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The dipole moment (h-BR) of (a polar covalent molecule) is 0.82 (debye), and its percent ionic character is 12.1. Estimate the bond length of the bond in picometers.
Calculate the molarity of 500.0 cm3 of solution containing 18.5 g of calcium nitrate Ca(NO3)2
What are the other side products present in this biocatytic reaction? Name the principal enzymes taking part in this bioconversion. To which class of enzymes do they belong to?
what is the value of Kp for this reaction at this temp? what wold be the effect of an increase in pressure on the amount of SO_3 produced? what wold the effect of an increase in temp on the amount of SO_3 produced? (use relevant data from Appendix..
Calculate the mass of silver chloride required to plate 235 mg of pure silver. Silver chloride, often used in silver plating, contains 75.27% .
a solid acid is dissolved in enough water to make 200 ml of a solution. 40 ml of the solution is titrated to a phenolphthalein end point with an NaOH solution.
How much energy (in kilojoules) is required to convert 270 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL?
A student measures the standard enthalpy change for reaction (C2H4(g) + H2O(g) CH3CH2OH(g)) to be -52.8 kJ :Calculate the standard enthalpy of formation.
Calculate the amount of heat [kcal] released when 50.0 g of steam at 100 °C hits the skin, condenses, and cools to a body temperature of 37 °C.
The atomic weight of a newly discovered el-ement is 10.600 amu. It has two naturally occuring isotopes. One has a mass of 10.000 gms and a natural abundance of 70.000%. What is the isotopic mass of the other isotope?
When the valve between the 2.00-L bulb, in which the gas pressure is 2.00 atm, and the 3.00-L bulb, in which the gas pressure is 4.50 atm, is opened, what will be the final pressure in the two bulbs?
What is the volume of nitrogen produced if the temperature of the car is 23.5 Celsius and atmospheric pressure is 748.2 mm Hg?
Balance the equation using the smallest possible integers. Also determine the sum of the coefficients of the reactants?
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