What is the relationship between the classification of a reaction as endothermic or exothermic and the enthalpy of the reaction?

What occurs in solvation

Sulfur oxidation Choose one: A. contributes to global warming due to CO2 production. B. contributes to global warming due to methane production. C. causes environmental acidification due to production of sulfuric acid. D.

Methane (ch4) and the perchlorate ion (clo-4) are both described as tetrahedral. what does this indicate about their bond angles?

What sort of elements have similar reactivity in the periodic table?

A student prepared a solution of NaCl by dissolving 55.0g of sodium chloride in 570 mL of water. What is the percent by mass of the NaCl solution?

A chemist must prepare of aqueous potassium permanganate working solution. He'll do this by pouring out some aqueous potassium permanganate stock solution into a graduated cylinder and diluting it with distilled water.

What is the best name for the molecule below? a compound with 10 total carbons with a double bond and the rest single bonds.

What Word means the gradual change and build up of organisms in an enviroment

If you see the Sun is high in the sky, what can you say about the SUN as viewed from the opposite side of Earth at the same moment?

What element has 8 valence electrons