Which compounds contain only carbon and hydrogen

Which of the following could lead to static discharge? water molecules sticking together at a surface the force of gravity pulling an object to Earth a vibration compressing molecules of air the build up of electrons on the atoms of an object

How many o atoms are present in 1.04 mol of mgso4?

In the citric acid cycle, after the acetyl-group (2C) from acetyl-CoA is transferred to oxaloacetate (4C) to produce citrate (6C), subsequent reactions eventually result in 4C intermediates that are rearranged to regenerate oxaloacetate.

A bulb of a thermometer is placed in your mouth. Which of the following explains why the level of the liquid rises in the thermometer?

A chemist weighed out 101. g of sodium. Calculate the number of moles of sodium she weighed out.

How does an atom with too few neutrons relative to protons undergo radioactive decay? * by converting proton to a neutron by converting a neutron to a proton by emitting an alpha particle

What is the chemical formula for the compound formed between sodium and iodine?

8. Write a balanced chemical equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, and Cas.

Is calcium carbonate a compound element or mixture?

Why do covalent bonds not involve the transfer of electrons