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How many moles are in 8grams of sugar if its in 25 ml of water
Compound A, C8H10, absorbed 3 equivalents of H2 on catalytic hydrogenation over a Pd/C catalyst to give B (C8H16). On ozonolysis, compound A gave, among other things, a ketone which was identified as cyclopentanone.
Find the maximum possible thermal efficiency and minimum possible rate of heat discard. If the actual efficiency is 60% of the maximum and the river has a flowrate of 165 m 3 /s, what is the expected temperature rise of the river
the discharge pressure is 2 bars. Determine the area, enthalpy and specific volume at the entrance of the nozzle and the area, enthalpy
The rate constants of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 350 K and 360 K. What must the activation energy be for the rate constant to double as described
A solution of 62.4 g of insulin in sufficient water to make 1.000 L of solution has an osmotic pressure of 0.305atm at 25°C. Based on these data, compute the molar mass of insulin in g/mol.
Na2CO3 is dissolved in approximately 25 mL of distilled water. How many grams of Na2CO3 are required to react with approximately 25 mL of 0.1 M HCl
a cylinder measuring 3.4 cm wide and 4.0 cm high is filled with gas. The piston is pushed down with a steady force measured to be 275 kpa
Calculate the solubility-product constant for PbF2. Ksp = (c) The Ksp of ZnSe at 25 oC is 3.60e-26. What is the molar solubility of ZnSe? solubility = mol/L
the epa limit for lead in the water supply is 15 parts per billion by mass. calculate the number of lead ions present
Consider the reaction. N2(g) + O2(g) --> 2NO(g) How many moles of NO are obtained when 0.029 mol of N2 is completely reacted
Balance the following equation in basic conditions. Phases are optional. SO3 2- + Co(OH)2 yields Co + SO4 2-
If a 4.86g of solid carbon dioxide was placed into an evacuated 2 L container, sealed as well as then heated until it completely changed to a gas with a final temperature of 75 degrees calcium, what would be the pressure
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