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18 solutions

Accuracy & Precision

Q. which numbers are exact and therefore have an unlimited number of significant figures: a) pie or 3.14 B) 12 in = 1 ft c) epa gas mileage rating of 26 mpg d) 1 gross = 144

Solved • Oct 29, 2019

Accuracy & Precision

Q. 12.) You weigh 150. pounds, your scale measures your weight four different times on the same day as 160, 161, 159, and 161 pounds. This would be an example of? A. both precise and accurate B. neither precise nor accurate C. precise but not accurate D. accurate but not precise E. none of the above

Solved • Sep 14, 2019

Accuracy & Precision

Q. Calculate the following:

Solved • Jul 7, 2019

Accuracy & Precision

Q. The ideal vant hoff factor for naclo3 is 5. I am struggling with number 23. from this set of questions.

Solved • Apr 25, 2019

Accuracy & Precision

Q. Which of the elements listed below has the smallest first ionization energy? Answers: C Ge P O Se

Solved • Apr 9, 2019

Accuracy & Precision

Q. Gas-phase reaction CH3NC to CH3CN in closed vessel, and the rate equation was found to be: Rate = –[CH3NC]/t = k[CH3NC]. The answer is: Continuous removing CH3CN as it is formed. Why is that?

Solved • Apr 3, 2019

Accuracy & Precision

Q. CH4(g)+CO2(g)⇌2CO(g)+2H2(g) Kp=4.5×102 at 825 K An 85.0-L reaction container initially contains 22.3 kg of CH4 and 55.4 kg of CO2 at 825 K

Solved • Feb 20, 2019