car traveling with constant speed travels 150 km in 7200 s. What is the speed of the car?

An acid a. has a high pH in solution. b. turns blue litmus paper to red. c. releases hydroxyl ions in solution. d. has more hydroxyl than hydrogen (or hydronium) ions.

Imagine that one carbon in buckminsterfullerene (C60) is replaced by a silicon atom, yielding SiC59. This molecule can then orient in 60 different ways. What is the entropy of one mole of SiC59 at T = 0 K?

Which of the compounds of h2c2o4, ca (oh) 2, koh, and hi, behave as acids when they are dissolved in water?

Maple syrup has a density of 1.325 g/ml, and 100.00 g of maple syrup contains 67 mg of calcium in the form of ca2 + ions. what is the molarity of calcium in maple syrup?

Cao (s) + h2o (l) = ca (oh) 2 (s) what mass of slaked lime can be produced from a mixture of 28.4 g of cao and 13.3g of h20

How many formula units are there in 2.3g of NH4SO2

In a cooking context, which of the following materials is the best heat conductor? A. Any dense liquid B. Iron C. Gas D. Glass

When you open a bottle of soda, bubbles of carbon dioxide start appearing. Is this a chemical or physical change and why?

Al2 (SO3) 3 what are the number of atoms

How marly electrons are in an atom of elemental sodium?