He baking soda looked like it dissolved in the vinegar. sarah and connor watched as the balloon expanded and filled with a gas. was this a physical or chemical reaction and why?

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Which statement can best be concluded from the ideal gas law?