Water is flowing down through the pipe shown in the drawing. Point A is at the higher elevation, while B and C are at the same elevation. The cross-sectional areas are the same at A and B. Rank the pressures at the three points, largest first. C has a larger diameter than the other two.

Whether or not it is moral for the government to force businesses to shut down during the pandemic using utilitarianism.

Mr. Smith is purchasing a $ 120000 house. The down payment is 20 % of the price of the house.
He is given the choice of two mortgages:

a) a 20-year mortgage at a rate of 9 %.
Find
(i) the monthly payment: $  
(ii) the total amount of interest paid: $  

b) a 15-year mortgage at a rate of 9 %.
Find
(i) The monthly payment: $  
(ii) the total amount of interest paid: $

Mr. Smith is purchasing a $ 160000 house. The down payment is 20 % of the price of the house.
He is given the choice of two mortgages:

a) a 20-year mortgage at a rate of 10 %.
Find
(i) the monthly payment: $

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Equation Editor

(ii) the total amount of interest paid: $

equation editor

Equation Editor

b) a 15-year mortgage at a rate of 10 %.
Find
(i) The monthly payment: $

equation editor

Equation Editor

(ii) the total amount of interest paid: $

Air flows down a pipe with a diameter of 0.15 m. At the inlet to the pipe, the Mach number is 0.1, the pressure is 70 kPa, and the temperature is 35°C. If the flow can be assumed to be adiabatic and if the mean friction factor is 0.005, determine the length of the pipe if the Mach number at the exit is 0.6. Also, find the pressure and temperature at the exit to the pipe.

For each of the following reactions, write down the rate of the reaction in terms of the appearance of products and disappearance of reactants a) 2 N2O5(g) → 4 NO2(g) + O2(g) b) CH3Cl (g) + 3 Cl2(g) → CCl4 (g) + 3 HCl (g) 2. Given the following balanced equation, determine the rate of reaction with respect to [O2].

2 O3(g) → 3 O2(g)

3. Given the following balanced equation, determine the rate of reaction with respect to [SO3]. If the rate of O2 loss is 3.56 × 10N3 M/s, what is the rate of formation of SO3? 2 SO2(g) + O2(g) → 2 SO3(g)

4. What is the overall order of the following reaction, given the rate law? 2 X + 3 Y → 2 Z Rate = k[X]1[Y]2 What will happen to the Rate of the concentration of Y is doubled?

7. For a particular first order reaction, it takes 120.0 min for the concentration of the reactant to drop to 15% of its initial value. What is the rate constant for this reaction?

8. How many half lives are required for the concentration of reactant to decrease to 25% of its original value?

9. Fluorine 18 undergoes positron emission with a half life of 1.10 × 102 minutes. If a patient is given a 248 mg dose for a PET scan, how long will it take for the amount of fluorineN18 to drop to 83 mg? (Assume that none of the fluorine is excreted from the body.)

10. The second order decomposition of HI has a rate constant of 1.80 × 10N3 M-1s-1. How much HI remains after 27.3 s if the initial concentration of HI is 4.78 M?

11. The first order rearrangement of CH3NC is measured to have a rate constant of 3.61 × 10^15 s-1 at 298 K and a rate constant of 8.66 × 10N7 s-1 at 425 K. Determine the activation energy for this reaction.

12. The decomposition of NOCl has k= 9.3 x 10N5 MN1 s N1 at 100. °C and k= 1.0 x 10N3 MN1 s N1 at 130 °C. Calculate the value for the activation energy for the decomposition of NOCl.

13. Consider the reaction: CO(g) + Cl2(g) → COCl2(g) The reaction is first order in CO and 3/2 order in Cl2

a) Write down the rate law for this reaction.

b) What will be the rate of the reaction when [CO] = 0.025 M and [Cl2] = 0.015 M, given that the rate constant is 11 MN3/2sN1

c) Calculate the rate when the concentration of CO is increased to 0.10 M and while the concentration of Cl2 is decreased to 0.0010 M

14. The decomposition of NOBr follows second order kinetics. The rate constant is found to be 0.556 MN1 s N1 . If the initial concentration of NOBr in the container is 0.25 M, how long will it take for the concentration to decrease to 0.025 M?

What is the halfNlife of the decomposition when the initial reactant concentration is 0.25 M?

NOTE: There are some N in questions which are typo

PART A

A cylinder, with a piston pressing down with a constant pressure, is filled with 1.90 moles of a gas (n1), and its volume is 40.0 L (V1). If 0.600 mole of gas leak out, and the pressure and temperature remain the same, what is the final volume of the gas inside the cylinder? Express your answer with the appropriate units.

PART B

A sample of gas in a cylinder as in the example in Part A has an initial volume of 52.0 L , and you have determined that it contains 1.40 moles of gas. The next day you notice that some of the gas has leaked out. The pressure and temperature remain the same, but the volume has changed to 13.0 L . How many moles of gas (n2) remain in the cylinder? Express your answer with the appropriate units.

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