During photosynthesis, what is used to break water down into oxygen and hydrogen

Which of the following elements is unique to nucleic acids when studying organic compounds? carbon hydrogen phosphorous oxygen

What type of mixture is chicken noodle soup

Dinitrogen oxide, also known as laughing gas, is a sweet-tasting gas used in dentistry. when solid mixture of sodium nitrate and ammonium sulfate is heated, the products are solid sodium sulfate, gaseous water and gaseous dinitrogen oxide.

In the coffee-cup calorimeter you used in the laboratory, which of the following statements is true? A. The water is part of the system. (MA) B. The water is the system and the ice is the variable. C. The foam cups are not part of the system. D.

Granite is blank is the solvent

Is B2O3 molecular or ionic

In which scenario does radiation occur? A. warming soup on a stove B. drying towels at the beach C. cooking eggs in boiling water D. warming a sore muscle with a hot pack

If a heated steel nail were placed in pure o2, would you expect it to burn as readily as the steel wool does?

What is density? What does it tell you about the substance?

Atoms like sodium and lithium often lose electrons, which makes them