Given the thermochemical equation for photosynthesis, calculate the mass, in grams, of O2 that is produced by photosynthesis when 22700 kJ of solar energy is consumed.

The atomic mass of an element is equal to the number of: protons protons plus neutrons protons plus electrons neutrons

What compound forms when zinc reacts with sulfur

Tamara and Tyler are both interested in studying birds. Tamara goes to the park and uses her notebook to record the number and colors of birds that she sees there.

Sketch 1s 2s 2p orbitals using the same scale for each

Explain the relationship between plate tectonics and volcanos

What is population and air

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