Numerade

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b.) How can you explain the difference you observe between the theoretical pH and actual pH of the buffer solution? Give at least two explanations for full credit.

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4. Use the Superposition theory to explain how various simple flows can be combined to form more complex flows. Show how the combination of three flows can form a Rankine oval. Diagrams must be included as well as a mathematical representation.

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Construct deterministic finite automata for the following languages. a) {w? {0, 1}*: w contains exactly two 0's} (2 points) b) {w? {0, 1}*: w contains an even number of 0's and an odd number of 1's} (2 points) c) {w? {0, 1}*: the length of w is even and w contains 0's at all the odd positions} (3 points) d) {w? {0, 1}*: w contains 01$^m$0 as a substring where m is divisible by 3} (3 points) e) { w? {0, 1}*: w contains 0's and 1's in alternate} (2 points) f) { w? {0, 1}*: the last two symbols of w are the same} (3 points)

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Percent or Respondents 80% ? Online Retailers #REF! Mass Merchandise Stores Toy Stores Department Stores 70% 60% 50% 40% 30% 20% 10% 0% 2022 2021 Year 2020 FIGURE 14.20 A Bar Chart of Data for Critical Thinking Question 1

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QUESTION 1 During a titration, a 10.0 mL sample of aqueous hydrochloric acid required 19.17 mL of 0.214 M sodium hydroxide to reach the endpoint. What is the molarity of the hydrochloric acid solution? Report your answer with the proper number of significant figures, but do not include the units because the computer will not recognize them. QUESTION 2 During a titration, a 10.0 ml sample of aqueous sulfuric acid required 21.54 mL of 0.340 M sodium hydroxide to reach the endpoint. What is the molarity of the sulfuric acid solution? Report your answer with the proper number of significant figures, but do not include the units because the computer will not recognize them.

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Homework #2: Due: September 11, 2020 Points: 20 Question 1 [10 points]. Modular Arithmetic: Compute the following without a calculator: i. 243 * 154 mod 10 (Hint: a*b mod c = ((a mod c) * (b mod c)) mod c) ii. 8 * (3/17) mod 10 (Hint: In mod system, a, a+10, a+20, a+30, a+40, etc. are all equal) iii. 8$^{12}$ * 7$^{14}$ mod 10 iv. 8$^{12}$ * 7$^{14}$ mod 17 Question 2 [10 points]. i. Show the elements of groups $Z_{14}$ and $Z^*_{14}$ ii. Find the order of 9 in $Z_{14}$ iii. Find (if it exists) the multiplicative inverse of 5 $\in$ $Z_{14}$ (integer ring) iv. Is $Z^*_{14} = \{1, 3, 5, 9, 11, 13\}$ a cyclic group? If so, what is its order and the generator element? What to submit? Submit a pdf file with your answers via the Blackboard. Show your work

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(1) We have two new conservative appointments to the US Supreme Court because President Trump made the last two appointments. Select one: • A. The passage contains an argument. The conclusion is: We have two new conservative appointments to the US Supreme Court. B. The passage contains an argument. The conclusion is: President Trump made the last two appointments to the US Supreme Court. C. The passage is just a conditional statement. D. The passage is an explanation of a commonly accepted claim. E. The passage is a report of an argument. F. No particular claim is supported by evidence. Your answer is incorrect.

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7. An adventurous archaeologist of mass 85.0 kg tries to cross a river by swinging from a vine. The vine is 10.0 m long and his speed at the bottom of the swing is 8.00 m/s. (a) What is the centripetal acceleration of the archaeologist at the bottom of the swing? (b) The vine has a breaking strength of $1.00 \times 10^3$ N. Does he make it across the river?

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Subthreshold Swing [mV/dec] 160 140 • 0.4 Swing DIBL 0.3 120 100 Swing Criteria. 0.2 80 0-0000 DIBL Criteria. 0.1 60 .. 40 0.0 3 4 5 6 7 8 9 L$_g$/T$_{si}$ DIBL [V/V] Fig. 3. Dependence of subthreshold and DIBL on L$_g$/T$_{si}$ ratio.

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To protect their investment, bondholders could _____ with an exercise price equal to the amount of the debt. a. buy a call option b. write a call option c. purchase a put option d. write both a put and a call option e. sell a put option

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wayne r.