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Describe the 4 levels of protein structure. Why is shape so important?
Clove oil is produced by steam distillation of cloves. We use basic extraction to leave behind most of the other organic products in the clove oil.
Define the ionization energies corresponding to removal of the third, fourth, and fifth electrons are 4581 kJ/mol, 7465 kJ/mol, and 9391 kJ/mol, respectively. Define why removal of each additional electron requires more energy than removal of the ..
Running a TLC of Unknown Compound X using eluent hexane:ethyl acetate 4:1. The Rf of the unknown is too close to the baseline. What should I do?
What is the concentration (in M) of the nitrate ion when 18.4 mL of a 0.744 M solution of sodium nitrate is combined with 15.9 mL of a 0.734 M solution of copper(II) nitrate? Assume the volumes are additive.
Define internal energy and enthalpy. What is the difference between the two? List the following gases in order of increasing root-mean-square speed, all at the same temperature: H2, He, O2, Ne
Suppose you made up a solution in which you dissolved 4.5 g of glucose (C6H12O6) into a total volume of 200mL. What is the % w/v concentration
A 0.75-L bottle is cleaned, dried, and closed in a room where the air is 24°C and 50.% relative humidity (that is, the water vapor in the air is 0.5 of the equilibrium vapor
How much heat in kilojoules is required to warm 10.0 g of ice, initially at -10.0^\circ C, to steam at 110^\circ C. The heat capacity of ice is 2.09 {\rm J}/{\rm g} ^\circ {\rm C} and that of steam is 1.84 {\rm J}/{\rm g} ^\circ {\rm C}. q=?kJ
Question- It takes 45.0JJ to raise the temperature of an 9.00gg piece of unknown metal from 13.0C to 24.0C. What is the specific heat for the meta
what volume of nitrogen gas is needed to react completely with 150.0 L of hydrogen in the production of ammonia.
Water is flowing in a horizontal pipe (1 inch, schedule 40) with a velocity of 2 ft/s and a pressure of 10 psia. The water enters a second section of pipe that is 4 inch schedule 40. What is the pressure in the section of pipe if friction can be i..
What gas was produced by the decomposition of hydrogen peroxide? What happens when a smoldering toothpick comes in contact with the gas?
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