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Why is it not possible for the molar mass of a monoprotic acid to have a value less than 1g/mol?
what is the minimum amount of ice at 0C that must be added to the contents of a can of diet cola (340mL) to cool it from 20.5C to 0C?
human growth hormone in 25.0 mL of solution has an osmotic pressure of 0.109 torr at 25.0°C. What is the molar mass of human growth hormone?
What is the molecular formula for the compound containing 30.4% nitrogen and 69.6% oxygen by mass and having a molar mass of 92.0 g?
which one of the following alkyl halides gives the highest ratio of substitution to elimination on treatment with sodium ethoxide in ethanol, and why?
An oligomeric protein has a molecular weight of 168000. A 420 mg sample was treated with an excess of 1-fluoro-2,4-dinitrobenzene (Sanger\'s reagent) until the reaction was complete
It requires 41.16mL of a particular NaOH solution to bring 1.0054 g of KHP (204.24 g/mol) to the bromocresol green endpoint. a 0.8054 g sample of an unkown monoprotic acid requires 44.30 ml of the same solution to reach the same endpoint. what is ..
if iodine gas reacts with excess fluorine gas to produce 7.575 g of iodine penta fluoride gas, what was the pressure of the iodinee gas before reacting if it was kept in a 1.5L flask at 298 k
Determine the percent by mass of calcium carbonate in the sample
Molten carbonate fuel cells fueled with H2 convert as much as 60% of the free energy released by the formation of water from H2 and O2 into electrical energy. Determine the quantity of electrical energy obtained from converting 1 mole of H2 into H..
Draw the Newman projection formulas for CH3CHBrCH2CH3 and sketch the potential energy versus rotation diagram for a 360o rotation of 2-bromobutane along C2 and C3 carbon atoms.
A 0.100 M solution of a certain weak acid, HA, is found to have a pH of 2.45. Calculate the % ionization for the acid. Enter the answer as a decimal number with 3 decimal places. Do not enter the units.
Predicting nuclear stability is important when determining whether or not a nuclear reaction can take place spontaneously. Use the following set of guidelines to predict the nuclear stability of the elements listed below. Stable nuclei have a high ne..
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