Arrange the values according to magnitude. Greatest Least Answer Bank 7.6 x 10-6 3.3 x 10-2 9.0 x 10-6 51000 1.5 x 105

Q: A 106.2 mL sample of 0.100 M methylamine ( CH3NH2; Kb = 3.7 x 10-4) is titrated with 0.235 M HNO3.…

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Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Step : 1             The required answer for the question is follow as :

Q: Log 4.38 pH = – Log 6.243 x 10-5; pH = ______. Antilog -1.48 Antilog 32.23 Perform the following…

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Q: To the correct number of significant figures, what are the average and standard deviation of the…

A: The four given numbers are 7.159, 7.024, 7.183 and 7.005The average value is calculated as follows,

Q: Using the Q test, decide whether the value 222 should be rejected from the set of results: 193, 222,…

A: Dixon's Q test or Q test, is used for identification and rejection of outliers from the given…

Q: The distance between the centers of two oxygen atoms in an oxygen molecule is cm. What is this…

A: A question based on units of measurement. The interatomic distance of Oxygen molecule is given in…

Q: What is the relationship between the solubility product constant and the molar solubility for the…

A: We have to find out the relationship between the solubility product and solubility in the given…

Q: In a galvanic cell: • at an electrode made of metal A, A is forming A2+ ions • at an electrode made…

A: In a Galvanic cell, 1) The left side of the cell is anode and oxidation takes place. 2) The right…

Q: How do I include units into my slope intercept Units - g mL 1. Y=1.2534x+0.0250 Answer- Y=1.2534x (…

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Q: from highest to lowest, 4 being the lowest. use 1-4 for the answers please

A: We have to rank the following substances according to their boiling point in decreasing order of…

Q: A chemist dissolves 290. mg of pure potassium hydroxide in enough water to make up 70. mL of…

A: We have to find the pH of solution

Q: Round each answer to the correct number of significant figures. 9 +2.8 - 0.135+10.8=22.265 My…

A: The significant figures refer to particular digits in a number. According to the measurement rule,…

Q: Chlorine OR Bromine OR Neither

A: Mass spectroscopy is an analytical technique used to measure mass to charge ratio of molecules…

Q: A certain data set has low accuracy, but high precision. Which of the following statements about…

A: There is very little random and systematic error. Because random error causes one measurement to…

Q: lire chemical formulas and dimensional analysis to express the ratio for the calculation of the…

A: H2NNH2 + 2I2 = N2 + 4I- + 4H+…

Q: Help me find the % deviation : #1: 7.77 #2 : 7.78 #3: 7.74 i know the average is 7.76…

A: Not

Q: A student determines the density of a metal to be 8.55g/cm3. If the theoretical value is 8.91g/cm3,…

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Q: Please factor the following polyn ax^(2)+2axy +ay^(2) (Please type answer)

A: To solve the quadratic equation ax^2 + 2axy + ay^2  by factorization, we can consider the common…

Q: 1 10J 1 MJ 1 m J = = 11 = 10 -1, 10 3 10 0 J J 100 J w by filling in the missing prefix μ X

A: Energy is represented in terms of joule(J). Different representation of unit of energy: Decijoule…

Q: A human hair is 75.0 um across. How many inches is this?

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Q: Perform the calculations and determine the absolute and percent relative uncertainty. Express each…

A: Answer is given in below image  In a answer is 5.8±0.30 Absolute uncertainty = 0.30 Percentage =5.17…

Q: A chemist dissolves 689. mg of pure perchloric acid in enough water to make up 270. mL of solution.…

A: 1. moles of HClO4 (n) :      n = W/GMW              where                       W = mass of…

Q: If the actual value is 100 and the measured value is 99 then the percent error is---- O 0.1 O 2% O…

A: We can calculate percent error by following formula percent error=Actual value-Measured vaueactual…

Q: % error =  (experimental value - accepted value) x 100                                Accepted…

A: Given : Experimental value = 10.06 cm3  And accepted value = 10.49 cm3

Q: You are given four values (1.033, 4.157, 1.05, and 4.6) and asked to conduct calculations on them.…

A: Significant figures can be defined as the total digit present in a number (including last digit)…

Q: Calculate the value and report to the proper number of significant digits (you may need to round…

A: Significant figures are used to represent a measurement accurately. Errors in analysis arise due to…

Q: If the mean value of certain set of eight measurements was 45.74, and standard deviation S=0.35.…

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Q: Calculate the mean and 90% confidence interval for the data set. Report your answer with the correct…

A: Given values are 8.0720, 8.0580, 8.0710, 8.0750, 8.0600, 8.0550. we need to find the mean and 90%…

Q: From the normal curve of error, find the probability that a result is outside the limits of ±2σ from…

A: We need to find from the normal curve of error, find the probability that a result is outside the…

Q: Strong and weak bases differ greatly in their empirical and theoretical definitions. Identify each…

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Q: Arrange the values according to magnitude. 3.8 x 10-² 9.0 × 10-6 7.0 x 10-6 Greatest Least Answer…

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Q: What is the numerical value of (2.1 x 104)(4.0 x 10-2)?

A: Given :- (2.1 x 104)(4.0 x 10-2)  To calculate :- The numerical value of the above multiplication

Q: 10 An aqueous solution at 25 °C has a H,O' concentration of 7.0 x 10 "M. Calculate the OH…

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.