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Mercury (I) cyanide is a severely toxic substance with a Ksp of 3.8x10^-40. If the following solutions are combined, what is the final concentration of cyanide? i. 500. mL of a 0.47 M Hg2(NO3)2 solution; ii. 500. mL of a 0.77 M NaCN solution
A closed end manometer was constructed from a U-shaped glass tube which was 80.0 cm high. It was loaded with mercury so that the closed side was filled all the way to the top
Water softeners remove metal ions of Ca2+ and Fe3+ by replacing them with enough Na+ ions to maintain the same number of positive charges in the solution.
80.0 of is initially at room temperature (22.0). A chilled steel rod at 2.0 is placed in the water. If the final temperature of the system is 21.2, what is the mass of the steel bar
This is mixed in with water, but I can't find anything in my book showing examples of this. The following is what I need help with:
Which of the following constants is/are needed to calculate the amount of energy required to heat 30.5g of H2O(s) at -25.0 degreeC to H20(L) at 5.0 degreeC?
Explain why emission spectrophtometry has the ability to be much more sensitive than absorbance spectroscopy
A 25.0-mL aliquot of vinegar was diluted to 250 mL on a volumetric flask. Titration of 50.0-mL aliquots of the diluted solution required an average of 34.88 mL of 0.09600 M NaOH. Express the acidity of the vinegar in terms of the percentage (w/v) ..
Atmospheric pressure decreases as altitude increases. In other words, there is more air pushing down on you at sea level, and less air pressure pushing down on you when you are on a mountain.
A pound of coffee beans yields 48 cups of coffee. How many milliliters of coffee can be obtained from 1 g of coffee beans?
Clearly sketch both a Michaelis-Menten plot (initial velocity vs. substrate concentration) and a Lineweaver-Burke (double-reciprocal) plot showing the activity of an enzyme
what is the relationship between the carbon to nitrogen bond lengths and bond order for HCN molecule
The solution's boiling temperature is 103.25 degrees celsius. What is the molar mass of this molecular compound?
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