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Which of the following properties indicates the presence of strong intermolecular forces in a liquid
a. a low heat of vaporization
b. a low critical temperature
c. a low vapor pressure
d. a low boiling point
e. none of these
A patient has 48 ml. of blood drawn and this volume of blood has a mass of 39.5 g. what is the specific gravity of the blood?
To what volume must 558 mL of 13 M Ca(OH)2 solution be diluted to make a 3 M Ca(OH)2 solution?
Calculate the temperature of the system once equilibrium has been reached. Assume that CP,m for Au(s) and H2O(l) is constant at their values for 298 K throughout the temperature range of interest.
A .500M solution of a weak acid, HX, is only partially ionized. The [H+] was found to be 3.69x10^-3M. Find the dissociation constant for this acid.
A cylinder contains a mixture of hydrogen and chlorine molecules. Compare without doing any calculations
adding a few drops of a strong acid to water will lower the pH appreciably. however, adding the same number of drops to a buffer does not appreciably alter the pH. why
Calculate the amount of heat liberated (in kJ) from 293 g of mercury when it cools from 79.0°C to 14.0°C.
What is the percent yield of a reaction in which 282 g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 114 g HCl?
In the commercial manufacture of nitric acid, how many liters of nitrogen dioxide will produce 30 liters of nitric oxide given that both gases are at STP? 3NO2 + H2O-> 2HNO3 +NO
Arrange equimolar solutions of the following compounds in the increasing pH (lowest to highest). Explain your answer.
a reaction that establishes equillibrum with almost no reactants pressent will be one of the following. a) exergonic reaction b) has a negative G degree c) has a large keq d) all of the above
Determine How many mg of a 298 mg sample remains unreacted after twenty three days if 32P decompose by a first-order mechanism, half-life = 14.3 days.
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