![Question 1 (1 point) Find the [OH-] given that the [H3O+] = (8.59x10^-2). Give your answer to the correct number of significa](http://img.homeworklib.com/questions/5df8b5e0-71a9-11ea-982f-999803ca0b73.png?x-oss-process=image/resize,w_560)
Homework Answers
![we know [Hot] [OH-] = 1x1014 [olt-] = Tour - 1x1014 1x1016 2 = 1016x613 8.saxio 13 1.2 X10 M. To pH = -log[H30+] - log (0.002](http://img.homeworklib.com/questions/5e9b2fd0-71a9-11ea-a1b0-d99fe7d10bcd.png?x-oss-process=image/resize,w_560)
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Question 1 (1 point) Find the [OH-] given that the [H3O+] = (8.59x10^-2). Give your...
Question 2 (2 points) Calculate the mass of (3.28x10^25) atoms of nickel metal. Provide your answer...
Question 2 (2 points) Calculate the mass of (3.28x10^25) atoms of nickel metal. Provide your answer to the correct number of significant figures and without units. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: X10 Answer Question 3 (2 points) Calculate the number of molecules in (7.48x10^-1) moles of calcium hydroxide, Ca(OH)2 Provide your answer to the correct number of significant figures and without units. Note: Your answer is assumed to be reduced...
Question 4 (1 point) Determine how long (in s) it will take an electron to traverse a (3.95x10A1)...
Question 4 (1 point) Determine how long (in s) it will take an electron to traverse a (3.95x10A1) mm length of crystal at room temperature The electron mobility of the material is (3.620x10-1) m2/V-s, and the magnitude of the electric field is (1.2826x10A3) V/m. Use scientific notation, significant figures in answer: 3 Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
Question 4 (1 point) Determine how long (in s) it will...
Question 5 (1 point) If (1.69x10^1) g of silicon react with (3.402x10^1) g of chlorine gas...
Question 5 (1 point) If (1.69x10^1) g of silicon react with (3.402x10^1) g of chlorine gas to form silicon tetrachloride. What mass of silicon tetrachloride forms? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer Question 6 (1 point) What is the molarity of a solution made by diluting (1.77x10^1) mL of 18.7 M ammonia with enough water to form (3.0782x10^2) mL of solution? Note: Your answer is assumed to be reduced to...
You have an aqueous solution with [OH-] = (6.093x10^-2) M at 25°C. What is [H3O+]? Note:...
You have an aqueous solution with [OH-] = (6.093x10^-2) M at 25°C. What is [H3O+]? Note: Your answer is assumed to be reduced to the highest power possible.
You have an aqueous solution with [H3O+] = (2.949x10^-2) M at 25°C. What is [OH-]? Note:...
You have an aqueous solution with [H3O+] = (2.949x10^-2) M at 25°C. What is [OH-]? Note: Your answer is assumed to be reduced to the highest power possible.
show it me please! Thanks! Question 3 (1 point) Find the pH given that the [OH-]...
show it me please! Thanks!
Question 3 (1 point) Find the pH given that the [OH-] = 0.00093 M. Give your answer to 2 decimal places. Your Answer: Answer Question 4 (1 point) Find the pOH given that the [H3O+] = 0.083 M Give your answer to 2 decimal places. Your Answer: Answer
Question 9 (1 point) If the atomic radius of a metal that has the simple cubic...
Question 9 (1 point) If the atomic radius of a metal that has the simple cubic crystal structure is (3.40x10A-1) nm, calculate the volume of its unit cell (in nm 3) Use scientific notation with 3 significant figures (XYZx 10An). Note that Avenue automatically enters x10, so you only need to enter X.YZ and n. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Scree
Question 1 (1 point) What is the sum of the coefficients when the following is balanced:...
Question 1 (1 point) What is the sum of the coefficients when the following is balanced: Al + Fe2O3 --> Al2O3 + Fe 04 O 12 09 08 Question 2 (1 point) A (9.45x10^1).00 g sample of lithium reacts with an excess of chlorine to form lithium chloride. What mass of lithium chloride forms? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Question 3 (1 point) What is the molarity of...
ing patient outcome probabilities (8 min) Tima Taker0-1522 Paulina Sda Varels: Attempt 1 Question 1(1 point)...
ing patient outcome probabilities (8 min) Tima Taker0-1522 Paulina Sda Varels: Attempt 1 Question 1(1 point) Save Recall that each of Your untreated patients had a 40% chance of dying what is the probability that all 20 of them die? Note that your answers in this quiz need to be in significant figure notation Note: Your answer is assumed to be reduced to the highest pawer passible. Your Answer x10 Question 2 (1 point) Saved Recal that each of yourtreated...
You have an aqueous solution with [OH-] = (5.822x10^-9) M at 25°C. What is [H3O+]? Note:...
You have an aqueous solution with [OH-] = (5.822x10^-9) M at 25°C. What is [H3O+]? Note: Your answer is assumed to be reduced to the highest power possible.
Question 2 (2 points) Calculate the mass of (3.28x10^25) atoms of nickel metal. Provide your answer to the correct number of significant figures and without units. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: X10 Answer Question 3 (2 points) Calculate the number of molecules in (7.48x10^-1) moles of calcium hydroxide, Ca(OH)2 Provide your answer to the correct number of significant figures and without units. Note: Your answer is assumed to be reduced...
Question 4 (1 point) Determine how long (in s) it will take an electron to traverse a (3.95x10A1) mm length of crystal at room temperature The electron mobility of the material is (3.620x10-1) m2/V-s, and the magnitude of the electric field is (1.2826x10A3) V/m. Use scientific notation, significant figures in answer: 3 Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
Question 4 (1 point) Determine how long (in s) it will...
Question 5 (1 point) If (1.69x10^1) g of silicon react with (3.402x10^1) g of chlorine gas to form silicon tetrachloride. What mass of silicon tetrachloride forms? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer Question 6 (1 point) What is the molarity of a solution made by diluting (1.77x10^1) mL of 18.7 M ammonia with enough water to form (3.0782x10^2) mL of solution? Note: Your answer is assumed to be reduced to...
show it me please! Thanks!
Question 3 (1 point) Find the pH given that the [OH-] = 0.00093 M. Give your answer to 2 decimal places. Your Answer: Answer Question 4 (1 point) Find the pOH given that the [H3O+] = 0.083 M Give your answer to 2 decimal places. Your Answer: Answer
Question 9 (1 point) If the atomic radius of a metal that has the simple cubic crystal structure is (3.40x10A-1) nm, calculate the volume of its unit cell (in nm 3) Use scientific notation with 3 significant figures (XYZx 10An). Note that Avenue automatically enters x10, so you only need to enter X.YZ and n. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Scree
Question 1 (1 point) What is the sum of the coefficients when the following is balanced: Al + Fe2O3 --> Al2O3 + Fe 04 O 12 09 08 Question 2 (1 point) A (9.45x10^1).00 g sample of lithium reacts with an excess of chlorine to form lithium chloride. What mass of lithium chloride forms? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Question 3 (1 point) What is the molarity of...
ing patient outcome probabilities (8 min) Tima Taker0-1522 Paulina Sda Varels: Attempt 1 Question 1(1 point) Save Recall that each of Your untreated patients had a 40% chance of dying what is the probability that all 20 of them die? Note that your answers in this quiz need to be in significant figure notation Note: Your answer is assumed to be reduced to the highest pawer passible. Your Answer x10 Question 2 (1 point) Saved Recal that each of yourtreated...
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