Question

The viscosity n of a glass varies with temperature according to the relationship Qvis n = A expo RT where Qvis is the energyTemperature = 200 °C Temperature = 392 °F Viscosity = = 1E-1 Pa-s Temperature (°F) Viscosity = = 1P 400 800 1200 1600 2000 24

0 0
Add a comment Improve this question Transcribed image text
Answer #1

solution! viscosity in = A exp Center) ( ¢ ¢) en (m2 given Hvis R Tiz sro = 773k 1173K og = E = qor R = 8.314 3/wolkfrom graph! - at Ti=560°c at T2 = 900°c m, -1014 in=0.58106 0 5x106 1014 cours 8:314 1173 Quis = 360.22 6 Kg mol u 3 360 165

Add a comment
Know the answer?
Add Answer to:
The viscosity n of a glass varies with temperature according to the relationship Qvis n =...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Data Sheet Part A: Dependence of Reaction Rate on Concentration Table 1 H Temperature Time Relati...

    Can someone please help me finish the tables and calculations. Thanks in advance Data Sheet Part A: Dependence of Reaction Rate on Concentration Table 1 H Temperature Time Relative mixture ! (seconds) | rate 1000 Reaction BrOsl (eC) . 1235.6 Avg. time 2. 67.S 3. 08,24 Avg. time 2. 74.2 3. 70.74.O Avg. time 24.o' 4 弘·11 0.2 OD3 0.00 8 100 o.oy | 23.5 3. 29. Avg. time 교 Table 2: Calculations for the [I']. [Bro, & [H'] BrOs...

  • 31. When 9.42 g of methane (CH4) is burned in a bomb calorimeter (heat capacity =...

    31. When 9.42 g of methane (CH4) is burned in a bomb calorimeter (heat capacity = 2.677 × 103 J/°C), the temperature rises from 24.00 to 27.08°C. How much heat is absorbed by the calorimeter? CH4(g) + 2O2(g) → CO2(g) + 2H2O(l); ΔH° = –1283.8 kJ a. 745 kJ b. 4.84 × 103 kJ c. 8.24 kJ d. 753 kJ e. 1.28 × 103 kJ 32. Which of the following statements is incorrect concerning the wave function? The wave function...

  • CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a...

    CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 kJ/kg-C? (A) 200 (B) 400 (C) 600 (D) 800) (E) 2000 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by...

  • CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a...

    CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 kJ/kg-C? (A) 200 (B) 400 (C) 600 (D) 800) (E) 1000 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by...

  • 1. Derive the integrated rate law for R=k[A]* for this reaction A B. What would be...

    1. Derive the integrated rate law for R=k[A]* for this reaction A B. What would be plotted for this equation? What does the slope equal? 2. (a) What are the activities and activity coefficients for isopropanol and n- decane at 25°C at 0.55 mole fraction of isopropanol? P* Isoprop = 1008 torr, P'dex= 48.3 torr, Pisoprop = 790 torr, and Pdec = 11.5 torr (5 pts.) (b) What is the AGmix for a system that mixes 60 grams of C:Hs...

  • 21C.1(a) The reaction of propylxanthate ion in acetic acid buffer solutions has the mechanism A− +H+→P....

    21C.1(a) The reaction of propylxanthate ion in acetic acid buffer solutions has the mechanism A− +H+→P. Near 30 °C the rate constant is given by the empirical expression kr=(2.05×1013) e−(8681K)/T dm3mol−1 s−1. Evaluate the energy and entropy of activation at 30 °C. 21C.1(b) The reaction A− +H+→P has a rate constant given by the empirical expression kr=(6.92×1012)e−(5925K)/T dm3mol−1 s−1. Evaluate the energy and entropy of activation at 25 °C. Please explain why they calculated H=E-RT like that like why is...

  • CHAPTER 9 REVIEW QUESTIONS 1How much heat is required to raise the temperature of a 0.04...

    CHAPTER 9 REVIEW QUESTIONS 1How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 k/kg-C? 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by a factor of 27 (A) 200J (B) 400 J (C) 600...

  • QuestiII Il poll ILS) Consider the data below: Time (minutes) Concentration (M) 1 0.05 2 0.042...

    QuestiII Il poll ILS) Consider the data below: Time (minutes) Concentration (M) 1 0.05 2 0.042 3 0.034 4 0.028 5 0.018 Construct a concentration versus time plot with concentration on the y-axis and time on the x-axis. Then, determine the equation of the line that describes the data set. In blank # 1, report the slope of the line. Do not use scientific notation. In blank # 2, report the y-intercept of the line. Do not use scientific notation....

  • 1-The rate constant of a chemical reaction was measured at several temperature values and a plot...

    1-The rate constant of a chemical reaction was measured at several temperature values and a plot of ln k (on the y-axis) was plotted against 1/T (on the x-axis, temperature was measured in Kelvin). If the slope of the plot was -9.21 x 103 K and the y-intercept was 13.0, what is the activation energy (EA) of the reaction in kJ mol-1? 2-In an enzyme-catalyzed reaction, the rate of the reaction depends on which of the following at very low...

  • 4. A piston/cylinder contains pure oxygen at ambient conditions 20°C, 100 kPa. The piston is moved...

    4. A piston/cylinder contains pure oxygen at ambient conditions 20°C, 100 kPa. The piston is moved to a volume that is seven times smaller than the initial volume in a polytropic process with exponent n = 1.25. Find the final pressure and temperature, the specific work, and the specific heat transfer. Use table A.8 to find the internal energy at each state. Plot the process in a P – v diagram. 300 TABLE A.8 Ideal Gas Properties of Various Substances,...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT