Are Organisms on earth carbon oxygen or hydrogen based life forms

Explain why you think tornadoes are called funnel clouds

A student was comparing the solubility of equal amounts of table salt and table sugar at different temperatures. The table below shows the four samples that the student used and the temperature of the water that they were dissolved in.

The pH of a substance is defined as

If 5.0g of KCLO3 is decomposed, what volume of O2 is produced at STP?

What is the fate of the radioactive label? C14C14 appears at C‑6 of fructose 6‑phosphate. C14C14 appears in the CO2CO2 evolved by the oxidative phase. C14C14 appears at C‑5 of ribulose 5‑phosphate. C14C14 appears at C‑7 of sedoheptulose 7‑phosphate.

Silver chromate is sparingly soluble in aqueous solutions. the ksp of ag2cro4 is 1.12 * 10-12 m3. what is the solubility (in mol/l) of silver chromate

What do you think 1,5-pentanedithiol C5H12S would smell like

If an atom has sp hybridization in a molecule: the maximum number of σ bonds that the atom can form is

What is an oxidizing agent?

In times of hot dry weather some cities ban the use of garden sprinklers why do you think there is such a rule