On a math contest, the short answer part composed of 8 problems has this scoring system:...
Part B: Short Answer and Problem Solving Questions Show your work for all calculation problems. Report your answer with correct number of significant figures. 1. 10.0 g of aluminum metal (specific heat, 0.902 J/g.K), initially at 100.0°C, is dropped into 40.0 g of water (specific heat, 4.184 J/g.K), initially at 25.0°C. What is the final temperature of the system in °C?
Post-lab Questions Part 2 8. Among the elements, hydrogen has the least massive atoms. An atom of hydrogen has an average mass of 1.66 x 10-24 g. This mass is very small, but remember it is only one atom which is composed of one proton and one electron! What is the relative mass of hydrogen if it is the least massive element? 9. How do the atomic masses found on the periodic table compare to the relative masses you calculated?...
Problems and Exercises 1 through 5 are based on the class schedule 3NF relations along with some sample data in Figure 7-16. For Problems and Exercises 1 through 5, draw a Venn or ER diagram and mark it to show the data you expect your query to use to produce the results.Figure 7-16: Class scheduling relations (for Problems and Exercises 1-5Figure 7-17 Adult literacy program (for Problems and Exercises 6-14)1. Write SQL retrieval commands for each of the following queries:a....
please complete both problems Brief Exercise 6-8 (Static) Performance obligations; warranties (LO6-5) Vroom Vacuums sells the Tornado vacuum cleaner. Each Tornado has a one-year warranty that covers any product defects. When customers purchase a Tornado, they also have the option to purchase an extended three-year warranty that covers any breakage or maintenance. The extended warranty sells for the same amount regardless of whether it is purchased at the same time as the Tornado or at some other time. How many...
Part 2, Short Answer, 8 points, 2 points each Answer "A" or "B" or "AB" for each of the following. Put your answer in the column to the rig NO CALCULATIONS NEEDED. 14.Investor A deposits S20 per month for 5 vears Investor B deposits 5240 per year for 5 years. W deposits $240 per year for 5 years. Which investor will e have more money at the end of 5 years? 15. Investments A and B have cash flows of...
PART A 21 MARKS SHORT ANSWER QUESTIONS Answer ALL questions from this part. Write your answers in the Examination Answer Booklet. Each question is worth 1.5 marks (14 x 1.5 = 21 marks). Question 1 An organisation has been granted a block of addresses with the mask /22. If the organisation creates 8 equal-sized subnets, how many addresses (including the special addresses) are available in each subnet? Show your calculations. Question 2 Give an example of a valid classful address...
This is about database system. Thank you. Question A1 You are given with three Oracle tables, namely, Program, Channel and Booking, as shown in Tables 1 to 3. PROGRAM_ID PROGRAM_NAME DURATION 2012022 Dragon Dance 2014063 Haunted House 2016005 CID 2017172 Kung Fu Master 2018322 Family Affair 2019006 Hong Kong Sites 2019113 2019 Singing Contest 25 58 45 28 68 120 75 Table 1: Program CHANNEL_NO CHANNEL_NAME TVR-1 Rediffusion Channel 1 TV-P Television Pearl Channel TV-G Television Gold Channel Table 2:...
8-9 BT IL short answer and computation problems, each problem's point value is indicated before the problema 8) (3) For the following four correlations, rank them in order from the strongest to the weakest relationship. a. -0.25 b. 0.75 Strongest 2nd strongest 3rd strongest Weakest c.0.50 d. +0.10 9) (5) Using a 10-point scale, two managers independently rate the performance of the same five salespeople. The ratings appear below. Higher scores indicate better performance 101 9 B 7 6 5...
SHORT ANSWER. Write the word or phrase that best comple tes each statement or answers the question. Use the given information to find the minimum sample size required to estimate an unknown population mean 7) Margin of error: $135, confidence level: 95%, σ-S500 MULTIPLE CH OICE. Choose the one alternative that best completes the statement or answers the question. Use the given degree of confidence and sample data to construct a confidence interval for the population mean μ Assume that...
Approximation At some point, scientists are confronted with the recognition that some math problems do not have exact answers. This is very different than the math we learn in high school and college, which typically represents math as a construction that only has exact answers (2 + 2 = 4 and not any other number) What is the expected time of diffusion of biologically important molecules at different scales? There is no exact answer to a question like how long...