When you use a starch solution instead of a protein solution, the water will move from the dialysis tube to the solution. This is because water moves from where it is in a higher concentration to an area <span>where it is in a lower concentration
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Answer:
D. delta H is positive, and delta S is positive
Molar mass <span>CH2BrCH2Br = 188.0 g/mol
1 mole ---------- 188.0 g
</span>0.500 moles ----- ?
mass = 0.500 * 188.0 / 1
= 94.0 g
Answer C
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Answer:
160 Kg
Explanation:
This problem is solved by considering the mass balance. We know the density of water, which we will assume constant , the volume of water originally in the tank and the flows of water entering and leaving the tank.
Let m₀ mass of water initially in the tank
m₁ mass of water entering the tank and
m₂ mass of water exiting the tank
V tank volume
then
m₀ = D x V = 1000 Kg x 0.30 m³ = 300 Kg
m₁ = D Vwater in x time = 1000 Kg/m³ x 5 x 10⁻³ m /min x 20 min = 100 Kg
m₂ = D x Area Hose x Vel exit x time =
= 1000 Kg /m³ x 3.1416 x ( 0.02 m)² x 0.5 m/s x ( 20 min x 60 s/min)
= 240 Kg
mass of water initially + mass water in - mass water out =
(300 + 100 - 240) Kg = 160 Kg
Hello there,
The moment the tablet<span> starts </span>dissolving<span> a chemical reaction occurs that </span>Some<span> factors can change how quickly the carbon dioxide gas is produced. Stir the ice cubes in the jar for about a </span>minute<span> so that the temperature evens out.
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he tablets<span> effervesce, or fizz, when </span>dropped into water. Some<span> factors that influence the speed of a chemical reaction are: (1) Pour the </span>water<span> into 3 separate </span>glass<span> beakers.
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When the solid<span> material has </span>completely<span> disappeared and the bubbles have vaneished. Stir for a </span>minute<span> or two so that it mixes in.
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Hope this helped