(c) Explain with the aid of appropriate diagrams why methylcyclopentane (A) is formed in preference to cyclohexane. (No...
Q1. a. Why is national income equal to GDP? b. Briefly explain, with the aid of diagrams, the aggregate demand and aggregate supply model? c. What is "less than full employment" national income equilibrium? d. Which two principal macroeconomic policies might be applied to achieve full employment equilibrium? e. Explain, with the aid of diagrams, how the policies in (d. above) might be applied. f. Explain, with the aid of diagrams, the consequences of an excessive macroeconomic stimulus.
Q3. a. Explain, with the aid of diagrams, the incidence of a unit sales tax. b. Why might unit sales taxes be levied on alcohol and tobacco products? c. What might be the expected result of a unit sales tax levied on all brands of apple juice?
In your own words, drawing appropriate band diagrams, explain why we need heterojunctions for efficient lasers or LEDs. 1.
In your own words, drawing appropriate band diagrams, explain why we need heterojunctions for efficient lasers or LEDs. 1.
Explain why the following statement is True, False, or Uncertain according to economic principles. Use diagrams where appropriate. A4.7. If the $C exchange rate with the $US was 1 and the $C exchange rate with the Euro was 1.50, while the $US exchange rate with the Euro was 1.25, you could make a fortune trading these currencies.
h Dnd the single-phase load produce an unbalance? C Yes No REVIEW QUESTIONS 1. Explain why the alternator output voltage increases with capacitive loading.(4) Could it be dangerous to connect an alternator to a long transmission line, if the line looks like a capacitor? Explain. (4) 2. Yes D No 3. The rotor of an alternator, at rated power, dissipates more heat at a low power factor (lagging) load than a high power factor load. Explain. (4) 4. If an...
Ochem 2 ch 19-20
Chemistry 2320 Ch 19 and 20-Carboxylic Acids and Derivatives (100 pts) Select the products and the reagents for the following sequence by writing the numbers of the products formed in the box and the letter of the reagents used over the arrows. The order of steps is important. Not all products or reagents will be used. 4. A. CH OH, H2SO, (cat) Number: OH Letter B. Na Cr O H2SO C. Br CO-CH C D. O...
Which statements listed below can explain why a chemical reaction does not take place? concentration of reactants is too low the temperature is too low not enough effective collisions are occurring some of these answers all of these answers For a chemical reaction the rate of the forward reaction is at a maximum when when the concentration of the reactants and products is the same a state of equilibrium is reached the reaction begins the concentration of products is greater...
Show all working clearly and include diagrams where appropriate. Express all answers to the correct number of significant figures and units. A storm approaches an office and the air pressure outside suddenly drops from 1.013 kPa to 0.960 kPa. Before the pressure inside the office has time to change, what is the magnitude of the overall force exerted on an external window of the office with dimensions 1.2 m by 1.8 m? Four people, with a combined mass of 320...
please need help with all the questions and ASAP, thank you
11. Please predict the principle organic product of the following reactions, show stereochemistry where appropriate. Note that some reactions involve isotope-labeled compounds, in those cases the correct isotope must be used. (66') 1. LIAID 2. H,O (1) 18 1) THF (2). CH3Li + 2) HaO NaBH4 (3) CH3OD H2(excess)/Pt (4) d herd (5). - Mg Br D2O diethyl ether Br +Li (6) diethyl ether LICu(CH2CHs)2 Br (7). 1. diethyl...
250 ChemActivity 29 Electrophilic Aromatic Substitution no ChemActivity 29 Part A: Electrophilic Aromatic Substitution (What products are formed when a strong electrophile is added to benzene?) Model 1: (review) Electrophilic Addition of HCI Rani o g cyclohexene carbocation intermediate Run 2 U X benzene This product carbocation intermediate DOES NOT Critical Thinking Questions 1 For Rxn I (above) draw curved arrows showing the mechanism of electrophilic addition of HCl. Include an appropriate carbocation intermediate in the box above. Figure 1:...