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For the following salts, determine the mass of solid that dissolves in 421 mL of water at 25 oC.
a.) If the molar solubility of lead(II) chloride is 1.6E-2, what mass of solid lead(II) chloride dissolves in 421 mL of water at 25 oC? (in grams)
b.) If the molar solubility of magnesium carbonate is 2.6E-3, what mass of solid magnesium carbonate dissolves in 421 mL of water at 25 oC? (in grams)
c.) If the molar solubility of nickel(II) hydroxide is 5.2E-6?, what mass of solid nickel hydroxide dissolves in 421 mL of water at 25 oC? (in grams)
A mixture containing 0.432 mol He(g), 0.312 mol Ne(g), and 0.721 mol Ar(g) is confined in a 8.00 L vessel at 25 °C and a total pressure of 2.92 atm. Calculate the partial pressure in atm of the He gas.
Determine the dominant configuration of energy for this system by identifying energy configurations and calculating the corresponding weights. What is the probability of observing the dominant configuration
c2h2g2h2g-gt c2h6gc2h2- delta h 226.7c2h6- delta h -84.7a.write the equation for the heat of formation of c2h6gb. use
Glycine can be obtained in three forms (differing in charge and conjugate ions): (a) glycine hydrochloride, (b) isoelectric glycine (sometimes called glycine, free base), and (c) sodium glycinate. Draw the structures of these three forms.
Explain the rate of a reaction is 15.0M/min at room temperature. Define if the reaction is conducted in a refrigerated environment, state what is likely to happen to the reaction rate
Draw the major organic product formed in the following reaction. (The reaction stoichiometry is 1 mol reactant: 1 mol Br2.)
the Standard Gibbs energy change associated with this oxidation reaction is ca. 0. kJ/g.
A baseball weighs 5.17oz . What is the kinetic energy in joules of this baseball when it is thrown by a major-league pitcher at 91.0mph. By what factor will the kinetic energy change if the speed of the baseball is decreased to 55 {\rm mph}
the label on an aerosol spray can contains a warning that the can should not be heated to over 130degf because of the
how much heat energy is required to change 1.00*10^3 of ice at -30.0c to steam at 150c
for the following electrochemical cellzns zn21 m h?m h21 atmpta what reaction takes place at the anode? b what
After distributing the remaining valence electrons so that the carbon and each chlorine atom has an electron octet, write the lewis structure for CCl4 in the box.
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