Choose the substance with the highest viscosity A. water at 40 C B. water at 20...
Choose the substance with the highest viscosity
A. water at 40 C
B. water at 20 C
C. water at 10 C
D. water at 30 C
E. water at 50 C
Please explain why, thank you
Homework Answers
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Choose the substance with the highest viscosity
A. water at 40 C
B. water at 20...
Which of these substances as liquids has the highest viscosity? A. CH3NH2 B. Xe C. PCl5...
Which of these substances as liquids has the highest viscosity? A. CH3NH2 B. Xe C. PCl5 D. CH3CH3 E. TeCl2
Choose the substance with the lowest surface tension. A. CH3CH2CH2CH3 B. CH3CH2CH2CH2CH2CH3 C. CH3NH2 D. CH3SH...
Choose the substance with the lowest surface tension. A. CH3CH2CH2CH3 B. CH3CH2CH2CH2CH2CH3 C. CH3NH2 D. CH3SH E. CH3CH(CH3)CH3 I know that the answer is E but can someone please explain the difference the parathesis has on the surface tension? Because I was debating between A and E and they both have the same molar mass. Thanks!
Why does Water have a higher viscosity than octane? Please show diagrams and detailed response. Im...
Why does Water have a higher viscosity than octane? Please show diagrams and detailed response. Im very confused. Thank you!
With the below data, how many Design of Experiments of will there be in a quarter factorial design? Low - High Factor A 30 50 Factor B 10 20 Factor C 60 80 Factor D 6 12 Factor E 20 40 Factor F 10 20...
With the below data, how many Design of Experiments of will there be in a quarter factorial design? Low - High Factor A 30 50 Factor B 10 20 Factor C 60 80 Factor D 6 12 Factor E 20 40 Factor F 10 20 O a. 32 O b. 128 O c. 16 O d. 64 With the below data, how many Design of Experiments of will there be in the full factorial design? Low - High Factor A...
why is the answer C? Please kindly explain step by step. Thank you. Solubility (8 in...
why is the answer C? Please kindly explain step by step. Thank
you.
Solubility (8 in 100mL of solution) 35.0 T31)The solubility of barium hydroxide in water was measured as a function of temperature. Use the graph produced in that experiment (shown here) to determine the 4Gº for the solubility of barium hydroxide at 25°C. MM(Ba(OH)2) = 171.34g/mol a. 22.9 kJ/mol b. 15.4 kJ/mol C. 5.72 kJ/mol d. -4.00 kJ/mol e. -6.09 kJ/mol 0 10 20 30 40 T(OC) 50...
Which statements about viscosity are true? 0 (ii) (1) Viscosity increases as temperature decreases. Viscosity increases...
Which statements about viscosity are true? 0 (ii) (1) Viscosity increases as temperature decreases. Viscosity increases as molecular weight increases. Viscosity increases as intermolecular forces increase. A) (i) only B)(ii) and (ii) C) (i) and (iii) D) none E) all ANSWER. Write the word or phrase that best completes each statement or answers the question. 18) The rate-determining step is the elementary step 18) IPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 19),...
9. Large intermolecular forces in a substance A) low vapor pressure B) high boiling point C)...
9. Large intermolecular forces in a substance A) low vapor pressure B) high boiling point C) high heats of fusion and vaporization O) high critical temperatures and pressures E) all of the above are manifested by 10. Of the following A) CBr4 is the most volatile. B) CCl4 C) CH4 D) CF4 E) C6H14 Refer to the phase diagram below to complete questions 11-13 1.5 P (atm) 1.0 0.5 0 100-1-20 30 40 50 6070 T C'C) 11. What is...
