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Question 4 An oxygen O2 molecule is adsorbed onto a small patch of the surface of...
You can zoom estion 4 An oxygen 2 molecule is adsorbed onto a small patch of...
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estion 4 An oxygen 2 molecule is adsorbed onto a small patch of the surface of a catalyst. It's known that the molecule is adsorbed on 1 of 225 possible shes for adsorption Suppose the surface has been modified to the only 110 adsorption sites are available Calculate the change in entropy (JK) that occurs as a result of the modification (Please enter your answer is scientific notation. For example if you answer was-3.15 x 10 please...
An oxygen 02 moleculo is adsorbed onto a small patch of the surface of a catalyst....
An oxygen 02 moleculo is adsorbed onto a small patch of the surface of a catalyst. It's known that the molecule is adsorbed on 1 of 225 possible sites for adsorption Suppose the surface has been modifed so that only 110 adsorption sites are available. Calculate the change in entropy (JIK) that occurs as a result of the modification (Please enter your answer is solontific notation. For example if you answer was-3.15 x 10 please enter-2.15E-6) Answer should be in...
Question 1 For the aqueous (Hg(NH3)4]2+ complex has a Kt - 1.8 x 1019 at 25°C....
Question 1 For the aqueous (Hg(NH3)4]2+ complex has a Kt - 1.8 x 1019 at 25°C. Suppose equal volumes of 0.0082 M Hg(NO3)2 solution and 0.72 M NH3 solution were mixed. Calculate the equilibrium concentration (Mof aqueous Hg2+ ion. (Please enter your answer is scientific notation. For example if you answer was 3.15 x 106, please enter 3.155) Answer should be in 2 significant figures
For the aqueous (Hg(NH3)4]2+ complex has a K - 1.8 x 1019 at 25°C. Suppose equal...
For the aqueous (Hg(NH3)4]2+ complex has a K - 1.8 x 1019 at 25°C. Suppose equal volumes of 0.0082 M Hg(NO3)2 solution and 0.72 M NHg solution were mixed. Calculate the equilibrium concentration (M) of aqueous Hg2+ ion. (Please enter your answer is scientific notation. For example if you answer was 3.15 x 106, please enter 3.1585) Answer should be in 2 significant figures.
Calculate the molar concentration of Hg+2 ion. estion 1 For the aqueous (Hg(NH3)4]2+ complex has a...
Calculate the molar concentration of Hg+2 ion.
estion 1 For the aqueous (Hg(NH3)4]2+ complex has a Ky - 1,8 x 1019 at 25°C. Suppose equal volumes of 0.0082 M Hg(NO3)2 solution and 0.72 M NH3 solution were mixed. Calculate the equilibrium concentration (M) of aqueous (Please enter your answer is scientific notation. For example if you answer was 3.15 x 10. please enter 3.1585) Answer should be in 2 significant figures.
3 atempi 3 attempts left Check my work Be sure to answer all parts. Please report...
3 atempi 3 attempts left Check my work Be sure to answer all parts. Please report your answer to the correct number of significant figures. Determine the Ky of a weak base if a 0.613 M aqueous solution of the base at 25°C has a pH of 10.88. | x 10 (Enter your answer in scientific notation.)
Question 11 10 pts For the natural convection case shown below there is a thin square...
Question 11 10 pts For the natural convection case shown below there is a thin square plate with dimensions of 0.6-m x 0.6-m is in a room at 30°C. One side of the plate (is exposed to the room) has a constant temperature of 10°C, while the other side is insulated. The fluid property is given as: Pr = 0.72 k=0.028 W/m°C v=1.9x10-5 m?/s (b) cold surface facing down (a) cold surface facing up What is the Rayleigh numberfor the...
Nitrogen is sometimes diffused into the surface of a steel component in a process called case...
Nitrogen is sometimes diffused into the surface of a steel component in a process called case hardening. Consider a sheet of steel (1.416x10A0) mm thick which has nitrogen atmospheres on both sides at a temperature of 1200°C. The system is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is (6.735x10A-11) m2/s. The diffusion flux is found to be (2.52x10A-7) kg/m2-s. It is also known that the concentration of nitrogen at the...
i need help with questions 4, 5, 13, 15, 16 6 pts Question 4 Perform each...
i
need help with questions
4, 5, 13, 15, 16
6 pts Question 4 Perform each of the following calculations of the measured numbers and express your answer rounded to the appropriate number of significant figures. Only type the number for the final answer in the box (no units). a) 67.50 mL - 35.50 mL mL b) 5.35 cm x 10.00 cm x 0.50 cm = cm Question 5 4 pts A scientist defines a new unit, the mini-meter, which...
