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Why cultured animal cells can survive in the absence of linoleic acid
What is the dipole moment of a diatomic molecule having a bond length of 156.0 pm and 19 percent ionic character
determine the freezing point of a solution of 60.0g of glucose,C6H12O6,dissolved in 80.0g of water.
What is the density of an aqueous solution of potassium nitrate, that has a normal boiling point of 103.0 degrees Celsius, and an osmotic pressure of 122 at 25 degrees Celsius
Problem- When 6 M Na NaOH is added dropwise to a solution of AlCL3, a white precipitate forms which dissolves when 6 M HCl is added, Explain each observation below as well as write the balanced net ionic equations for the reactions that occur.
a. how would you prepare 100ml of 0.5m naoh? calculate the mass of naoh needed and describe the procedure and glassware
Question- A mixture consisting of 0.150 M N2(g) and 0.612 M H2(g) reacts and then reaches equilibrium according to the equation: N2(g) + 3H2(g) --->2NH3(g) At equilibrium, the concentration of ammonia is 0.213 M. Calculate the concentration (mola..
What mass (in grams) of solid sucrose (C12H22O11) would need to be added to 2000 grams of water to make an ideal solution with a boiling point of 102.9°C? (Kb for water is 0.512°C/m)
A sample of 1.42 g of Helium and an unweighed quantity of Oxygen are mixed in a flask at room temperature. The partial pressure of Helium is 42.5 torr and of oxygen is 158 torr.
under certain conditions, the combustion of charcoal (C) in the presence of o2 forms carbon monoxide (CO) according to the given balance equation.
the specific heat of silver is 0.24 J/g degree celsius. how many joules of energy are needed to warm 4.37 g of silver from 25 degree celsius to 27.5 degree celsius?
What is the molecular mass of a gas that diffuses through a porous membrane 1.26 times faster than Kr
This indicates that the solution is now more acidic, and the reaction shifts to the right, working to lower the concentration of hydrogen ions, and return to equilibrium
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