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Question 8 (1 point) Because it is a cancer suspect agent, propyl iodide will be replaced...
Question 35 (1 point) A sound wave has a length of 0.66 meters. If the frequency...
Question 35 (1 point) A sound wave has a length of 0.66 meters. If the frequency of the wave is 512 Hz (high C), what is the wave velocity? Question 35 options: 511 m/sec 776 m/s 0.00129 m/s 338 m/s Question 36 (1 point) A standing wave on a string has a velocity of 42 m/s and a period of 0.01 s. What is the frequency of the wave? Question 36 options: 10 sec 0.42 Hz 100 Hz 260...
correct sig fig number please! Question 49 (1 point) A student runs the reaction below starting...
correct sig fig number please!
Question 49 (1 point) A student runs the reaction below starting with 53 grams of ammonia (NH3). How many grams of water should form? 4 NH3 + 5 O2 - 4 NO + 6 H20 NH3 molar mass = 17.04 g/mol H20 molar mass = 18.02 g/mol Report your answer with the correct number of significant figures. Your Answer: I Answer units Question 50 (1 point) When 6.23 grams of an unknown metal is heated...
Question 1 9 pts Below is a partial data table with the hypothetical amounts of reagents...
Question 1 9 pts Below is a partial data table with the hypothetical amounts of reagents you used for the oxidation of borneol, plus the hypothetic final yield of product you obtained. reagent MW conc(M) d/g/mL) vol(mL) mass (mg) borneol 154.25 118.3 NaCl 1 0.15 Oxone 307.37 232.1 EtOAC 0.897 0.4 camphor 152.24 yield camphor (mg) 99.2 Using these amounts, calculate the following values. Answers should be reported to the correct level of significant figures. Note: equivalents are usually based...
HELP WITH BOTH PLEASE Question 1 (1 point) A simple pendulum consists of a bob of...
HELP WITH BOTH PLEASE
Question 1 (1 point) A simple pendulum consists of a bob of mass 2.0 kg attached to the end of a long string that is free to swing about a pivot point. The bob is released from resta height h- 0.21 m above the bottom of the swing, as shown. What is the speed of the bob at the bottom of the swing? Your answer should have one digit after the decimal point. Your Answer: Answer...
Question 1 (1 point) Suppose that in a perfectly competitive market, demand is given by Q=54.0-P...
Question 1 (1 point) Suppose that in a perfectly competitive market, demand is given by Q=54.0-P and supply is given by Q=P-36.0. What is aggregate surplus in the competitive market equilibrium? No units, no rounding. Your Answer: Your Answer View hint for Question 1 Question 2 (1 point) Suppose that in a perfectly competitive market, demand is given by Q=71.0-P and supply is given by Q=P-31.0. The government imposes a per-unit excise tax of $1 on the good. What is...
Question 4 of 4 (1 point) View problem in a pop-up Watch your cholesterol: The mean...
Question 4 of 4 (1 point) View problem in a pop-up Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 195, with a standard deviation of 34 (the units are milligrams per deciliter). A simple random sample of 103 adults is chosen. Use Table A.2 if needed Part 1 out of 3 What is the probability that the sample mean cholesterol level is greater than 200? The probability that the sample mean cholesterol level is greater than...
Question 8 (1 point) Saved The Company purchased a machine on January 1st for $693,922. The...
Question 8 (1 point) Saved The Company purchased a machine on January 1st for $693,922. The machine has an expected useful life of 8 years and an expected salvage value of $94,153. The company expects to produce 3,601 units in the first year of use and 8,469 over the life of the machine. Please calculate the depreciation expense that the company will record in the first year using the units-of-production method of depreciation. Your Answer: 49.69 Answer Question 9 (1...
Question 8 (1 point) If 248.9 g of methane gas (CH4) is reacted with 306.1 g...
Question 8 (1 point) If 248.9 g of methane gas (CH4) is reacted with 306.1 g of steam (H20 (g)) to produce hydrogen gas and carbon monoxide gas, then what is the maximum mass in grams of hydrogen gas that can be produced? CH4(8) + H2O(g) + 3H2(g) + CO(g) Report your answer to 2 decimal places. No marks for units. Your Answer: Answer units Question 9 (1 point) Nitrogen gas reacts with hydrogen gas to produce ammonia gas (NH3)....
Answer units Question 4 (1 point) You are given Vi 0.00 (consider this exact, no uncertainty),...
