law pAi=HACAi and the reaction rate equation given above‚ to eliminate the pressure and concentration at the interface (pAi and CAi) and to prove that the final rate expression for the overall rate of the process is -rA=pA1kAga+HAkAla+HAkCB Solution -rA=kAga(pA-pAi) (1) -rA=kAlaCAi-CA‚ (2) pAi=HACAi (3) -rA=kCACB (4) From (1) -rA=kAgapA-pAi=kAgapA-kAgapAi -rA=kAgapA-kAgapAi=kAgapA-kAgaHACAi (5) From (2) if we solve for CAi -rA=kAlaCAi-kAlaCA and CAi=-rA+kAlaCAkAla (6)
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|readily soluble | After looking at the solubility of impure acetanilide in the four solvents‚ water seems to be the best choice as a recrystallizing solvent. B. DECOLORIZING A SOLUTION OF IMPURE ACETANILIDE AND HOT FILTRATION 2. 1.5637 grams of impure acetanilide 5. 38 ml total solvent volume 7. Added tip of carbon black to mixture and mixture almost boiled over! 8. 28 ml total solvent volume C. ISOLATING THE RECRYSTALLIZED
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was used was the one that had the most consist numbers. What this means is that isotonic urine flow subject is not necessarily isotonic creatinine concentration subject. The kidney’s load for this was either a hypotonic‚ isotonic‚ alkalotic‚ or no solution at all. Based on the data above‚ some hypothesis were validated and other were not. In both the hypotonic and isotonic‚ the urine flow of the subjects increased as expected. This was due to the volume of water that the subjects had to drink. The
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Heterogeneous mixture is one that is not uniform in composition. Meaning that the chemical make up of the mixture is not the same. A Homogeneous mixture is one that is completely uniform in composition‚ meaning that the whole chemical makeup is the same. Solutions may be gases solids or liquids. Some mixtures can be separated into their components by simple physical methods. One method is called distillation. A liquid is boiled to produce a vapor that is condensed again to a liquid. Using this method lets
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tubings with 10 ml of the given substances accurately. Next‚ once the substances have been put into the tubes‚ with two finger‚ smooth the end of the tubing sso to release the excess air. Once that is done‚ proceed to clamp the other side encasing the solution. Make sure no leaks are present. Next‚ the team will proceed by placing each distinct dialysis tubing into the 6 beakers with distilled water before. Make sure the beakers and everything is labeled accordingly so no confusion is possible‚ as so:
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Crossing Brooklyn Ferry Whitman’s poem “Crossing Brooklyn Ferry” seeks to determine the relationship of human beings to one another across time and space. Whitman wonders what he means (not as a poet but as another anonymous individual) to the crowds of strangers he sees every day. In stanza 3 the speaker says‚ “I am with you‚ you men and women of a generation‚ or ever so many/ generations hence”. He assumes that they see the same things he does‚ and that they react in the same way‚ and that
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b.) The mass decreased or increased in each cylinder‚ depending on if the solution was hypotonic‚ hypertonic or isotonic. In Cylinder (A) the mass decreased‚ so liquid was released from the potato‚ because the cells in the potato would have burst if even more was absorbed‚ whereas the length stayed the same. In Cylinder (B) the mass and length increased‚ which means the potato cells absorbed some Sodium Chloride (NaCl)‚ so the cells don’t shrivel up and die. For Cylinder 3 the mass and length also
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water is hypertonic (lower water concentration) and the human body is hypotonic (higher water concentration)‚ causing the water inside the human body to move from its high concentration to the ocean’s low concentration. Bag 1 represents an isotonic solution‚ where the
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and the final change in temperature for urea was 2.09 °C. To cause these results‚ ammonium chloride‚ which is a salt of a weak base‚ more than likely dissociated into ammonium ions and chlorine ions‚ resulting in twice as many more particles in solution than urea‚ which probably doesn’t dissociate much or at all‚ in the water/ice
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them. When they are heated this water evaporates‚ the crystals become dehydrated and turn white. Equation for this Reaction. CuSo4 5H2O ---> CuSo4 + 5H2O Solute- Solid which is dissolving Solvent- liquid in which the solute dissolves Solution- the solute and solvent mixed together Sodium hydroxide- Soluble Copper Oxide- insoluble Calcium hydroxide- Insoluble Silver iodide- insoluble Aluminium nitrate- soluble Most ionic substances will dissolve in water but covalent substances
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