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Determine the number of moles of H2 that are present at equilibrium if a mixture of .300moleof CO and .300 mole of H2O is heated to 700 degrees Celsius in a10.0 L container at the 700 degrees Celsiu
Outsourcing is the important issue for producers and service providers. Give at least two benefits and two disadvantages of outsourcing. Give references to all discussions as required.
Estimate how many moles of Helium will be in this balloon if the volume changed to 71.7 L when a rubber balloon contains .850 moles of helium had a volume of 17.9 L when the temperature was 23.6 deg
The distribution coefficient, k= (conc. In ligroin/ conc. In water), among water and ligroin for solute A is 7.5. Explain what weight of A would be removed from a solution of 10 grams of A in 100 mL
How many moles of benzoic acid are present? Determine how many moles of sodium bicarbonate are contained in 1 mL of a 10 % aqueous solution?
Discuss how do you calculate the wavelengths of these four lines? Hydrogen has four spectral lines in the visible region. What are the four line colors, the transition from ni to nf?
The falling object satisfies given equation: dv/dt=9.8-(v/5) v(0)=0. Determine the time which should elapse for object to reach 98% of its limiting velocity.
Carbon from a cypress beam a king of ancient Egypt obtained from the tomb of Sneferru, gave 8.1 disintegrations of 14 C (carbon isotope 14) per minute per gram of carbon.
What fraction of the radioactive iodine would remain after7.0 days? A solution of sodium iodide containing radioactive 131 I was given to a patient to test for a malfunctioning of the thyroid gland
Determine the longest wavelength of light that can be emitted by a transition that ends at E4 for a doubly ionized lithium ion? Discuss how do you calculate for the shortest wavelength?
Determine the hydronium ion concentration and the pH when the 50.0mL of 0.40M NH3 is mixed with 50.0 mL of 0.40M HCl. Show the equation for the reaction in terms of the hydronium ion.
Determine the particle pressure of H2 I2 HI in the flask at equilibrium. 1.00 Liter Flask containing 1.00 moles H2 2.00 moles I2 at 448C Kp= PHI2/PH2PI2
Calculate the mass of NO2 in the final equilibrium equation when 50.0g of N2O4 is added to an evacuated 2.00L vessel and allowed to come to equilibrium with its decomposition product, N2O4(g) <-&
The Cylinder of mass 20 lbs, radius 5in and height 10in is spinning about the axis of symmetry (central axis) at 200 rpms. Determine torque needed to stop it from spinning?
Determine the initial molar concentration of I- if the 3.0 mL of 0.30 M KI is mixed with 2.0 mL of deionized water, 1.0 mL buffer solution, 1.0 mL of 0.02 M Na2S2O3, and 3.0 mL o
What percentage of this Krypton remains after 50years? A nuclear power plant emits into the atmosphere a very small amount of 85 Krypton, a radioactive isotope with a half-life10.76 years.
Calculate the numbers of mL of o.255 M solution of H2SO4 is required to react with the 40.6 g of Fe (OH)3 according to the following unbalanced reaction:
If the photon emitted has a wave length of 434nm, what is the value of ni when an electron in the hydrogen atom makes a transition from an energy state of principal quantum numbers ni to the n=2s
Estimate the properties of an aqueous solution of 1.21 x10-7 M sodium hydroxide and 1.35 x 10-4 M hydrochloric acid in the presence of 0.10 M sodium chloride.
For N = 7, one solution is 9 as 7 x 9 + 1 = 64 = 82. But there are many more. Find another one? Find the way to generate as many as you like?
Interpret the result. Specifically, what kind of demand elasticity is it and what co-efficient of elasticity indicates when price went down?
Oscillator will be used to run the clock at the remote location for 10 years. Determine maximum error, in seconds, clock could have at end of that time? Illustrate the calculations and/or reasoning.
If Placebo had the total net income for year of $8,000,000 and 24,000,000 share of common stock outstanding before stock dividend, determine firms earnings per share?
Depreciation expense was $100,000 and interest expense for year was $10,000. Firm's tax rate is 30%. Determine dollar amount of taxes paid?
The urn selected at random and the ball is drawn from selected urn. If ball turns out to be purple, find probability that urn A was selected?