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For b) i have used 5.513x10^-1 and 0.2810
For 2a) i used 0.0009619 and 13.99
For...
*Remember to submit each part separately to avoid losing your work* *Be careful with your significant...
*Remember to submit each part separately to avoid losing
your work*
*Be careful with your significant digits*
For a 0.36 M solution of HNO3, calculate:
[H+], pH,
pOH, and [OH-]
Determine all pH and pOH values to two decimal places.
1) To enter an answer in scientific notation:
1.2×10−4 = 1.2E-4
[H+]= 0.36 M
pH= 0.44
pOH= 13.56
[OH-]= 2.7×10-14M
You are correct.
Your receipt no. is 164-4624
Previous Tries
2) Now make the same calculations for a 1.0×10−13 M...
1. Determine the pH (to two decimal places) of the solution that is produced by mixing...
1. Determine the pH (to two decimal places) of the solution that is produced by mixing 30.1 mL of 4.88x103 M HCI with 113 mL of 3.78x10-3 M HNO3 提交答案 Tries 0/3 2. Determine the pOH (to two decimal places) of the solution that is produced by mixing 85.5 mL of 6.26×10-4 M Na20 with 99.7 mL of 7.89×10-4 M Cao. 提交答案 Tries 0/3 3. Determine the pH (to two decimal places) of the solution that is produced by mixing...
Find the risk of experiencing a nausea for Drug 1. [Answer to 3 decimal places.] 0.444...
Find the risk of experiencing a nausea for Drug 1. [Answer
to 3 decimal places.] 0.444
Computer's answer now shown above. You are
correct.
Your receipt no. is 156-2686
Previous Tries
Find the risk of experiencing a nausea for Drug 2. [Answer
to 3 decimal places.] 0.354
Computer's answer now shown above. You are
correct.
Your receipt no. is 156-2919
Previous Tries
What is the relative risk of a nausea for Drug 1 compared to
Drug 2? [Answer to 3...
6-bromo-3-methyl-1-octanal Submit Ansr Incorrect. Tries 2/3 Previous Tries Br 4-bromo-1-butanol You are correct. our receipt no....
6-bromo-3-methyl-1-octanal Submit Ansr Incorrect. Tries 2/3 Previous Tries Br 4-bromo-1-butanol You are correct. our receipt no. is 156-1001Preious Tries Cl Cl 0 2,2-dichlorohexanoic acid You are correct. Your receipt no. is 156-9744 PreviousTries Submit Answr Tries 0/3 This discussion is closed Send Feedback
2. Determine the poH Mo two decimal places) of the solution that is produced by mixing...
2. Determine the poH Mo two decimal places) of the solution that is produced by mixing 766 mL of 2.18x10-M Nal with 13.8 mL of 5.45x10° M MgH). 0.73 Submit Answer Incorrect. Tries 2/13 Previous Tries
Please answer all rest questions. Thanks! A service station has both self-service and full-service islands. On...
Please answer all rest questions. Thanks!
A service station has both self-service and full-service islands. On each island, there is a single regular unleaded pump with two hoses. Let X denote the number of hoses being used on the self-service island at a particular time, and let y denote the number of hoses on the full-service island in use at that time. The joint pmf of X and Y appears in the accompanying tabulation. P(x,y) у 0 1 2 0...
A manufacturer claims his light bulbs have a mean life of 1800 hours. A consumer group...
A manufacturer claims his light bulbs have a mean life of 1800 hours. A consumer group wants to test if their light bulbs do not last as long as the manufacturer claims. They tested a random sample of 270 bulbs and found them to have a sample mean life of 1790 hours and a sample standard deviation of 60 hours. Assess the manufacturer's claim. a) What is the null hypothesis? Correct: y = 1800 Incorrect x = 1800 Incorrect x...
need help for a and c. Thank you! Two components of a laptop computer have the...
need help for a and c. Thank you!
Two components of a laptop computer have the following joint probability density function for their useful lifetimes X and Y (in years): f(x,y) = a. Find the marginal probability density function of X, fx(x). Enter a formula below. Use for multiplication, / for division, A for power and exp for exponential function. For example, otherwise 3*xA3 exp(-x/3) means 3x3e3 X 2 0 Submit Answer Incorrect. Tries 3/10 Previous Tries b. Find the...
What is the amplitude of this function? 1.4 m 4 You are correct. Your receipt no....
What is the amplitude of this function? 1.4 m 4 You are correct. Your receipt no. is 163-28346) Previous Tries What is the period of this function 0.25 s What is the frequency (in Hz) of this function? 4 Hz What is the angular frequency (in rad/s) of this function? Submit Answer Incorrect. Tries 4/5 Previous Tries Submit Answer Incorrect. Tries 2/5 Previous Tries -1 -2 -3 Submit Answer Tries 0/5 -4 2 024
Find the pH of each of the following solutions of mixtures of acids. Part A 0.120...
