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Explain solids, liquids and gases in terms of how they fill a container, Utilize your descriptions to identify the physical state at room temperature of the subsequent 1.helium in a toy balloon. 2. Mercury in a thermometer. 3. Soup in a bowl
Consider 25.0 g of water at 21.7°C that are mixed with 25.0 g of water at 43.3°C in a foam cup calorimeter. The equilibrium temperature reached was 30.4°C. Calculate the calorimeter constant in J/°C.
Nitrous acid, HNO2, is a weak acid that is partially dissociated (broken apart) in aqueuous solution. What is the equilibrium concentration of HNO2 if the extent of dissociation in 2.00M HNO2 is 0.58%. The equilibrium equation is shown below.
One mole of an ideal gas with a volume of 2.5 L and a pressure of 5.0 atm is allowed to expand isothermally into an evacuated bulb to give it a total volume of 5.5 L. Calculate w and q. Also, calculate qrev for this change of state.
a concentration of 8.00 x 102 ppm by volume of carbon monoxide is considered lethal to humans. calculate the volume in
Balance the subsequent redox equation, using half-reactions. Presume that the reaction occurs in an aqueous solution.
What is the potential (volts) of the cell at 25oC when the appropriate beakers are constructed to have MnO2 = 0.0127 mols, [H+] = 0.0130 M, [Mn2+] = 0.167 M, [IO3-] = 0.146 M, and I2 = 0.0154 mols [Note: The standard reduction potentials of the tw..
if equal concentrations of acrylonitrile c 3h 3n and methyl methacrylate c5h8o2 were each polymerized at temperature
A mixture of acetone and toluene is boiled at 60 C and at 760 mm Hg. What is the ratio of acetone to toluene in the vapor phase?
calculate the number of grams of sulfuric acid in 0.500 l of battery acid if the solution has a density of 1.28gml and
Define the maximum electronic energy that a hydrogen atom can have is 0 KJ/mole at which point the electron would essentially be removed from the atom also it would become a H+ ion. Define how much energy is kilojoules per mole does it take to ion..
The reaction SiH4 --> Si + 2H2 has a k= 0.048M/min at 500 degrees Celsius and k= 49.0M/sec at 700 degrees celsius.
Air is about 78.% nitrogen molecules and 21.0% oxygen molecules. Several other gases make up the remaining 1% of air molecules.
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