All of the following are abiotic factors in an ecosystem except:

Minerals

Soil

Plants

Temperature

James was given a sample of sodium bicarbonate NaHCO3 in a weighing dish to analyze. His teacher asked him to find the percent of each element in the compound. He easily calculated the first three elements, but was stumped when he got to oxygen.

What country used the most energy in world during both 1990 and 2003?

Calculate the pH of 100.0 mL of a 0.150M aqueous solution of HNO3

What's the liquid that passes through a filter?

Is soap more or less dense than water?

What is the passing of a wave through an object

Classify the following as atoms or molecules. Drag the appropriate items to their respective bins. a. Mg S b. H2 SO3 c. HBr

If a sample of gas has a volume of 5.00 L @ 92.3 C, what will the volume of the gas be if the temperature is lowered to - 37 C

On melting of ice, there is a decrease in volume instead of increase. Why?

When a dolphin jumps, it moves its muscles and chemical potential energy is converted to kinetic energy. Some of this energy is lost to the dolphin. Explain why this phenomenon does not violate the Law of Conservation of Energy.