48 What is the color of the indicator thymol blue in a solution that has a pH of 11? (1) red (3) pink

(2) blue (4) yellow

If an automobile air bag has a volume of 11.7 L, what mass of NaN3 (in g) is required to fully inflate the air bag upon impact

What is the approximate pH of a 0.06 M solution of CH3COOH (given that Ka = 1.78 x 10-5) ? A. 1 B. 3 C. 6 D. 7 E. 9

Which of the following is an example of chemical energy changing into radiant energy

Examine the following reactions. Which of the following is true about compound C? Reaction 1 Reaction 2 Reaction 3 Reaction 4 A + B → C + D → E + F → G + H Examine the following reactions.

Which of the following is always true about radioisotopes? A) They have unstable nuclei. B) Their neutron-to-proton ratio is 1:1. C) Their decay products are stable isotopes. D) all of the above The answer is A, I just passed my test.

Is toasting marshmallows over a campfire a physical or chemical change?

What two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior

Sifat asam, basa, dan garam

How to tell if an atom or molecule is ionic

Ben dug up some soil in his neighborhood that has very large particles and felt rough to the touch. When Ben added water to a sample of the soil it drained through very quickly which type of soil can Ben conclude that he has found