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At 650 K, the reaction MgCO3(s)⇌MgO(s)+CO2(g) has Kp=0.026. A 14.3 L container at 650 K has 1.0 g of MgO(s) and CO2 at P = 0.0260 atm. The container is then compressed to a volume of 1.00 L . |
Part A Find the mass of MgCO3 that is formed. Express your answer with the appropriate units. |
In: Chemistry
Calculate the pH of a 0.587 M aqueous solution of phenol (a weak acid) (C6H5OH, Ka = 1.0×10-10) and the equilibrium concentrations of the weak acid and its conjugate base
Calculate the pH of a 0.0183 M aqueous solution of acetylsalicylic acid (HC9H7O4, Ka = 3.4×10-4) and the equilibrium concentrations of the weak acid and its conjugate base
In: Chemistry
You mix 5.00 mL of 1.0 x 10-5M AgNO3 with 10.00mL of 2.00M NH3 solution resulting in the formation of the diamminesilver(I) complex ion, [Ag(NH3)2]+. (Assume volumes are additive.)
a) Write the net-ionic equilibrium equation for the formation of this complex ion.
b) Calculate the concentration of the complex ion in the reaction mixture.
In: Chemistry
A styrofoam cooler has a total area(including the lid) of 1.0m^2 and a wall thickness of 1.0 cm. It is filled with ice, water, and cans of ice-tea. They are at a temperature of 0 degrees celsius.
a) What is the rate of heat flow into the cooler if the temperature of the outside is 20 degrees celsius?
b) How much ice melts in one hour?
In: Physics
please show work
What should be the Beta of a replacement stock if an investor wishes to achieve a portfolio Beta of 1.0 by replacing Stock B in the following equally weighted portfolio: Stock A = .9 Beta; Stock B = 1.1 Beta; Stock C = 1.35 Beta?
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1.18 Beta |
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1.26 Beta |
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1.00 Beta |
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0.75 Beta |
In: Finance
Consider a 2-year Treasury bond with a face value of $100 and
that pays coupons at a rate of 6% semiannually. What is the bonds
par yield given the following Treasury zero rates?
Maturity (years) Zero rates
0.5
3.0%
1.0
3.3%
1.5
3.6%
2.0 3.9%
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a) 3.89% |
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| b)3.99% | ||
| c)4.19% | ||
| d)4.39% |
In: Finance
You obtain the following information for the IYR Inc.'s common stock:
Quarterly dividend 5 years ago=1.0
Quarterly dividend just paid = 1.276
P0 = 30.0
Assuming that the stock is priced in equilibrium, what is IYR's cost of common stock?
a. 16.44%
b. 18.93%
c. 22.86%
d. 20.65%
e. 14.71%
In: Finance
A generator whose reference voltage is 1 [_0 ° pu, feeds a load of 150 Mwatts and 50 Mvars through a lossless line whose reactance is j 0.15 in pu based on 100 MVA.- Find the value of the voltage in the load (magnitude and angle) for the first iteration using the Newton Raphson method assuming an initial stress of 1.0 [_0 °
In: Electrical Engineering
In: Physics
Q: A child is running at her maximum speed of 4.0 m/s to catch an ice-cream truck, which is stopped at the side of the road. When the child is 20 m from the truck, the ice-cream truck starts to accelerate away at a rate of 1.0 m/s2 . Does the child catch the truck? solve this problem algebraically and graphically.
In: Physics