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Calculate the vapor pressure of water above a solution prepared by dissolving 35.0 of glycerin () in 135 of water at 343 . (The vapor pressure of water at 343 is 233.7.)
What are the hypothesized direct relationships implied by the SEM model and identify the exogenous and endogenous variables.
Monothiocarbamate complexes of Fe(III) have been prepared. For the methly and ethyl complexes, the magnetic moment, μ, is 5.7 to 5.8 μB at 300K, changes to 4.70 to 5 μB at 150K, and drops still further to 3.6 to 4 μB at 78K.
A stone is dropped from rest into a well. The sound of the splash is heard exactly 2.00 s later. Find the depth of the well if the air temperature is 14.0°C. meter
A bottle of wine contains 12.5% ethanol by volume. The density of ethanol is 0.789 g/cm3. Calculate concentration of ethanol in wine in terms of mass percent and molality.
Draw the payoff trees of each assets
A diver pushes off horizontally from the top of a vertical cliff that is 40.0 m high from water surface below. How long is the diver in the air
a) Use Planck's equation (E = hv) to determine the energy, in kilojoules per mole, of radiation of frequency 2.12×10^14 (s^-1). b) What electron transition in a hydrogen atom, starting from the orbit 10, will produce light of wavelength 380 nm
Discuss some of the advantages and disadvantages of the WHO protocol versus the single test. Give the assumptions that you have made in carrying out calculations.
How many tons of ice cream will the factory produce? how much does it pay in emission fees? what are its profits?
One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 2.95 D.
nicotine a component of tobacco is composed of c h and n. a 12.075 mg sample of nicotine was combusted producing 32.757
a solution contains 10.0g of koh and 900.0ml of water. the volume of the solution is 904.7ml. what is the mass percent
Then 1.00 mL of a 10.9 mM Lithium standard was added to 9.00 mL of serum, and this spiked serum gave an intensity reading of 721 units. What is the original concentration of Li in the serum?
what type of conalently bound compound can dissolve in water. what type of sructure and bonding is required
If 3.25 L of ammonia react with an excess of oxygen to form nitrogen monoxide and water steam, what volume of water steam will be produced? The pressure and temperature stay constant. A. 2.04 L B. 2.17 L C. 3.33 L D. 4.14 L E. 4.88 L e is righ one
how much energy is required to vaporize 48.7 g of CH2Cl2 at its boiling point if its Hvap = 31.6 kg/mol
Discuss the difference between Mass Spectroscopy, Nuclear Magnetic Resonance,
Suppose that a 4.0 L sample of gas at 1.0 atm is heated from 44°C to 53°C, during this process the volume doubles. What will the final pressure of the gas sample be
what is the molar mass of the solute? The boiling point elevation constant for water is .512 C/m.
A 250.0 g sample of french fries is placed in a calorimeter with 500.0 g of water and an initial temperature of 21.0 C. After combustion of the french fries the water has a temperature of 48.0 C
After equilibrium is reached, (X)=.55 M. Calculate the Keq (Kc) for this reaction. show full steps please for rating
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