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Dye Diffusion Experiment Questions
1. What is the effect of water temperature on the pattern of diffusion of blue dye in water?
2. What is the effect of the volume of water on the pattern of diffusion of blue dye in water?
3. What is the effect of the shape of the container (flask v. beaker) on the pattern or diffusion of blue dye in water?
4. What is the effect of the depth of the water (plastic cylinder v. plastic cup) on the pattern or diffusion of blue dye in water?
5. What is the effect of the container material (glass v. plastic dish) on the pattern of diffusion of blue dye in water?
6. What is the effect of dissolved salt (salt water v. plain water) on the pattern of diffusion of blue dye in water?
7. What is the effect of dissolved soap (soapy water v. plain water) on the pattern of diffusion of blue dye in water?
a sample of N2O3(g) has a pressure of 0.019atm. the temperature(in K) is then double and the N2O3 undergoes complete decompositopn to NO2(g) and NO(g).
The specific heat capacity of graphite is .71 J/gC. Calculate the energy required to raise the termperature of 283 grams of graphite by 112 degree C.
A voltaic cell is based on the reaction Sn + I2 = Sn2+ + 2I-.
Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1.
How many grams of magnesium must react to displace 12.5 g of silver from a solution of silver nitrate?
determine the amount of heat energy needed to convert 255g of substance x from 40 degrees to 300 degrees
How many moles of Na2SO3 were added to the calorimeter cup if 30.0mL 0.50 M NaOCl and 70.0mL 0.50 M Na2SO3 were combined?
A 97 gram solution of silver nitrate contains 10 grams of AgNO3. What is the percent by mass of silver nitrate in this solution. Answer in units of %
How much heat is liberated by the combustion of 183 g of hydrogen? ΔHcomb = -286 kJ/mol.
A bottle containing 330 of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
What volume of O2 gas (in L), measured at 782 mmHg and 25C is required to completely react with 53.2 g Al
Suppose that you have 1.55grams of nitroglycerin( also known as nitroglycerine, trinitroglycerin, trinitroglycerine) in a 603.0 mili litres of steel container at 20 degree celsius and one atm pressure.
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