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- In an experiment with an Ostwald Viscometer, the times of flow of water and toluene are 45 s and 32.9 s respectively at 30°C. The density of water is 1.002 g/cc. Calculate the density of the toluene in g/ml. (µwater = 0.8916 %3D cP, utoluene = 0.5239 cP) Use 4 decimal places. 0.8853 0.8053 O 0.8080 O 0.8882If Q=96500 Coul and t=8 min ,then I will be The value of Z for the electrolyte ZnCl2 will be O =201.04 microamp Z=65/1 I=12062.5 amp Z=65/2 O =201.04 amp Z=65/2Rapidly cool to 625°C (1155°F), hold at this temperature for 10 s, rapidly cool to 400°C (750°F), hold at this temperature for 5 s, then quench to room temperature. martensite % proeutectoid ferrite bainite fine pearlite austenite i eTextbook and Media
- A student determined that the mass of four pennies was 8.7 grams. Use this information to calculate the number of pennies in a box that contains 2.5 pounds of pennies. Rouund your answer to the nearest whole number. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).ent arch X Aktiv Chemistry ADD FACTOR x( ) 4.82 × 104 10¹2 A laser pulse is 4.82 x 10-2 milliseconds How many nanoseconds is this? 10-⁰ 4.82 x 10-8 10⁰ ns 10 º 4.82 × 10² X Question 30 of 31 4.82 x 10-14 ART ms PeopleSoft session expired 10-12 4.82 x 10-5 10⁰ ANSWER 4.82 x 1016 4.82 x 10-² 4.82 x 101⁰ min 1015 X ? Anthropology and Archaeolo X μs 10³ 4.82 × 10-11 RESET 5 10-3 P 1SrCl, Observations B|I|U X X + fx | ®| D e Normal Activated charcoal observations Normal BIU fx| 田=| || 的|| || In 1. Based on your understanding of color's relationship to wavelength, identify the approximate wavelength of light (nm) emitted by strontium when it was burned. (No quantitative data was collected for this; you are giving an approximate value only, based on what you observed.) Explain your reasoning in full, making sure to cite specific data and observations to support your answer. Normal BIIIU X:| X'|- EE = fx| DI e 2. While boiling potatoes for dinner in salted water, the pot boils over and you notice that the flame on your gas burner turns to bright yellow-orange. How would you explain the appearance of a color in the previously blue flame? Normal BIIU X X + 田=|IT| 3. What would you conclude about chloride based on your results in the flame tests? Xe | X° | → EI fx| fr DI e E E IT E IT Normal BIIU 4. Place the metal solutions you tested in order of increasing energy…
- You have the following data points which belong to a function of the form y = ae, where b can be positive or negative. ม 13.7 29.6 34.6 x 2.00 4.00 5.00 You wish to determine the value of the constant, b, and to do so you will construct a linear plot. What will you plot against what? y-axis label: x-axis label: From the values of x and y in the table above, calculate the values of the three corresponding data points. Click on the graph below, and use the "Freeform Curves" tool to plot the data. Line segments will automatically connect the points. Enter Solution. What is the numerical value of the constant, b?A) Which type of transformation do you perform so that the transformed data resembles a straight line? B) Assume that the appropriate transformation on the data has been performed and that a linear regression line has been fitted to the transformed data, and that its equation is given by y = 0.501147 ⋅ x + 0.454986 The parameters are Vmax = ____________ and Km = ___________. Picture providedYou have a solution containing two metal cations. You want to separate them by slowly and carefully adding a solution of an anion, until one metal cation precipitates as a compound with that anion, leaving the other metal cation still in solution. Your metal cations (M+ and M2+) and your anion M+= Cu^+ M^2+= Cd^2+ Anion= S^2- First Ksp(M+ w/anion)= 2.5 x 10-48 Second Ksp(M2+ w/anion)= 1.0 x 10-28 ----------------------------------------------------------------------------------- Starting concentrations of yourmetal ions in your initial solution: [M+]= 4.00 x 10-5 M [M2+]= 2.50 x 10-5 M Using these values, predict which metal will precipitate first, and at what concentration of anion the precipitation will begin. Clearly state the parameters of your particular problem at the beginning. What is M+, what is M2+, what are your concentrations, what are you solving for?
- P1B.1 A rotating slotted-disc apparatus consists of five coaxial 5.0 cm diameter discs separated by 1.0 cm, the radial slots being displaced by 2.0° between neighbours. The relative intensities, I, of the detected beam of Kr atoms for two different temperatures and at a series of rotation rates were as follows: v/Hz 20 40 80 100 120 I (40 K) 0.846 0.513 0.069 0.015 0.002 I (100 K) 0.592 0.485 0.217 0.119 0.057 Find the distributions of molecular velocities, f(v,), at these temperatures, and check that they conform to the theoretical prediction for a one-dimensional system for this low-pressure, collision-free system.A chemistry grad student measures the performance Z of the new pump in his lab. The result is: 3 Z=18.6 MPa cm³ s Convert Z to kJ-s¹. kJ.s¹ S I Don't Know Submit 86° H x10 X 99+ VUDU a $ 26 hulu 202 videoI need step by step process solving [4.184x156(Tf-295)] + [4.184x85.2(Tf-368)] = 0. because my work is wrong. Thank you!!