7. calculate the molarity of a water solution of kci, given that 2.50 l of the solution contains 30
a. 140
c. 4.69
b. 0.007
d. 1.88

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Displacement is the slope of a velocity vs. time graph a. true b. false

Which metals are called noble metals