Which of the following is true about the composition of ionic compounds?

a. They are composed of anions and cations

b. They are composed of anions only

c. They are formed from two or more nonmetallic elements

d. They are composed of cations only

Does your body lose or gain thermal energy is your body temperature is 37 C and the temperature around you is 25 C

Write and balance the chemical equation for the reaction between carbon monoxide, co (g), and oxygen to form carbon dioxide, co2 (g). use only integers (not fractions) and be sure to include the states of matter.

Summarize the three main acid and base theories for arrhenius

Choose the correct explanations for the aromaticity of the compound. Select all that apply. 1. The lone pairs on the nitrogen atoms do not contribute to aromaticity. 2. The lone pairs on the nitrogen atoms do contribute to aromaticity. 3.

Water (h2o) and hydrogen peroxide (h2o2) both consist of hydrogen and oxygen atoms. Explain why they have different chemical and physical properties

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.