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Question- The normal melting point of water is 273.15 K. What is the freezing point depression constant for water, assuming the ?H fusion for water is 6.008 x 103 J/mol?
Solve the above the problem in detail no word count
The water level in a graduated cylinder initially at 211 rises to 282 after a piece of lead is submerged. What is the mass in grams of the lead.
Osmium has a density of 22.6 g/cm3. What volume would be occupied by a 21.8 g sample of osmium?
According to the following reaction, how many moles of water are necessary to form 0.868 moles magnesium hydroxide? magnesium nitride (s) + water (l) --------> magnesium hydroxide (aq) + ammonia (aq)
The titration curve of a 1.00 M unknown acid solution shows that the pH at the equivalence point is 9.16 and the pH halfway to the equivalence
a solution formed by dissolving 166.6 grams of common table sugar in 686.2 ml of h2o. compute the vapor pressure at 25
the overall reaction in the lead storage battery is below.pbs pbo2s 2 haq 2 hso4oline aq 2 pbso4s 2 h2olcalculate
A 21.70mL volume of 0.0940 M NaOH is required to reach the phenolphthalein endpoint in the titration of a 3.06g sample of vinegar. calculate the number of moles of acetic acid in the vinegar sample.
To get hold of 8.0g of potassium dichromate from a solution labeled 5.0% by mass, explain how many grams of solution are needed
Assuming that equal numbers of moles of each were released into the air at ground level, rank these four compounds in terms of their potential to catalytically destroy ozone in the stratosphere. Explain
An aqueous solution is made by dissolving 25.8 grams of magnesium nitrate in 395 grams of water. What is the molality of magnesium nitrate.
The volume of a gas is 2.80 L, measured at 1.00 atm. What is the pressure of the gas in mmHg if the volume is changed to 9.11 L
Explain what will the pH be for a solution that consists of equimolar weak acid and the anion of the weak acid where the Ka for the weak acid is 6.4 x 10-5
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