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Could you use redox titration to measure the amount of Mg2+ ion in a magnesium sulfate supplement tablet? Why or why not?
Assuming complete dissociation of the solute, how many grams of \rm KNO_3 must be added to 275 \rm mL of water to produce a solution that freezes at -14.5 ^\circ {\rm C}? The freezing point for pure water
What is the standard Gibbs free energy for this reaction? Assume the commonly used standard reference temperature of 298K, What is the Gibbs free energty for this reaction at 3652K? Assume that delta H and delta S do not change with tenperature.
What is the standard heat of reaction for- sugar and ethanol are "burned" to water vapor and carbon dioxide?
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the density of bleach is the same as water,
The tunnel is supplied with 1500 kg dry air/h at 50°C and 10% RH, and the air leaves at 25°C in equilibrium with the product at 50% RH. Determine the moisture content of product leaving the dryer and the final water activity.
a physician wrote a prescription for tylenol 325 mg5ml with codeine 10 mg5ml 5ml three times a day for 4 days as needed
A sample container of carbon monoxide occupies a volume of 435 mL at a pressure of 785 torr and a temperature of 298 K. What would its temperature be if the volume were changed to 265 mL at a pressure of 785 torr? A. 182 K B. 298 K C. 387 K D. 489..
Problem- What is the activity coefficient for each ion at the given ionic strength. Click here for an activity coefficient table.
Calcium fluoride has a Ksp of 3.9 x 10^-11 at 25 C. What is the fluoride ion concentration at equilibrium
Evaluate the advantages and disadvantages of UV treatment compared to chlorination.Which method is recommendable for a small town wishing to construct new water treatment facilities and why
Compute the pH of .325L of a .545M NaHSO3- .295M Na2SO3 buffer before as well as after the addition of the subsequent substances. Compute the after the addition of 5.0ml of 0.240M HCL
When determining the effective nuclear charge for a 1s electron, Slater's rules dictate that the other 1s electron must have a value of 0.30 not 0.35. Why?
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