How many elements in CuSO4

Describe the properties of microwaves using some of the prompt words listed below

Which term describes the molecule shown below h-c-c-h ethyne c2h2?

A solution in which only a little solute is dissolved in a certain amount of solvent is called a (n) concentrated solution. Select one: True False

What are the coefficients for the following reaction when it is properly balanced?? potassium iodide + ? lead (II) acetate lead (II) iodide + -potassium acetate 3,2,2,1 1,1,2,2 none of these

Flammability is a chemical property that tells whether a substance reacts in the presence of carbon dioxide ... true or false

The relationship between pressure and temperature of a gas, when volume and moles of a gas are held constant, is: P*T = k. TRUE FALSE

The system is said to be in dynamic equilibrium when: Select one: a. there is no longer any net change in the concentrations of products or reactants. b. the forward and reverse reactions come to a halt. c. None of these d.

You have a 1 L container of a gas at 20 C and 1 atm. Without opening the container, how could you tell whether the gas is chlorine or fluorine? a. measure the mass of the gas b. measure the speed of the gas molecules c.

A 1.268 g sample of a metal carbonate, MCO3, was treated 100.00 mL of 0.1083 M H2SO4, yielding CO2 gas and an aqueous solution of the metal sulfate. The solution was boiled to remove all of the dissolved CO2 and then was titrated with 0.1241 M NaOH.

1. According to the article, which country may have a greater population than China by the year 2050? A. China B. Kenya C. India D. Germany 2. What does the article list as one reason that drives couples in India to have more children? A.