What evidence indicates that a reaction has occurred? (Select all that apply.)

a. The temperature decreased.

b. A solid brown product formed.

c. The temperature increased.

d. A gas formed.

e. An explosion occurred.

Explain equilibrium based on collision theory.

During the lysogenic cycle, the viral genome replicates and the host cell is destroyed. true or false

The atomic number of the element which does not usually form compounds because its outermost shell is full is a. 8 b. 16 c. 18 d. 19 e. 20

Roundup, an herbicide manufactured by Monsanto, has the formula C₃H₈NO₅P. How many moles of molecules are there in a 304.3-g sample of Roundup?

According to the law of demand an increase in the price of gasoline will: A. increase the quantity demanded of gasoline, other things constant. B. decrease the quantity demanded of gasoline, other things constant. C. increase the demand for gasoline.

Do pure substances have the same chemical and physical properties

How is matter conserved in a chemical reaction

Define Percent transmittance

Express (3 x 104) (4 x 1023) in scientific notation

The theoretical yield of aspirin in a reaction is 721 g. What is the percent yield if 461 g is produced?