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A 4.369 g sample of metal is placed in a flask. Water is added to the flask and the total volume in the flask is read to be 126.4 ml. The mass of the water, flask, and metal is 268.5 g. If the mass of the flask is 139.3 g and the density of water is 1.000 g/ml, the density of the solid is __________ g/cm3
Partition coefficient in octanol, A monoprotic acid with a Ka of 2.83 x 10-5 has a partition coefficient of 2.8 (favoring octanol) when distributed between water and octanol.
Determine the limiting reactant -reaction mixture initially contains no products
Describe at least 4 methods that could be used to attempt to separate the oil and water at home. Based on the four methods postulate which method would work better than the others.
Determine how many grams of copper sulphate are there in 219 grams of an aqeous solution that is 20.2% by weight of copper sulphate?
The reaction between solid sodium and Iron (III) oxide is one in a series of reactions that inflates an automobile airbag.
A gaseous mixture of O2 and Kr has a density of 1.111 g/L at 420. torr and 300. K. What is the mole percent O2 in the mixture?
A weather balloon at Earth's surface has a volume of 4 L at 285 K and 791 mmHg. If the balloon is released and the volume reaches 4.19 L at 711 mmHg.
Compute the mass of Trisodium phosphate required to remove all Ca^2+ ions from 2.50 Litres of the H 2 O sample?
What unusual aspect of water is responsible for it unique characteristics as both a liquid and as a solid? Give examples of how this property of water would affect food systems during processing.
Which halide has he lowest boiling point? Explain your choices. (CH3)2CH2Br vs CH3CH2CH2Br c. Which is a better nucleophile? Explain our choice.
Consider the titration of a 24.0 ml sample of 0.120 M HC2H3O2 with 0.105 M NaOH. Determine the initial pH.
Based on Liquid Chromatography, how can I changed if the capacity value and selectivity value and resolution value is not in the proper range?
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