HQ12.13 Homework. Unanswered What is the mass percent of ethanol (CH3CH2OH) if 0.0750 moles of ethanol...
What is the mass percent of ethanol (CHCHOH) if 0.0757 moles of ethanol is added to 0.336 kg of water?
с Homework – Unanswered A doubly charged helium atom whose mass is 6.6x10^-27 kg is accelerated by a voltage V=2700.0 V and enters the area of magnetic field perpendicular to its velocity B=0.20 T. What is its period of revolution? Numeric Answer: Unanswered • 5 attempts left Submit D Homework. Unanswered An electron enters uniform magnetic field B=0.30 T at angle 45 degrees to B with speed v=1.5*10^6 m/s. Find pitch (distance between loops) of the electron's helical path. Numeric...
Price ($ per ride) Rides (thousands) Question 2 Homework. Unanswered In the market above, what is the consumer surplus? (S) Numeric Answer: Question 3 Homework. Unanswered In the market above, what is the producer surplus? ($) Numeric Answer: Unanswered 3 attempts left Submit Question 4 Homework - Unanswered In the market above, what are the total gains from trade? (S) Numeric Answer:
Part (a) Homework. Unanswered We have a rather small solar sail, which has a mass of 30.0 kg, and a sail area of 60000 m. At a particular distance from the Sun, the Sun's gravitational field is 0.004 N/kg, and the intensity of sunlight is 1000 W/m². Assuming the plane of the sail is perpendicular to the incident light, and the light is 100% reflected, what is the magnitude of the force exerted on the sail by the light? N...
Ethanol (CH3CH2OH) has a normal boiling point of 78.3℃ When subjected to a pressure of 3.00 atm, ethanol boils at 110.4°C. What is the AHvaporization for ethanol? Numeric Answer Unanswered Submit
Question 5 Homework. Unanswered A company has announced total revenues of $314 million, gross profits of $150 million, operating income of $130 million, and net income of $49 million. What is its net profit margin? Answer in percent, rounded to one decimal place. (e.g., 26.73% = 26.7) Numeric Answer: Unanswered 3 attempts left Submit Question 6 Homework. Unanswered What is the free cash flow of a firm with revenues of $314 million, operating profit margin of 39%, tax rate of...
Question 3 Homework. Unanswered You own a bond portfolio worth $51,000. You estimate that your portfolio has an average YTM of 5.9% and a Modified Duration of 14 years. If your portfolio's average YTM were to decrease by 4 basis points, how much would the value of your portfolio change? Round to the nearest cent. (Hint: Answer is positive if the portfolio value increases and negative if the value decreases] Numeric Answer: Unanswered 3 attempts left Submit Question 4 Homework....
Question 2 Homework. Unanswered A semi-annual coupon bond has MacD of 25.3 years, yield-to-maturity of 5.3%, and price of $1135.71. What is its DV01? Answer in dollars, rounded to three decimal places. Numeric Answer: Unanswered 3 attempts left Submit Question 3 Homework Unanswered You own a bond portfolio worth $51,000. You estimate that your portfolio has an average YTM of 5.9% and a Modified Duration of 14 years. If your portfolio's average YTM were to decrease by 4 basis points,...
HQ19.05 Homework. Unanswered An 160 nucleus has a radius of 3.5 x 10-13 cm. The actual mass of an 160 nucleus is 15.9949 amu. Determine the density of an 160 nucleus, in g/cm3. Assume that the 160 nucleus is spherical. 1.0000 amu = 1.6605 x 10-24g Numeric Answer: Unanswered . 2 attempts left Submit
answer with two sig figs scientific notation QB 15.10 Level 1 Homework. Unanswered In an aqueous solution, if the [OH-] is 7.5E-9 M what is the [H30+)? 0 Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105) Numeric Answer: Unanswered . 2 attempts left Submit In an aqueous solution, if the [H3O+] is 7.1E-9 M what is the [OH-]? Respond with the correct...