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1. Write the following molecular equation, complete ionic equation, and net ionic equation for the following reactions:
a) Potassium iodide and silver nitrate solutions are mixed, forming a precipitate of silver iodide.
b) Solutions of potassium carbonate and nitric acid are mixed.
c) Iron metal is dropped into a solution of hydrochloric acid, forming iron (III) chloride.
2. A drop of silver nitrate solution is placed onto the wellplate, and the drop turns a cloudy white. Is the silver nitrate reacting with the plastic of the wellplate? If not, what is the most likely explanation for this occurence?
Consider the following equilibrium process at 686°C: CO2(g) + H2(g) ? CO(g) + H2O(g) The equilibrium concentrations of the reacting species.
Na3PO4+CaCl2 ---> Ca3(PO4)2+NaCl if 0.996 g of Na3PO4 are provided, how many grams of Ca3(PO4)2 should be formed?
Ammonia and hydrogen chloride gases react to form solid ammonium chloride. A 10.0 L reaction flask contains ammonia at 0.450 atm and 22°C, and 164 mL of hydrogen chloride gas at 7.50 atm and 271 K is introduced
The half life of Iodine-131 is 8.0252 days. If 14.2 grams of I-131 is released in Japan and takes 31.8 days to travel across the Pacific
What is the molarity of sucrose, C12H22O11, that contains 125 g of sucrosein 3.50L of solution?
If a 220 mg piece of gold (density =19.32 g/cm^3) is hammered into a sheet measuring 2.3x1.0 ft, what is the average thickness of the sheet in meters?
Cyclopropane is made up of 85.7% C and 14.3% H. What is the molecular formula of cyclopropane? And what is it chemical formula?
What effect on the boiling point of a liquid is produced by: a) The presence of a soluble non-volatile impurity?
Determine the amount of heat produced when 100 g of CH4 combust, CH4 + 2O2 yields CO2 + 2H2O + 1063kJ
a sample of gas is collected over water at a temperature of 35.0C when the barometer pressure reading is 742.) torr. What is the partial pressure of oxygen?
What is the pressure (in atm) exerted by a 2.00 mole sample of gas that occupies 2.50 L at 307.15K? The value of R = 0.0821 L atm mol - 1 K - 1 .
Calculate the final temperature of 37 mL of ethanol initially at 11 degrees C upon absorption of 624 J of heat. (density of ethanol =0.789 g/mL).
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