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1. When numbers are added or subtracted and you wish to determine the error associated with the answer, should their relative or absolute errors be added to obtain the value? Please write relative or absolute in the box below for your answer.
2. When numbers are multiplied or divided and you wish to determine the error associated with the answer, should their relative errors be multiplied or added to obtain the value? Please write multiplied or added in the box below for your answer.
What mass of ethylene glycol must be added to 846.7 grams of qater to increase the boiling point to 101.05 Celsius
use your titration results to calculate the molar concentration (molarity) of the Ba(OH)2 solution using the molar amounts of H2SO4 used in each trial
If a raindrop weighs 65 mg on average and 5.1 105 raindrops fall on a lawn every minute, what mass (in kg) of rain falls on the lawn in 1.5 h?
The amino acid sequence shown below represents a portion of a peptide obtained from a large protein.
What is the molarity of the salt formed when 100 mL of 1.0 M NaOH and 100 mL of 1.0 M HBr?
Balance the following reactions. You may have to supplement the reaction with H+, H2O, or OHdepending on the reaction conditions
Calculate the pH of the solution formed by the addition of 55.5 mL of 0.100 M NaOH to 49.2 mL of 0.100 M H3PO4.
A voltaic cell is constructed by immersing a strip of silver in a 1.0M AgNO3 solution and a strip of cadmiun metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. What is the cell potential for t..
Why would you reflux any reaction. Why wouldn't you simply boil the reaction in a erlymeyer flask
what determines the order in which the component elements of binary compounds are written?
The final temp of the water is 30.8 C. Calculate the mass of water in calorimeter
Traumatic acid has a distribution coefficient of 5.8 between MtBE and water. If 75 mg of traumatic acid is added to a centrifuge tube containing 3mL of water and 2mL of MtBE, how much traumatic acid would be in each layer after thorough mixing
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