Which substance is an electrolyte?

(1) CH3OH (3) H2O

(2) C6H12O6 (4) KOH

Which gas would act most like an ideal gas? a. chlorine gas at 32oC b. chlorine gas at - 185oC

How can chemical changes be detected

Suppose you find a rock that contains some potassium-40 (half-life of 1.3 billion years). you measure the amount and determine that there are 5 grams of potassium-40 in the rock.

What is the relationship between radio waves and motion?

A mixture of CaCO3 and CaO has a mass of 2.750 g. After heating, the mass of the sample is reduced to 2.097 g. What is the mass percent of CaCO3 in the mixture

Predict whether or not a precipitate forms upon mixing 175.0 ml of a 0.0055 mkcl solution with 145.0 ml of a 0.0015 m agno3 solution. identify the precipitate, if any.

The nucleus of one boron atom has 5 protons and 4 neutrons wjat is the total number of electrons in a boron atom

Pure sodium metal explodes when it makes contact with water, and chlorine, in its natural state, is a deadly, poisonous gas. When these two chemicals combine, they form a harmless, white powder known as sodium chloride or table salt.

Why reducing power of elements increase, on moving down a group?

Which of the following is not a result of air pollution? A. Smog B. Breathing problems C. Global warming D. Soil erosion