Calculate the ph of a solution that contains 7.8 x 10-2 m oh at 25c a) 1.28 b) 5.11 o c) 12.9 d) 8.89

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

What volume of argon gas is equal to 1.60 grams of argon