On what principle does calorimeter depend?

a) Hess's law

b) law of conservation of energy

c) law of enthalpy

d) law of multiple proportions

Activated carbon binds to most substances through van der waals or london dispersion forces. how did you use ethanol to confirm that the pollutant had been removed from the water by adhering to the activated carbon?

What are the resulting coefficients when you balance the chemical equation for the combustion of ethane, C2H6?

If element X bonds covalently with element Y, then what must the electronegativity difference between X and Y be for this bond to be nonpolar?

If CI-35 has 18 neutrons, how many neutrons are in CI-33? (A) 17 (B) 16 (C) 15 (D) 18 (E) 19

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.

How many of the elements in the second row of the periodic table (li through ne) will have at least one unpaired electron in their electron configurations?

The Modern atomic model includes electrons orbiting the nucleus. WHich of the following parts of the Dalton's atomic model was disproved by the discovery of the electron?

Explain why bromine does not react with aqueous potassium chloride

Beaker A contains 2.06 mol of copper, and Barker B contains 222 grams of silver. Which beaker the larger number of atom?

How do muscles work in pairs to make parts of the body move?