 10% (m/v) O b. 15.% (mv) O c. 25 % (m/v) d. 30.% (m/v) e. None of the above.

Explain the relationship between the observations and the hypothesis

Be sure to answer all parts. Be sure to report your answer to the correct number of significant figures. Determine Kb of the weak base B whose conjugate acid HB + has Ka 6.6 * 10-4.