Questions from General Chemistry

Q: Briefly describe or define and give an example of a.

Briefly describe or define and give an example of a. A strong electrolyte. b. A Brønsted-Lowry base. c. The conjugate acid of a Brønsted-Lowry base. d. Neutralization, in terms of the Brønsted-Lowr...

Q: Why is 1g no longer exactly 1 mole of unified atomic mass

Why is 1g no longer exactly 1 mole of unified atomic mass units?

Q: From the Gaussian (normal) error curve, what is the

From the Gaussian (normal) error curve, what is the probability that a result from a population lies between 0 and +1σ of the mean? What is the probability of a result occurring that is between +1σ an...

Q: From the normal curve of error, find the probability that a

From the normal curve of error, find the probability that a result is outside the limits of ±2σ from the mean. What is the probability that a result has a more negative deviation from the mean than -2...

Q: Consider the following sets of replicate measurements / For each

Consider the following sets of replicate measurements For each set, calculate the (a) mean, (b) median, (c) spread or range, (d) standard deviation, and (e) coefficient of variation.

Q: The accepted values for the sets of data in Problem 4-

The accepted values for the sets of data in Problem 4-7 are set A, 9.0; set B, 55.33; set C, 0.630; set D, 5.4; set E, 20.58; and set F, 0.965. For the mean of each set, calculate a. The absolute err...

Q: Discuss how the size of the confidence interval for the mean is

Discuss how the size of the confidence interval for the mean is influenced by the following (all the other factors are constant): a. The standard deviation σ. b. The sample size N. c. The confidence l...

Q: Consider the following sets of replicate measurements: /

Consider the following sets of replicate measurements: Calculate the mean and the standard deviation for each of these six data sets. Calculate the 95% confidence interval for each set of data. What...

Q: Calculate the 95% confidence interval for each set of data in

Calculate the 95% confidence interval for each set of data in Problem 5-4 if s is a good estimate of σ and has a value of set A, 0.015; set B, 0.30; set C, 0.070; set D, 0.20; set E, 0.0090; and set F...

Q: The last result in each set of data in Problem 5-

The last result in each set of data in Problem 5-4 may be an outlier. Apply the Q test (95% confidence level) to determine whether or not there is a statistical basis to reject the result.