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predict the products of each precipitation reaction. Balance the completed equation, and then write the net ionic equation. please show steps.
the numbers are all subscripts. didnt know how to write them on here.
Pb(NO3)2(aq) + KBr(aq) -->Ca(NO3)2(aq) + KF(aq) -->
reacting 931 mol of sio2 with excess carbon yields 29.6 kg of sic. what is the percentage
The combustion of magnesium metal is described by the following equation. What mass of magnesium must be burned to produce 1.00 kJ of heat
can you explain hesss law? how does the quantum mechanical model of the atom explain the difference between the
Determine the pH of a solution prepared by adding 0.0500 mole of solid ammonium chloride to 100 mL of a 0.150-molar solution of ammonia.
5 gram of solid calcium sulfate is added to 1 leter of pure water. what is the soncentration of dissolved sulfate once equilibrim is achieved
Calculate the difference in pH when 4.01 g of NaClO is added to 364.8 mL of 0.50 M HClO. Ignore any changes in volume.
A 0.250 mol sample of argon gas has a volume of 9.00 L at a pressure of 875 mm Hg. What is the temperature (in celsius) of the gas?
If 5.45mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram
1. Calculate the pH after 0.0 mL of KOH has been added. 2. Calculate the pH after 20.0 mL of KOH has been added. 3. Calculate the pH after 25.0 mL of KOH has been added. 4. Calculate the pH at the equivalence point. 5. Calculate the pH after 100.0..
Determine the standard reaction enthalpy for the partial combustion of methane to carbon monoxide.
Suppose that N2 gas may be described as van der waals gas. This gas (n=1.25 mol) is expanded isothermally and reversibly from a volume of 1 liter to 10 liters at 300K
Malonic acid is a diprotic acid used in the production of pharmaceuticals. A 0.6561 g sample of a m ixture of malonic acid (C3H4O4) and NaCl was titrated to the equivalence point with NaOH. The titration required 54.94 mL of 0.1009 M NaOH. Malonic..
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