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Realize the calculus to preparate 25 mL of a saline solution 7.4% from 50 mL of a saline solution 11.7%.
In the equation below, fill in the blanks with the appropriate whole numbers to provide a balanced equation: ___ EtCH=CHEt + ___ KMnO4 --> ___ EtCO2K + ___ MnO2 + ___ H2O + ___ KOH
For the reaction a plot of equilibrium constant K vs 1/T Kelvin gave a line with a slop of -2100 K and y intercept of 4.53k. What is the value of standard enthalpy change for the reaction
What is the minimum number of 1.0 L bottles of concentrate needed to make the wine have the correct level of sugar. Remember to show all work, units and assumptions.
Determine what mass of titanium displaces 65.6mL of H 2 O at the temperature 25 degree Celsius if the density of titanium metal is 4.51 g/cm 3 at the temperature of 25 ° C .?
Determine At what temperature will Kp 2.00? if it is given that Delta H = +57.2 kJ/mol,Kp = 0.113 at the temperature of 298 Kelvin?
Tums, a drugstore remedy for acid indigestion, contains CaCO3. Write an equation for the reaction of Tums with gastric juice (HCl)
A certain microwave oven delivers 702 watts (J/s) of power to a coffee cup containing 67.5 g of water at 25°C. If the wavelength of microwaves in the oven is 9.75 cm
What evidence do you have that your product consists of a single geometric isomer or is a mixture of isomers? Does the melting point give such information
the density of liquid water at 0 degrees celsius is 0.9987 gcm3 the density of ice at this same temperature is 0.917
Show the step by step reaction mechanism for the SnAr2 reaction of 2,4-dinitrochlorobenzene and an amine. Explain why the nitro groups are important.
Assume ^35^Cl_2_ is a harmonic oscillator( it is slightly anharmonic). If K=329 N/m compute the zero-point energy for this molecule. ^35^Cl= 34.9688g/mol.
Given a stock solution of a food dye having a concentration of 1.0 x 10-5 and an absorbance of 0.700. If a new solution is made by diluting exactly 10.0 mL of the solution with exactly 20.5 mL of distilled water, what should the absorbance of the ..
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