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A gas at a temperature of 100 degrees C occupies a volume of 350 mL. Assuming constant pressure, determine the volume at 20 degrees C.
How much heat is absorbed by a 125g sample of water when it is heated from 25.200C to 32.800C? The specific heat of water is 4.184 J/g0C.
tartaric acid is a substance that is often present in wines and preticipates from soultion as the wine ages. the
The reaction between hydrochloric acid and zinc metal produces hydrogen gas and zinc chloride. If 50g of each hydrochloric acid and zinc are mixed
What pH condition (either more soluble in acidic solution OR pH = 1 or more soluble in basic solution of pH= 13) would improve the following compounds solubility in water:
State the structure of another other organic products that might be produced from the carbocation intermediate in this reaction.
what is the mass of the solid nh4cl formed when 64.0 g of nh3 are mixed with an equal mass of hcl? what is the volume
Calculate the atomic mass of the metal. A 0.194 gram sample of a metal, M, reacts completely with sulfuric acid according to: M + H2SO4 --> MSO4 + H2
Determine if the reactions indicated below can be done in one step by writing yes or no to the right of the indicated reaction. Please explain it.
Question- As a technician in a large pharmaceutical research firm, you need to produce 200.mL of 1.00 M potassium phosphate buffer solution of pH = 6.94. The pKa of H2PO4 is 7.21. You have the following supplies: 2.00 L of 1.00 M KH2PO4 stock solu..
Describe the preparation of one liter of 0.10 M ammonium cholride buffer, ph=9. starting with solid ammonium cholride pk=9.26 and 1 M NaOH. describe in detail steps to solve and use correct units please
a solution made by dissolving 5.00 g of a protein in 175 ml of solution has an osmotic pressure of 42.0 torr at 10
show states of matter and charges where appropriate. Also find molecular equation, total Ionic Equation, and Net Ionic Equation.
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