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Given the following equation, how many grams of PbCO3 will dissolve when 1.5L of 1.00 M H+ is added to 6.00g of PbCO3? PbCO3(s) + 2H+(aq) = Pb^2(aq)+ +H2O (l)+ CO2(g)
Place a coffee cup that holds hot coffee in a cold room and let it sit there for 4 hours. Consider the coffee inside the coffee cup as your system
A 10.0L container of helium gas with a presure of 250mmHg at 0 degrees Celsius is heated to give a pressure of 1500mmHg. What is the temperature in degrees Celsius?
unknown concentration of the weak base ammonia are standardized. 50.0 mL of the basic solution are titrated with 0.200 M HCl. The end point occurs after 38.8 mL of acid are added. What is the concentration of ammonia in the 2 L flask?
If the tempurature of the combined solution rises to 27.8 degree C what is the DeltaHrxn (delta heat reaction) (in kJ/mole) for this process?
How many moles of magnesium and moles of chlorine ions are present in 123.4 mL of a .345 M solution of magnesium chloride
Vapor pressure measurements at several different temperatures are shown below for mercury. Determine graphically the molar heat of vaporization for mercury.
When Mg-EDTA is added to a sample to compensate for a lack of Mg^+2, why is no blank correction necessary
Determine how much silver ion(Ag+) is left in solution if you mix 0.10 mole of silver nitrate AgNO3 with 0.20 mole of sodium hydroxide NaOH to make a one litre solution.
A solution of ammonia and water contains 3.00×1025 water molecules and 5.10×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
Draw and exlpain using representation of molecular orbitals the structure and bonding found in ethane; indicate clearly the structure
State the composition and the properties of the ketohexose derived from fruit jam. Describe the manner in which ketohexose acts as a reducing sugar in the test.
As the electron in a hydrogen atom jumps from the = 3 orbit to the = 7 orbit, does it absorb energy or emit energy?
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