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Consider that the human brain weighs about 1 kg and contains 1011 cells. Assuming that each cell is entirely filled with water, and knowing that 1 cm3 of water weighs 1g, calculate the average volume of a brain cell (in picoliters).
The solubility product Ksp for silver iodide is 1.5X10%u221216 at 298K. calculate the osmotic pressure of a saturated aqueous solution of silver iodide at this temp. you may assume that the solution behaves ideally.
Catalytic hydrogenation of naphthalene with one equivalent of H2 produces a single compound with molecular formula C10H10. What is the structure of this compund
What is the reaction order with respect to each reagent for the following reaction? Then write the rate law equation.
complete and balance the equations for each of the following reactions: a)KHCO3(s)+HBr(aq)> b)Ca(s)+H2SO4(aq)> c)H2SO4(aq)+Ca(OH)2(s)> d)Na2CO3(s)+H2SO4(aq)>
Calculate pCu at the equivalence point in the titration of 20.0 mL of 0.0161 M CuSO4 with 0.0100 M EDTA at pH 8.00.
An indicator has a pKa of 5.7 . It is colorless in acid solution and deep green in alkaline solution.
Determine the ksp magnesium hydroxide where the solubility of Mg(OH)2 is 1.4x 10-4
Nitrous oxide gas is used by some denatl practitioners as a anesthetic. Nitrous oxide can be produced in small quantities in the laboratory by cardful heating of ammonium nitrate. Write the unbalanced chemical equation for the reaction.
to obtain the same antifreeze protection requires 76g of propylene glycol to replace each 62g of ethylene glycol.
What is the pH of an aqueous solution with a hydrogen ion concentration of [H ] = 9.4 × 10-7 M?
A 18.0 L gas cylinder is filled with 6.00 moles of gas. The tank is stored at degrees celsius. What is the pressure in the tank
What is the product when phenylmagnesiumbromide (grinard reagent) is reacted with Ch3Ch2CN in ether and H3o+?
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