Numerade

Questions asked

BEST MATCH

The decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30°C: $N_2O_5 \rightarrow 2NO_2 + \frac{1}{2}O_2$ is first-order in $N_2O_5$. In one experiment, when the initial concentration of $N_2O_5$ was 1.44 M, the concentration of $N_2O_5$ dropped to 0.442 M after 188 minutes had passed. Based on these data, what is the rate constant (in min?¹) for the reaction?

View Answer

BEST MATCH

Question 17 0/1 pts For normal incidence, if the intensity transmission coefficient is 96% and the propagation speed of medium 1 is 5m/sec and medium 2 is 15m/sec, what is the intensity reflection coefficient? 2% 4% 6% 8%

View Answer

BEST MATCH

how has the diversity of respiratory systems among arthropods, such as tracheal systems, book lungs, and gills, allowed them to adapt to various terrestrial, aquatic, and aerial niches?

View Answer

BEST MATCH

Question 13 Hofstede's uncertainty avoidance dimension considered 0.5 pts the extent to which different cultures socialized their members into accepting ambiguous situations and tolerating uncertainty. the relationship between gender and work roles. how a society deals with the fact that people are unequal in physical and intellectual capabilities. the relationship between the individual and his or her fellows.

View Answer

BEST MATCH

Solve the system of equations by using the inverse of the coefficient matrix of the equivalent matrix equation. x+6y = -33 2x+3y=-21 The inverse of matrix A, $A^{-1}$, is $oxed{ }$. (Type an integer or simplified fraction for each matrix element.) The solution of the system is $oxed{ }$. (Type an ordered pair.)

View Answer

BEST MATCH

This Assignment uses data from the 2011-12 National Health and Nutrition Examination Survey (NHANES), a study of health and disease in the full population of the USA. There are two variables: DaysPhysHlthBad - Self-reported number of days participant's physical health was not good out of the past 30 days. Reported for participants aged 12 years or older. DaysMentHlthBad - Self-reported number of days participant's mental health was not good out of the past 30 days. Reported for participants aged 12 years or older. 3. Are the linear and quadratic trend lines very different from each other? Based on the trend, describe what you think the association is between DaysMentHlthBad and DaysPhysHlthBad? (3 MARKS) DaysMentHlthBad versus DaysPhysHlthBad DaysMentHlthBad 30 25 20 15 10 5 0 0 5 10 15 20 25 30 DaysPhysHlthBad 3881 missing values (3675 in DaysPhysHlthBad, 3873 in DaysMentHlthBad) linear quadratic

View Answer

BEST MATCH

7. Let A be a subset of a universal set U. Using $A \triangle B = (A - B) \cup (B - A)$, show that [2 pts] a) $A \triangle A = \emptyset$ b) $A \triangle \emptyset = A$

View Answer

BEST MATCH

Q2. Microeconomics: Elasticity, Tax and Decision Making Suppose you work as a market analyst and your market research for coffee and orange juice reveals the following data about demand and supply in the U.S. Price elasticity of Income elasticity demand of demand PED YED Cross-price clasticity of demand (XED) Price elasticity of supply PES Coffee 1.0 0.9 -0.4 0 Orange juice 2.1 2.5 -0.5 1.3 Answer the following questions based on the data above. (a) Is the demand curve for orange juice elastic or inelastic? (b) Using the income elasticity of demand information, what can you conclude about type of good orange juice is? It is good. (c) What can you conclude about the relationship between coffee and orange juice? They are (d) If you increase the price of coffee by 10%, what will be the impact on the sales revenue of coffee? Revenue will (e) If your CEO wants you to come up with a pricing strategy to increase the sales revenue of orange juice, what pricing strategy should you propose? I would the price of orange juice. (f) If the price of coffee goes up by 10%, what will be the impact on the demand for orange juice? It will (Hint: XED = % change in Quantity demanded of good A divided by % change in Price of good B) (g) Draw a graph to show the market for coffee. Make sure you show clearly the shape of the demand curve and the shape of the supply curve of coffee. (h) Draw a graph to show the market for orange juice. Show clearly the shape of the demand and supply curves. Assume the government imposes a tax on sellers of orange juice. Show on the graph how this impacts the market for orange juice. Show clearly the tax burden on the sellers and the tax burden on the buyers. Explain the results.

View Answer

BEST MATCH

(20 points) By integrating the Gibbs-Helmholtz ea\between temperature T1 and T2, and assume ?H is\temperature independent, (a) show\$\Delta G(T_2) = \Delta G(T_1)\frac{T_2}{T_1} + \Delta H\left(1 - \frac{T_2}{T_1}\right)$, (b) calculate ?G\and ?H for N$_2$(g) +3H$_2$(g) \? 2NH$_3$(g) from ?G$_f$ and ?H$_f$\and estimate ?G at 500K and 1000K. ?G$_f$(HN$_3$) =\-16.45 kJmol$^{-1}$ and ?H$_f$(HN$_3$) = -46.11 kJmol$^{-1}$

View Answer

BEST MATCH

Part 1: True or False—write down true or false for each statement (1 point for each question, 8 points in total) 1. You hold a winning ticket from your provincial lottery. It entitles the bearer to receive payments of $50,000 at the end of each of the next 20 years. Given what you know about the time value of money, you should be able to sell this ticket for no less than $1 million in the open market. 2. Annuities where the payments occur at the end of each time period are called annuities due, whereas ordinary annuities refer to annuity streams with payments occurring at the beginning of each time period. 3. Failure to pay either the interest payments or the bond principle as agreed can cause a firm to go into bankruptcy. 4. The yield to maturity will be greater than the coupon rate when a bond is selling at a premium. 5. All else the same, if interest rates fall, the percentage price change for long-term bonds will be greater than for short-term bonds. 6. All else equal, the market value of a corporate bond is always inversely related to its coupon rate. 7. Jamie deposits $1,000 into an account that pays 4% interest compounded annually. Chris deposits $1,000 into an account that pays 4% simple interest. Both deposits were made today. Chris will never earn any interest on interest. 8. Assume you are considering two bonds identical in every way but for coupon frequency—bond A pays interest annually, and bond B pays interest semi-annually. Then, if they have the same price, the yield-to-maturity on bond A will always be greater than that on bond B.

View Answer

andrea m.