QUESTION: You are given a meterstick and asked to drill a small hole through it so...
QUESTION: You are given a meterstick and asked to drill a small hole through it so that, when the stick is pivoted about a horizontal axis through the hole, the period of the pendulum will be a minimum. Where should you drill the hole?(give the distance from the end of the meterstick) Hint: The rotational inertia I of the pendulum can be calculated using the parallel axis theorem. PLEASE FOLLOW THE FORMAT LISTED BELOW Paper Homework Format: For full credit,...
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estion 4 An oxygen 2 molecule is adsorbed onto a small patch of the surface of a catalyst. It's known that the molecule is adsorbed on 1 of 225 possible shes for adsorption Suppose the surface has been modified to the only 110 adsorption sites are available Calculate the change in entropy (JK) that occurs as a result of the modification (Please enter your answer is scientific notation. For example if you answer was-3.15 x 10 please...
An oxygen 02 moleculo is adsorbed onto a small patch of the surface of a catalyst. It's known that the molecule is adsorbed on 1 of 225 possible sites for adsorption Suppose the surface has been modifed so that only 110 adsorption sites are available. Calculate the change in entropy (JIK) that occurs as a result of the modification (Please enter your answer is solontific notation. For example if you answer was-3.15 x 10 please enter-2.15E-6) Answer should be in...
Question 1 For the aqueous (Hg(NH3)4]2+ complex has a Kt - 1.8 x 1019 at 25°C. Suppose equal volumes of 0.0082 M Hg(NO3)2 solution and 0.72 M NH3 solution were mixed. Calculate the equilibrium concentration (Mof aqueous Hg2+ ion. (Please enter your answer is scientific notation. For example if you answer was 3.15 x 106, please enter 3.155) Answer should be in 2 significant figures
For the aqueous (Hg(NH3)4]2+ complex has a K - 1.8 x 1019 at 25°C. Suppose equal volumes of 0.0082 M Hg(NO3)2 solution and 0.72 M NHg solution were mixed. Calculate the equilibrium concentration (M) of aqueous Hg2+ ion. (Please enter your answer is scientific notation. For example if you answer was 3.15 x 106, please enter 3.1585) Answer should be in 2 significant figures.
Calculate the molar concentration of Hg+2 ion.
estion 1 For the aqueous (Hg(NH3)4]2+ complex has a Ky - 1,8 x 1019 at 25°C. Suppose equal volumes of 0.0082 M Hg(NO3)2 solution and 0.72 M NH3 solution were mixed. Calculate the equilibrium concentration (M) of aqueous (Please enter your answer is scientific notation. For example if you answer was 3.15 x 10. please enter 3.1585) Answer should be in 2 significant figures.
3 atempi 3 attempts left Check my work Be sure to answer all parts. Please report your answer to the correct number of significant figures. Determine the Ky of a weak base if a 0.613 M aqueous solution of the base at 25°C has a pH of 10.88. | x 10 (Enter your answer in scientific notation.)
Question 11 10 pts For the natural convection case shown below there is a thin square plate with dimensions of 0.6-m x 0.6-m is in a room at 30°C. One side of the plate (is exposed to the room) has a constant temperature of 10°C, while the other side is insulated. The fluid property is given as: Pr = 0.72 k=0.028 W/m°C v=1.9x10-5 m?/s (b) cold surface facing down (a) cold surface facing up What is the Rayleigh numberfor the...
Nitrogen is sometimes diffused into the surface of a steel component in a process called case hardening. Consider a sheet of steel (1.416x10A0) mm thick which has nitrogen atmospheres on both sides at a temperature of 1200°C. The system is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is (6.735x10A-11) m2/s. The diffusion flux is found to be (2.52x10A-7) kg/m2-s. It is also known that the concentration of nitrogen at the...
i
need help with questions
4, 5, 13, 15, 16
6 pts Question 4 Perform each of the following calculations of the measured numbers and express your answer rounded to the appropriate number of significant figures. Only type the number for the final answer in the box (no units). a) 67.50 mL - 35.50 mL mL b) 5.35 cm x 10.00 cm x 0.50 cm = cm Question 5 4 pts A scientist defines a new unit, the mini-meter, which...
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