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Salwa Saif

Salwa S.

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Questions asked

INSTANT ANSWER

the structures in this figure A provides anchorage points between adjacent cells B allow the transport of small molecules and ions between adjacent cells

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INSTANT ANSWER

Benzoyl chloride, CoHCOCI, reacts with water t0 form benzoic acid, C6HsCOOH_ and hydrochloric acid. This first-order reaction is 25% complete after 26 $. What is the rate constant? (b) How much longer would one have t0 wait in order t0 obtain 99% conversion ofbenzoyl chloride t0 benzoic acid?

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ANSWERED

Hitendra Singh verified

Numerade educator

The first-order rate constant for the decomposition of dimethyl ether CH4(g) + H2(g) + CO(g) , is 3.2 x 10-4 s-1 at 450 oC. The reaction is carried in a constant volume flask. Initially only dimethyl ether is present and the pressure is 0.350 atm. What is the pressure of the system after 8 min. Assume ideal behavior.

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ANSWERED

Ivan Kochetkov verified

Numerade educator

what is the possible experimental method by which the rate of the following reaction could be measured CaCO3 TO CaO +CO2

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ANSWERED

Supreeta N verified

Numerade educator

What is the percent by mass of a Na2SO4 solution in water with a mole fraction of Na2SO4, X = 0.350 ?

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ANSWERED

Ivan Kochetkov verified

Numerade educator

what is the possible experimental method by which the rate of the following reaction could be measured CaCO3 TO CaO +CO2

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ANSWERED

Sima Sarker verified

Numerade educator

the osmotic pressure of 0.01M CaCl2 and urea at 25C are 0.605 and 0.245 atm respectively . calculate the vant hoffs factor for CaCl2

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INSTANT ANSWER

the osmotic pressure of 0.01M solutions of CaCl2 and urea at 25C are 0.605 atm and 0.245 atm respectively. calculate the vant hoff factors

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ANSWERED

Aparna Shakti verified

Numerade educator

For a dilute aqueous solution in which the density of the solution is roughly equal to the density of the solvent, the molarity of the solution is equal to its molality. Show that this statement is correct for a 0.01M aqueous urea

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ANSWERED

Aparna Shakti verified

Numerade educator

For a dilute aqueous solution in which the density of the solution is roughly equal to the density of the solvent, the molarity of the solution is equal to its molality. Show that this statement is correct for a 0.01M aqueous urea

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