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Calculate the number of Cl atoms in 15.84g of carbon tetrachloride
The molarity of C2O42- in a saturated solution of CdC2O4 was determined to be 0.000122 M. Calculate the solubility product constant (Ksp) for CdC2O4.
The measured boiling point of the solution was 65.46 °C. Calculate the molecular weight of the unknown substance.
A 12.0-g sample of ice at -19.0°C is mixed with 115.0 g of water at 72.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
A protein biochemist attempted to determine the amino acid sequence of a decapeptide. Use the results from the trypsin, chymotrypsin, and cyanogen bromide treatments to suggest the amino acid sequence of this decapeptide.
A sample of argon gas has a volume of 735 mL at a pressure of 1.20 atm and a temperature of 112 degrees C. What is the volume of gas, in milliliters
A 29.0-g sample of water at 270. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Phosphorus donor atoms with a concentration of 10^16 cm^-3 are added to a pure sample of silicon. assume that the phosphorus atoms are distributed homogeneously throughout the silicon.
a 12.8 g sample of ethanol c2h5oh is burned in a bomb calorimeter with a heat capacity of 5.65 kjdegc. using the
A solution is made by combining 10.0mL of 17.5M acetic acid with 5.50g of sodium acetate and diluting to a total volume of 1.50L
When talking about Hydroxyquinone, BHT and BHA as radical inhibhitars, they are commonly additives to foods such as Crystal Light. (BHA:to help protect flavor). How do these molecules function as radical inhibitors. Show how these molecules interc..
The OH- concentration in an equilibrium 0.101 M NH3 solution is 1.30*10^-3 M. Calculate Kb of NH3.
when a blue copper(II)nitrate solution is mixed with a colorless solution of sodium sulfide
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