Some polymers are elastic because they are made of

a. carbon.

c. sugar and alcohol.

b. phosphate ladders.

d. cross-linked chains.

Select all that apply. Which of the following techniques have been employed to improve the efficiency of fireplaces? addition of catalytic combustors addition of boilers use of masonry use of venting systems

For a reaction system at equlibrium, le chateliers principle can be used to predict the

Ba2 + (aq) + SO42 - (aq) →BaSO4 (s) A student obtains a 10.0g sample of a white powder labeled as BaCl2. After completely dissolving the powder in 50.

A gas mixture contains CO, Ar and H2. What is the total pressure of the mixture, if the mole fraction of H2 is 0.35 and the pressure of H2 is 0.58 atm?

How do polar molecules respond when they are placed between two metal plates one positively charged and one negatively charged?

Chlorine plus lithium bromide

What is the independent and dependent variable of the sentence" you decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You decide to try to get rid of this slime by adding lemon juice.

M=40g V=31cm^3 what is the density

Write a balanced equation for the reaction of copper with silver nitrate

The compound h3po4 is named: a. nitric acid. b. sulfuric acid. c. phosphoric acid. d. ethanoic acid.