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A sample of a gas in a pressurized container has a volume of 3.10 L at 20.0°C and 1.60 atm. If the volume is increased to 4.00 L and the temperature is raised to 42.5°C, what is the new pressure inside the container? Show work and steps!
determine the number of moles of hydrogen atoms when you are given 2 moles of
If this arsenic is present as arsenate, AsO4^3-, what mass of sodium arsenate would be present in a 1.10L sample of drinking water that just meets the standard
calculate the minimum number of grams of propane that must be combusted to provide the energy necessary to convert 5.35 of ice at -21.5 to liquid water at 76.0.
If one strand of a DNA double helix has the sequence TCGAGTCCGG. what is the sequence of the other DNA strand?
write the two resonance hybrids for the carbocation that would be formed by protonation at C-1 of 2-methyl-1,3-pentadiene. Without doing a calculation
Codeine is added to 100ml of water until the solution concentration is 0.800M. What is the pH of this solution?
redraw it as a zwiterrion a neutral molecule with a positive and a negative electrical charge (n.b. not dipoles) at different locations within that molecule.
Drawing and naming structures; IUPAC names, Give the structure or structures and the IUPAC names of the alkenes formed from the dehydrohalogenation of the following compounds with a strong base
BICINE is a compound that contains a tertiary amino group. You have 0.5 L of 0.05 M BICINE with its tertiary amine in the unprotonated form. How much 0.2 M HCl or 0.2 M NaOH must be added in order to create a BICINE buffer solution pH = 7.5. (pKa ..
you are a professional frontier re-enactor who specializes in making lead shot. to do this you put 2 kg of ice into 2
dissolved in 100.0 mL water and titrated with 0.500 M NaOH; it takes 45.1 mL to reach the equivalence point. What is the molecular mass (g/mol) of pyruvic acid?
In trans-1,2-dibenzoylethylene, even though the conjugated C=O group frequency coincides directly with the expected C=C stretching frequency, we would not have expected to observe the latter stretching mode in the infrared spectrum. Why
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