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A process that produces computer chips has a mean of .045 defective chip and a standard deviation of .0035 chip. The allowable variation is from .03 to .05 defect. Compute the capability ratio (Cp) and comment on its value.
Calorimetry is a method used to measure changes in enthalpy, or heat, that occur during chemical processes. Two common calorimeters are constant-pressure calorimeters and constant-volume (or "bomb") calorimeters
How do the two graphs compare if the frequency factor of the second reaction is higher than the frequency factor of the first reaction but the two reactions have the same activation energy?
How much hexanol was in the sample represented by this chromatogram? ( chromatogram shows retention time for butanol to be 10 min and retention time for pentanol to be 20min.
What is the density of a metal that is placed in a graduated cylinder that contained 15.0mL of water, resulting in a final volume of 45.6 mL and weighs 78.38g
a 2.00 g peanut is burned in a bomb calorimeter containing 1400 g of water. the temperature of the water increases from
Explain which of the subsequent elements have two unpaired electrons and consequently are paramagnetic
explain which of the following ions would you expect to be morewater soluble hg2 or methyl mercury ch3hg? more lipid
Three compounds, hexane, heptane, and an unknown molecule were separated using gas chromatography. The adjusted retention times were 10.4 min for hexane,
A vessel at 1000 K contains CO2 with a pressure of 0.5 atm. Some of the CO2 is converted into CO on the addition of graphite. If the total pressure at equilibrium is 0.8 atm, the value of K
The rate of a first order reaction is followed by spectroscopy, monitoring the absorption of a colored reactant. The reaction occurs in a 1.00 cm sample cell, and the only colored species in the reaction has a molar absorptivity constant of 5.6 x ..
Explain the contents of the closed box in each of the illustrations represent a system as well as the arrows show the changes to the system during some process. The lengths of the arrows represent the relative magnitudes
Problem- What is the final temperature (in oC) of a 38.3 g sample of aluminum (specific heat = 0.900 J/(g K)) which absorbs 85.5 kJ of heat when it warms from 79.6oC
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