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A student is given the following questione "What is the mass of a gold bar that...
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(A) Given the below plot answer the following questions. Report answers to 3 sig figs. The distance is the distance traveled in the x direction. 100 60 40 20 10 Time (S) 4.00 s and t 9.00 s? (A) What is the average velocity for the object in the x-direction between t (report your answer to 3 sig figs) (B) Draw a solid line on the graph that supports the above calculation done in part (A)....
Problem 4.49 The rigid bar in (Figure 1) is pinned at A and supported by two aluminum rods, each having a diameter of 1.1 in., a modulus of elasticity Eal 10(103) ksi, and yield stress of (oy),1-38 ksi. Part A If the bar is initially vertical, determine the displacement of the end B when the force of 20 kip is applied Express your answer to three significant figures and include appropriate units. 6 0063 Figure < 1011 20 kip Submit...
5. A student is asked to find the rate constant for a first-order reaction, given that (Alo = 10 M and after 20 s the concentration of A is 2.5 M. The student uses the following logic:2 rate = k[A] (for a first-order reaction) So: A[A] – k[A] Δt' Inserting the values gives: (2.5 M - 10 M - 205-05") = k[2.5 M] Solving for k gives 0.15 5-1. a. Do you agree with the student's answer? Why or why...
(20%) Data 1) For all calculations use following specifications A) Show the raw formula solving for the unknown variable B) Substitute into the raw formula with units C) Show final answer with units 2) For all calculations abide by the rules of significant fioures 1) (0%) Complete Table 1 below Microsoft's Equation Editor to show all work for each calculation with the Average Subject of the Tral Initial Final Change in Displacement Displacement (inches) Change in displacement (inches) displacemen (inches)...
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uploaded everything that was given. Where would I find the
experiemental values?
Complete the calculation summary below. READ THE EXPERIMENTAL DISCUSSION FIRST! REPORT ALL ANSWERS TO THE CORRECT SIGNIFICANT FIGURES. SHOW CALCULATION SET-UP on the next page. PART B: Molarity Determination via Solution Stoichiometry 7.625 g Mass of Empty 50 mL Beaker 7.976 g Mass of Beaker and NaCl (final heating) Mass of NaCl Produced (Experimental Yield of NaCl) moles Moles of Na,CO, Consumed 0.00500 Liter Volume of Na,CO,...
1. What is the definition of an 'equivalence point' in an acid/base titration? (1 point) 2. In part one of the experiment, you will prepare the acid solutions being titrated from a stock solution. Describe how you will accurately prepare 10.00 mL of 0.100 M HCl solution using a 1.00 M HCl stock solution. In your response to this question, be very specific about the quantities of stock solution and deionized water to be used in the dilution and the...
Q1 Which of the following are included and which are excluded in calculating this year's GDP. Explain in each instance. a. A monthly scholarship cheque received by an economics student b. The purchase of an almost new tractor by farmer Kojo C. The cashing in of a savings bond d. An increase in business inventories e. Tim Horton's purchases a corner grocery store f. Fearless Qweenie Kong, a stuntwoman, purchases a life insurance policy for a billion dollars ($) g....
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Budgetary Policy and Economic Growth Errol D'Souza The share of capital expenditures in government expenditures has been slipping and the tax reforms have not yet improved the income...