What is the pH of a 1.0 x 10–2-molar solution of HCN? (For HCN, Ka = 4.0 x 10–10.) A)10
B) between 7 and 10
C) 7
D) between 4 and 7
E) 4

Forests and meadows are often cut down to make way for farms or large number of new homes. what are some of the elements of ecosystems that are lost when plants in these areas are removed?

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

During which time interval does the object travel approximately 10 meters