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michael ruiz

michael r.

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The specific heat capacity of a pure substance can be found by dividing the heat needed to change the temperature of a sample of the substance by the mass of the sample and by the change in temperature. The heat capacity of a certain substance has been measured to be 3.37J·g°C . Suppose 114.g of the substance are heated until the temperature of the sample has changed by 41.1°C . Write an equation that will let you calculate the heat Q that was needed for this temperature change. Your equation should contain only symbols. Be sure you define each symbol. Your equation: =Q Definitions of your symbols: =3.37J⋅g°C =114.g =41.1°C

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The side product of nitrogenase activity produces ___ .A. AmmoniumB. O2C. H2D. ATPE. All of the above

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Slope: 54 Y-intercept: (0, -1)

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Which is NOT true for comparing multiple linear regression (MLR) and simple linear regression (SLR)? o The MSE for an MLR model will be smaller than MSE for an SLR model. o A lower mean squared error (MSE) always implies a better fit. o R2 will have a smaller MSE o Polynomial regression will have a smaller MSE than regular regression

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Which population is most likely to survive a disturbance in their ecosystem?

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$2a^3 + 5a^2 - 12a - 30 = 0$ \newline $a = $

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5="absolutely yes" Student responses were recorded. "Blank" indicates that a student skipped this question on the evaluation. 3 4 #28: 2 #46: #1: #2: #3: #4: #5: #6: #7: #8: #9: Blank #10: Blank #11: 4 #12: Blank 0 5 4 5 2 Mean = 4 #13: #14: #15: #16: #18: Blank 5 1 Blank 1 Blank #22: 5 #19: #20:⁰ #21: Choose File No file chosen #23: #17: Blank #26: #24: #25: Blank #27: 2 1 2 Enter an integer or decimal number [more..] 1 3 Blank 5 5 #29: #30: 3 #31: #32: #33: #34: #35: Blank #36: 1 #37: Ratings 5 Blank 1 4 #40: 5 4 #38: 5 #39: #41: #42: #43: #44: Blank # 45: Part B: What was the mean score? Round your answer to the nearest hundredth. 1 Blank 5 #48: 4 5 Blank Part A: Create and upload a dotplot, representing the frequencies of each outcome. Sample scale provided below. Blank #47: 5 #51: 1 #49: #50: #52: #53: Blank 1 5 4 5 5 1 5 #54: Blank Part C: Let's assume that the students who skipped the question did not really like or dislike the professor. Which rating should they have chosen?

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I On October 17, a note payable is used to replace a $90,000 overdue account payable that does not bear interest. The customer agrees to pay $25,000 cash and sign a 60-day, 15% note to replace the account payable. The customer's entry to record this transaction would be: Particulars Debit On December 31, the customer's year end, an interest accrual is made. The customer's entry to record this accrual would be: Particulars Debit On January 16, the note's due date, the note and interest is paid in full. The customer's entry to record this would be: Particulars Debit Credit Credit Credit

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Remaining Time: 26 minutes, 28 seconds. Question Completion Status: CNC 50 60 70 80 90 100 110 12 13 14 15 16 17 Moving to another question will save this response. Question 28 The additional output that can be produced by adding one more unit of a specific input is called. Marginal product Avergae product Total product Total cost Moving to another question will save this response.

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Write the formula for each of the following simple binary ionic compounds. a. cobalt(II) chloride CoCl$_2$ b. cupric chloride c. mercury(II) oxide d. lithium chloride

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