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Acid rain is precipitation with a pH O above 5.6 above 7.0 below 5.6 below 7.0...
Acid rain is precipitation with a pH above 5.6 above 7.0 below 5.6 below 7.0 None of the above. 00000 QUESTION 29 When water and motor oil are mixed, these two substances: O A. none of these are correct B. form a homogeneous mixture o C. undergo a chemical reaction D. do not mix together form a heterogeneous mixture OE QUESTION 30 What is always produced in an acid-base neutralization reaction? an acid a base a salt and water an...
As you know, precipitation with a pH less than 5.6 is defined as acid rain. How does the pH of your solution compare to this value?
Rain with which of the following pH of values would be considered to be acid rain? 3.5 11.0 9.5 6.5 Rain with which of the following pH of values would be considered to be acid rain? 3.5 11.0 9.5 6.5
The following data represent the pH of rain for a random sample of 12 rain dates. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts a) through d) below. 4.80 5.19 5.68 5.05 5.72 4.89 5.02 4.59 4.74 5.43 4.76 4.56 Click the icon to view the table of critical t-values (a) Determine a point estimate for the population mean. A point estimate for...
11 of 15 The most likely pH of a solution of magnesium hydroxide is o 0.0 o 5.0 o 7.0 o 10.0 12 of 15 The pH of a 0.0035 M HI solution is o 11.5 o 2.5 5.7 О 8.3 13 of 15 Ka for a 0.100 M hydrofluoric acid solution where whose pH is 2.23 is o 3.5x104 3.5x10 О 8.0x10 1 o 8.0x102 14 of 15 The pH of a 0.0125 M ethanoic acid (Ka=1.8x10) solution is...
Read the information below and answer the questions: A newspaper headline reads “Acid Precipitation Not a Threat.” The article states that the city’s air pollution control board has been monitoring sulfur oxides and nitrogen oxides in the air and recording the pH of precipitation for the past five years. Air samples have been collected daily at two sites: at the busiest downtown intersection and at the entrance to a privately owned electrical power–generating station. On most days, the power station...
If the K_a of a monoprotic weak acid is 5.6 times 10^-6, what is the pH of a 0.46 M solution of this acid? pH = 6.79
Part A OH - 1.0X10-7M baslc (pH > 7.0) acidic (pH <7.0) neutral (pH - 7.00) Submit Roguest Answer Part B H0+)-5.1x10-2M acidic (pH <7.0) basic pH > 7.0) O neutral (pH - 7.00) Submit Request Answer Part C H30*) -6.8X10M O acidic (pH <7.0) neutral (pH-7.00) basic pH > 7.0) Submit Request Answer Part D [OH-] -7.8x10M basic (pH > 7.0) acidic (pH <7.0) neutral (pH - 7.00) o Submit Request Answer Provide Feedback
QUESTION1 acidity, is important in studies of acid rain. For a certain Florida lake, baseline measurements of acidity are made so that any changes caused by acid rain can be noted. The pH for water The pH level, samples from the lake is a random variable X, with probability density function fx(x)- elsewhere What is the value of a? (Report answer to three decimal places Answer musf be within0.001 of correct value.) QUESTION 2 The pH level, a measure of...
Acid Rain and Buffers In the Midwest, the natural geologic formations are typically made of limestone (CaCO3). The limestone in the Midwest provides the lakes and soils with a natural buffer. The questions below highlight the benefits of natural buffers, or buffers in general. Pure Water 7. What is the pH of 1.000L of pure water? 8. If you add strong acid to pure water, unbuffered water, what magnitude of pH change do you expect? (pH drops a little, a...