Find the pH of each of the following solutions of mixtures of acids. Part A 0.120 M in HBr and 0.125 M in HCHO, Express your answer to three decimal places. A 2 ? IVO AJD pH = .613 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B 0.170 M in HNO2 and 8.5x10-2 Min HNO3 Express your answer to two decimal places. IVO AQ R O 2 ? pH = 0.593 Submit Previous Answers...
*Remember to submit each part separately to avoid losing
your work*
*Be careful with your significant digits*
For a 0.36 M solution of HNO3, calculate:
[H+], pH,
pOH, and [OH-]
Determine all pH and pOH values to two decimal places.
1) To enter an answer in scientific notation:
1.2×10−4 = 1.2E-4
[H+]= 0.36 M
pH= 0.44
pOH= 13.56
[OH-]= 2.7×10-14M
You are correct.
Your receipt no. is 164-4624
Previous Tries
2) Now make the same calculations for a 1.0×10−13 M...
1. Determine the pH (to two decimal places) of the solution that is produced by mixing 30.1 mL of 4.88x103 M HCI with 113 mL of 3.78x10-3 M HNO3 提交答案 Tries 0/3 2. Determine the pOH (to two decimal places) of the solution that is produced by mixing 85.5 mL of 6.26×10-4 M Na20 with 99.7 mL of 7.89×10-4 M Cao. 提交答案 Tries 0/3 3. Determine the pH (to two decimal places) of the solution that is produced by mixing...
Find the risk of experiencing a nausea for Drug 1. [Answer
to 3 decimal places.] 0.444
Computer's answer now shown above. You are
correct.
Your receipt no. is 156-2686
Previous Tries
Find the risk of experiencing a nausea for Drug 2. [Answer
to 3 decimal places.] 0.354
Computer's answer now shown above. You are
correct.
Your receipt no. is 156-2919
Previous Tries
What is the relative risk of a nausea for Drug 1 compared to
Drug 2? [Answer to 3...
6-bromo-3-methyl-1-octanal Submit Ansr Incorrect. Tries 2/3 Previous Tries Br 4-bromo-1-butanol You are correct. our receipt no. is 156-1001Preious Tries Cl Cl 0 2,2-dichlorohexanoic acid You are correct. Your receipt no. is 156-9744 PreviousTries Submit Answr Tries 0/3 This discussion is closed Send Feedback
2. Determine the poH Mo two decimal places) of the solution that is produced by mixing 766 mL of 2.18x10-M Nal with 13.8 mL of 5.45x10° M MgH). 0.73 Submit Answer Incorrect. Tries 2/13 Previous Tries
Please answer all rest questions. Thanks!
A service station has both self-service and full-service islands. On each island, there is a single regular unleaded pump with two hoses. Let X denote the number of hoses being used on the self-service island at a particular time, and let y denote the number of hoses on the full-service island in use at that time. The joint pmf of X and Y appears in the accompanying tabulation. P(x,y) у 0 1 2 0...
A manufacturer claims his light bulbs have a mean life of 1800 hours. A consumer group wants to test if their light bulbs do not last as long as the manufacturer claims. They tested a random sample of 270 bulbs and found them to have a sample mean life of 1790 hours and a sample standard deviation of 60 hours. Assess the manufacturer's claim. a) What is the null hypothesis? Correct: y = 1800 Incorrect x = 1800 Incorrect x...
need help for a and c. Thank you!
Two components of a laptop computer have the following joint probability density function for their useful lifetimes X and Y (in years): f(x,y) = a. Find the marginal probability density function of X, fx(x). Enter a formula below. Use for multiplication, / for division, A for power and exp for exponential function. For example, otherwise 3*xA3 exp(-x/3) means 3x3e3 X 2 0 Submit Answer Incorrect. Tries 3/10 Previous Tries b. Find the...
What is the amplitude of this function? 1.4 m 4 You are correct. Your receipt no. is 163-28346) Previous Tries What is the period of this function 0.25 s What is the frequency (in Hz) of this function? 4 Hz What is the angular frequency (in rad/s) of this function? Submit Answer Incorrect. Tries 4/5 Previous Tries Submit Answer Incorrect. Tries 2/5 Previous Tries -1 -2 -3 Submit Answer Tries 0/5 -4 2 024
Find the pH of each of the following solutions of mixtures of acids. Part A 0.120 M in HBr and 0.125 M in HCHO, Express your answer to three decimal places. A 2 ? IVO AJD pH = .613 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B 0.170 M in HNO2 and 8.5x10-2 Min HNO3 Express your answer to two decimal places. IVO AQ R O 2 ? pH = 0.593 Submit Previous Answers...
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