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If Dan is working in the lab and measures the mass of an iron rod to be 1.25 g and the accepted value from the instructor was given as 1.30 g, what was dan's percent error
what is the expected boiling point of a brine solution containing 30.00g of KBr dissolved in 100.0g of water?
When an alkyne, such as but-2-yne, is subjected to D2 and palladium, 2 equivalents of D2 are added. When an alkene, such as cis-but-2-ene, is subjected to these conditions, only 1 equivalent of D2 is added. When an alkane, such as butane is subjec..
A refrigeration system contains 575 ml of a gas at 22 degrees C and 1.25 atm. The gas is compressed until it has a pressure of 2.00 atm and a temperature of -6 degrees C. What is the new volume of the gas in the system
Draw and label the flowchart and show the degree of freedom analysis for the overall process, the split point, the treatment unit, and the mix point.
Identify the best nucleophile for 2-bromo-2-methylpropane and 2-chloro-2-methylpropane in an Sn1 and a Sn2 reaction; acetone, isopropanol
The normal boiling point of ethanol (C2H5OH) is 78.3 °C and its molar enthalpy of vaporization is 38.56 kJ/mol. What is the change in entropy in the system in J/K when 62.2 grams of ethanol
Using the calibration equation and the absorbance you measured for the prepared sample, calculate the ferroin concentration. Show your work and don't forget to include units.
An aqueous CaCl2 solution has a vapor pressure of 83.7mmHg at 50 C . The vapor pressure of pure water at this temperature is 92.6mmHg.
A lead fishing weight with a mass of 68 g absorbs 146 cal of heat. If its initial temperature is 56°C, what is its final temperature.
Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
what solution will have the lowest boiling point?
Perform a series of experiments for the reaction A?B+C and find that the rate law has the form rate = k[A]x. Determine the value of x in each of the following cases.
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