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Can anyone help me identify the relationship between the energy barrier in a typical DLVO theory graph and the time it takes for a colloid to start coagulating? The only information given is temperature (room temp) and weight percentage of the colloid (10%).
A student in lab has 3.00 g of pure N2 in 0.541 g pure H2. The reaction happens following this equation: N2(g) + 3H2(g) → 2NH3(g) How many grams of NH3 would be produced?
8.00×10^-3mol of HBr are dissolved in water to make 14.0L of solution. What is the concentration of hydroxide ions,[OH-] , in this solution and 4.00g of NaOH are dissolved in water to make 2.00L of solution. What is the concentration of hydronium ..
a graduated cylinder reads 4 ml of water.then a shell is dropped into it and the water level rises to 12 ml.what is the volume of the shell?
How many moles of NaBrO should be added to 1 l of 0.200 M hypobromous (HBrO) acid to obtain a buffer of pH 8.80 (assume no volume change occurs when solid NaBrO is added)? The pka of the acid is 8.70.
calculate the amount of heat needed to convert 96g of ice at -24 degrees celcius to water at 28 degrees celcius. the
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water
Propose a mechanism for the following reaction, using arrows to show the flow of electrons. Be sure to show every step.
The mean free path is the average distance a molecule will travel before colliding with another molecule. From kinetic gas theory (which is explained in any pchem text and probably some general chem texts as well if you're curious),
A refrigeration system requires 1.5 kW of power for a refrigeration rate of 4 kJ/s. (a). What is the coefficient of performance? (b). How much heat is rejected in the condenser. (c). If heat rejection is at 40 deg. C, what is the lowest temperatur..
The solution contains twice as many moles of dissolved NaCl as dissolved mgso4, and three times as many moles of LiCl as NaCl. These are the only solutes. what masses of NaCl, MgSO4, and LiCl are contained in 7500 kg of this solution
When determining the pressure of dry hydrogen gas, explain how the measured atmospheric pressure is corrected for the presence
In lab a student titrates 50.00mL of an unknown monoprotic weak acid with 35.5mL of .9500M NaOH to reach the equivalence point of the titration. What volume of NaOH was delivered to reach the midpoint in this titration
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