Determine the Ka for CH3NH3 + at 25*C. The Kb for CH3NH2 is 4.4 x 10-4.

Which of the following characteristics is not a property of an acid? a. has a sour taste b. accepts an H + ion c. may cause damage to buildings, statues, and rivers d. increases the concentration of hydronium ions in an aqueous solution

A science class did an experiment in which two substances were mixed. After 15 minutes, everything looks the same, but the students noticed an odor coming from the experiment. What does this likely indicate? a.) a liquid was formed. b.

What is three remaining elements in caffeine

Why do you think drips and runs are avoided during powder coating?

Which of the following can produce deadly gases when mixed together? a. alcohols b. gasoline and water c. household cleaners d. window cleaner and water

Write an equation that shows the formation of the phosphide ion from a neutral phosphorus atom.

Which of the following terms is defined by the measure of mass per unit of volume? gravity density weight acceleration

Select the lon. O NO₂ H2SO4 O A3

True or False: A Solar eclipse occurs when Earth casts a shadow on the Moon.

To which digestione organ dose food travel it leaves the stomach