The empirical formula for sucrose is CH2 O. The molar mass of sucrose is 330.3 grams per mole. Determine the molecular formula of sucrose.

Which of these is pure substance as well as a compound A. An atom of hydrogen B. A sample of oxygen gas C. Sample of carbon dioxide D. A solution of carbon dioxide dissolved in water

Many elements bond to carbon by exchanging electrons. true or false.

How many grams are in 1.11 moles of MN3 (SO4) 7

Why do some molecules begin sticking together when you add in more molecules?

Suppose sodium chloride mixes with Silica (a hard glassy material that does not dissolve in water) Describe a way to remove the sodium chloride

If the heat released during condensation goes only to warming the iron block, what is the final temperature (in ∘C∘C) of the iron block? (Assume a constant enthalpy of vaporization for water of 44.0 kJ/molkJ/mol.)

Which of the following is not a disaccharide? A) sucrose B) maltose C) lactose D) amylose E) all of the above are disaccarides

The process by which a semipermeable membrane allows water molecules, small molecules, and ions to pass through while retaining large particles

Ice melting, water boiling, lighting a match, grape juice freezing. Which statement describes evidence of a chemical reaction

An ion from a given element has 22 protons and 18 electrons. what is the charge on the ion?