Answer units Question 4 (1 point) You are given Vi 0.00 (consider this exact, no uncertainty), and Vf = 1.95 ± 0.06 m/s, and Az 0.42 0.03 m. Find the percent uncertainty in the acceleration. (Hint: Use what is explained on the last page of Uncertainty Analysis Explained.) Your Answer: Answer units Question 5 (1 point) 0.02 m/s, and You are given V,-0.00 (consider this exact, no uncertainty), and Vf-1.03 : O.41 0.01 m. Find the absolute uncertainty in the...
ework #01 h: Next Page Page 10 of 10 Question 10 (1 point) (This question will...
ework #01 h: Next Page Page 10 of 10 Question 10 (1 point) (This question will require some thinking- we haven't learned how to solve this type of questions and it's hard to conceptualize the situation. You might want to tackle this question the last.) The nominal rate (APR) for a particular financial product is 7.85%, with continuous compounding, meaning that compounding never stops and the number of total compoundings is infinite in a year! what's the EFF% of this...
correct sig fig number please!
Question 49 (1 point) A student runs the reaction below starting with 53 grams of ammonia (NH3). How many grams of water should form? 4 NH3 + 5 O2 - 4 NO + 6 H20 NH3 molar mass = 17.04 g/mol H20 molar mass = 18.02 g/mol Report your answer with the correct number of significant figures. Your Answer: I Answer units Question 50 (1 point) When 6.23 grams of an unknown metal is heated...
Question 1 9 pts Below is a partial data table with the hypothetical amounts of reagents you used for the oxidation of borneol, plus the hypothetic final yield of product you obtained. reagent MW conc(M) d/g/mL) vol(mL) mass (mg) borneol 154.25 118.3 NaCl 1 0.15 Oxone 307.37 232.1 EtOAC 0.897 0.4 camphor 152.24 yield camphor (mg) 99.2 Using these amounts, calculate the following values. Answers should be reported to the correct level of significant figures. Note: equivalents are usually based...
HELP WITH BOTH PLEASE
Question 1 (1 point) A simple pendulum consists of a bob of mass 2.0 kg attached to the end of a long string that is free to swing about a pivot point. The bob is released from resta height h- 0.21 m above the bottom of the swing, as shown. What is the speed of the bob at the bottom of the swing? Your answer should have one digit after the decimal point. Your Answer: Answer...
Question 1 (1 point) Suppose that in a perfectly competitive market, demand is given by Q=54.0-P and supply is given by Q=P-36.0. What is aggregate surplus in the competitive market equilibrium? No units, no rounding. Your Answer: Your Answer View hint for Question 1 Question 2 (1 point) Suppose that in a perfectly competitive market, demand is given by Q=71.0-P and supply is given by Q=P-31.0. The government imposes a per-unit excise tax of $1 on the good. What is...
Question 4 of 4 (1 point) View problem in a pop-up Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 195, with a standard deviation of 34 (the units are milligrams per deciliter). A simple random sample of 103 adults is chosen. Use Table A.2 if needed Part 1 out of 3 What is the probability that the sample mean cholesterol level is greater than 200? The probability that the sample mean cholesterol level is greater than...
Question 8 (1 point) Saved The Company purchased a machine on January 1st for $693,922. The machine has an expected useful life of 8 years and an expected salvage value of $94,153. The company expects to produce 3,601 units in the first year of use and 8,469 over the life of the machine. Please calculate the depreciation expense that the company will record in the first year using the units-of-production method of depreciation. Your Answer: 49.69 Answer Question 9 (1...
Question 8 (1 point) If 248.9 g of methane gas (CH4) is reacted with 306.1 g of steam (H20 (g)) to produce hydrogen gas and carbon monoxide gas, then what is the maximum mass in grams of hydrogen gas that can be produced? CH4(8) + H2O(g) + 3H2(g) + CO(g) Report your answer to 2 decimal places. No marks for units. Your Answer: Answer units Question 9 (1 point) Nitrogen gas reacts with hydrogen gas to produce ammonia gas (NH3)....
Answer units Question 4 (1 point) You are given Vi 0.00 (consider this exact, no uncertainty), and Vf = 1.95 ± 0.06 m/s, and Az 0.42 0.03 m. Find the percent uncertainty in the acceleration. (Hint: Use what is explained on the last page of Uncertainty Analysis Explained.) Your Answer: Answer units Question 5 (1 point) 0.02 m/s, and You are given V,-0.00 (consider this exact, no uncertainty), and Vf-1.03 : O.41 0.01 m. Find the absolute uncertainty in the...
ework #01 h: Next Page Page 10 of 10 Question 10 (1 point) (This question will require some thinking- we haven't learned how to solve this type of questions and it's hard to conceptualize the situation. You might want to tackle this question the last.) The nominal rate (APR) for a particular financial product is 7.85%, with continuous compounding, meaning that compounding never stops and the number of total compoundings is infinite in a year! what's the EFF% of this...
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