What are organisms controlled by

What is the molarity when 8.0 moles of solute are dissolved in 1.5 liters of solution? 12 M 5.3 M 8.0 M 1.5 M

How does the volume of a gas compare to the space between the particles of a gas is at normal pressure?

A 0.36 L balloon at 23.6 oC and 1050 mm Hg is placed in new conditions of standard temperature and pressure. What will be the new volume of the balloon?

A 100. g sample of water contains 0.000 325 g of calcium. What is the concentration of calcium, in ppm? Round your answer to 3 significant figures.

Carla is reading an article about a certain species of bacteria that can grow on the leaves of house plants. The article explains that the bacteria are heterotrophic. A. The bacteria are probably eubacteria because they live on common plant leaves B.

You are in space and running out of water. You do have a great deal of magnesium carbonate pentahydrate. It is possible to extract the water from this.

What form of energy emission accompanies the return of excited electrons to the ground state?

A chemistry student was asked to draw the electron configuration for carbon. Explain what is wrong with the electron configuration below. What rule did the student violate (Aufbau principle, Pauli Exclusion principle, or Hund's rule) ? 1s22s23p2

During a laboratory experiment, 36.12 grams of Al2O3 was formed when O2 reacted with aluminum metal at 280.0 K and 1.4 atm. What wa volume of O2 used during the experiment? 302 + 4A1 - 2A1203

The relative abundance of the two isotopes is 99.9999 percent and 0.0001 percent, respectively. 1.0066 amu 3.0160 amu 3.5903 amu 4.0026 amu