Of ice at -S °C is added to 40 kg of water initially at 20 °C. Assume that the container is well ...
of ice at -S °C is added to 40 kg of water initially at 20 °C. Assume that the container is well insulated. (a) Find the final equilibrium temperature. (5 points) 0b) Caleulate the change in internal energy of the 40 kg water when thermal equilberium is established. (5 points) (c) If a 3 kg piece of copper at 30°C is also added to the original system( Le. system with ice d wat an (7 points) er at their initial...
and y Given are five observations for two variables, 7 20 17 13 29 13 48 52 58 a. Choose the correct scatter diagram f...
and y Given are five observations for two variables, 7 20 17 13 29 13 48 52 58 a. Choose the correct scatter diagram for these data: B. 60- 60 50- 50 40 30- 30 20- 20 10- 10 40 60 x 50 30 60 v 20 10 4C 50 30 10 D C y y 60- 60 50- 50 40- 40 30- 30 60+ 60+ 50- 50- 40+ 40- 30+ 30- 20+ 20+ 10+ 10 10 20 30 40...
the above question must be solved using the supplied viscosity table. but I keep getting weird values. can I ple...
the above question must be solved using the supplied
viscosity table. but I keep getting weird values.
can I please have workings and explanation as how to use this table
please.
thank you
Question 3 (3 Marks) Consider a journal bearing with the following characteristics: . Radius of 0.02m A clearance of 0.1mm . .A length of 0.02m Running under the following conditions: .Using SAE40 oil for lubrication . Running at 50 rps . Subject to a load of 100N...
With the below data, how many Design of Experiments of will there be in a quarter factorial design? Low - High Factor A 30 50 Factor B 10 20 Factor C 60 80 Factor D 6 12 Factor E 20 40 Factor F 10 20 O a. 32 O b. 128 O c. 16 O d. 64 With the below data, how many Design of Experiments of will there be in the full factorial design? Low - High Factor A...
why is the answer C? Please kindly explain step by step. Thank
you.
Solubility (8 in 100mL of solution) 35.0 T31)The solubility of barium hydroxide in water was measured as a function of temperature. Use the graph produced in that experiment (shown here) to determine the 4Gº for the solubility of barium hydroxide at 25°C. MM(Ba(OH)2) = 171.34g/mol a. 22.9 kJ/mol b. 15.4 kJ/mol C. 5.72 kJ/mol d. -4.00 kJ/mol e. -6.09 kJ/mol 0 10 20 30 40 T(OC) 50...
Which statements about viscosity are true? 0 (ii) (1) Viscosity increases as temperature decreases. Viscosity increases as molecular weight increases. Viscosity increases as intermolecular forces increase. A) (i) only B)(ii) and (ii) C) (i) and (iii) D) none E) all ANSWER. Write the word or phrase that best completes each statement or answers the question. 18) The rate-determining step is the elementary step 18) IPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 19),...
9. Large intermolecular forces in a substance A) low vapor pressure B) high boiling point C) high heats of fusion and vaporization O) high critical temperatures and pressures E) all of the above are manifested by 10. Of the following A) CBr4 is the most volatile. B) CCl4 C) CH4 D) CF4 E) C6H14 Refer to the phase diagram below to complete questions 11-13 1.5 P (atm) 1.0 0.5 0 100-1-20 30 40 50 6070 T C'C) 11. What is...
of ice at -S °C is added to 40 kg of water initially at 20 °C. Assume that the container is well insulated. (a) Find the final equilibrium temperature. (5 points) 0b) Caleulate the change in internal energy of the 40 kg water when thermal equilberium is established. (5 points) (c) If a 3 kg piece of copper at 30°C is also added to the original system( Le. system with ice d wat an (7 points) er at their initial...
and y Given are five observations for two variables, 7 20 17 13 29 13 48 52 58 a. Choose the correct scatter diagram for these data: B. 60- 60 50- 50 40 30- 30 20- 20 10- 10 40 60 x 50 30 60 v 20 10 4C 50 30 10 D C y y 60- 60 50- 50 40- 40 30- 30 60+ 60+ 50- 50- 40+ 40- 30+ 30- 20+ 20+ 10+ 10 10 20 30 40...
the above question must be solved using the supplied
viscosity table. but I keep getting weird values.
can I please have workings and explanation as how to use this table
please.
thank you
Question 3 (3 Marks) Consider a journal bearing with the following characteristics: . Radius of 0.02m A clearance of 0.1mm . .A length of 0.02m Running under the following conditions: .Using SAE40 oil for lubrication . Running at 50 rps . Subject to a load of 100N...
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