Is dynamite an atom or a molecule?

How do resonance structures and isomers differ?

MgCl2 + Na2O Nog+2NaC what type of chemical reaction is this

True or false: Chemical reactions can be detected by the formation of a gas.

Which of the following solutions is a buffer? Check all that apply. A. a solution made by mixing 100 mL of 0.100 M CH3COOH and 500 mL of 0.100 M NaOH B. a solution made by mixing 100 mL of 0.100 M CH3COOK and 50 mL of 0.100 M KCl C.

How many grams of water are produced from the reaction of 40.3 g of oxygen according to this equation? 2h2 (g) + o2 (g) → 2h2o (g) ?

Which statement is the best example of pseudoscience? A. J. joined a group that studies phrenology. Kathleen joined a group that studies endangered species. Joe joined a group that studies herbal remedies.

How many grams of sodium nitrate (NaNO2) will dissolve in 100g of water at 20°C?

Caffeine is about 10 times as soluble in hot water as in cold water. A chemist puts a hot-water extract of caffeine into an ice bath, and some caffeine crystallizes. Is the remaining solution saturated, unsaturated, or supersaturated and why?

Students in a science class learn that groundwater is an important source of drinking water for many communities. They construct a model to study how leaking chemicals from a landfill can affect groundwater.

Given the energy levels of electrons in a hydrogen atom (table), rank the photons emitted by the following electron transitions from longest to shortest wavelength. n=4 to n=3 n=4 to n=2 n=2 to n=1 n=3 to n=1