3 light sticks are placed in water baths of varying temperatures. At which temperature would the light stick glow the brightest?

0°

20°

30°

40°

Why are polar solutions not electrolytic? A) They are made of insulators B) They are not composed of ions, and therefore do not separate into charged particles. C) Polar solutes don't dissolve in water.

Which of the following is an intensive property of a sample of water

Carbon-14 and carbon-12 have the same number of protons but a different number of neutrons. These different forms of the same element are called___ A. radioactive B. isotopes C. nuclei D. tracers

What are some uses of hydrates?

Consider two acids: (ch3) 3cco2h (pivalic acid, pka = 5.0) and hco2h (formic acid, pka = 3.8). Which acid is the stronger acid? Select the single best answer.

1. The effect of a catalyst on a chemical reaction is to provide a new reaction pathway that results in a different A) potential energy of the products B) heat of reaction C) potential energy of the reactants D) activation energy

Name three other planets besides Jupiter and Saturn in our system that we know have solid diamonds

When. 455g of anthracene, c14h10, is combusted in a bomb calorimeter that has a water jacket containing 500 g of water, the temperature of the water increases by 8.63 c?

Which of the following would dissolve in water, and why? None of these substances would dissolve in water Candle wax, it is a nonpolar substance Motor oil, its primary IMF is London Dispersion Forces Acetic acid, it ionizes into ions when added to

An atom's central region which is made up of protons and neutrons