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Which of the following choices is the correct measurement to record in your data if the digital readout on a balance won't stop jumping from "64.382" to "64.381" grams?
Question- A crystal lattice has copper at all the corner positions and nickel at all the edge positions in a unit cell. What is the formula of the unit cell
Find the activation energy barrier for this reaction. What temperature should I use if I want the reaction to have a rate constant that is 10 times bigger than the rate constant found at 600K
Problem- Neutral molecules tend to evaporate from aqueous solution, while ions do not. Explain why this is so, with reference to intermolecular forces between water and the two types of solutes.
Using condensed formulas, draw the mono-,di-,and triglycerides that would result from the esterification of glycerol with each of the following fatty acids: a) Palmitic acid b) Lauric acid
Calculate the number of coulombs required to produce 6.53 g of Hg from an aqueous solution of Hg2+
a solution is prepared by mixing 50.0 ml of 0.30 m pbno32 with 50.0 ml of 1.4 m kcl. calculate the concentrations of
The average human is 62 kg. There are about 6 billion people on the planet. In one week period explain what is the total increase in entropy of the universe coming from us humans. Explain the average temperature on earth is 293 K.
Problem- If the vapor pressure of an unknown solvent is 400.0 torr, and a solute has been added that is a 5% mole fraction of the total solution, what is the new vapor pressure of the solution
Comment on whether or not it is/was worthwhile to add Vitride to a sluggish Grignard reagent formation based on your answer to part 2 above as well as based on how you characterized the product.
the atomic radius of a helium atom is 31 pm. what is the diameter of one helium atom in centimeters?
What is the partial pressure of N2(g) (in atm) in a container filled with 0.1 mol N2(g), 0.2 mol O2(g) and 0.35 mol CH4(g) when the total pressure in the container is 5.0 atm
What is the mRNA sequence for the following segment of DNA: GACTATCCCATAGAG Based upon the mRNA sequence, what is the peptide sequence
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