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Explain how a detergent removes oil from a cloth when laundry is done. Include micelles in your discussion. You may use drawings to aid your explanation.
A solution is prepared by dissolving 49.3 g of of KBr in enough water to form 473 mkof solution. calculate the mass % in the soulutionif the density is 1.12 g/mL
The final temperature of a mixture of solution prepared by dissolving 2.50 gram of NaOH in 75.0 mL of water (both initially at 25 degrees C) increases to 25.5 degrees C. Is this process exothermic or endothermic. What is the enthalpy of solution o..
Consider the following reaction at constant P. Use the information here to determine the value of Ssurr at 298 K. Predict whether or not this reaction
Determine which of them exhibit resonance. (In other words, which of the following molecules exhibit resonance? Note: there is more than one answer and you must choose all of the molecules in the list that exhibit resonance.)
Discuss the relationship between the proper functioning of enzymes and the tertiary structure of proteins
Zinc is extracted from its ore by heating with carbon in the blast furnace. How much zinc oxide do you need to make 130 g of zinc?
Calculate the number of moles of aluminum, sulfur, and oxygen atoms in 8.00 of aluminum sulfate, Express the number of moles of Al, S, O, and atoms numerically, separated by commas.
why is it essential to evaporate methanol quickly (within 10-15 minutes) if you are isolating the aspirin
Determine the mass, of: a.30.0 mL of the liquid propylene glycol, a moisturizing agent for foods,
A gaseous mixture contains 420.0 Torr of H2(g), 391.3 Torr of N2(g), and 79.5 Torr of Ar(g). Calculate the mole fraction, X, of each of these gases.
This experiment focused on a carbonyl group converted to an imine and then to an amine. Explain what spectroscopic techniques you could use to identify the progress of this reaction
Glycerol, C3H8O3, is a water-soluble liquid of density 1.2656 g/ml at 15oC. Calculate the molarity of a solution of glycerol made by dissolving 40.000 ml glycerol at 15oC in enough water to make 250.000 ml of solution.
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