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Determine whether a solid forms when solution containing the following salts are mixed. If so, write the ionic equation and the net ionic equation.
a) NA3PO4 and AgNO3 B) K2SO4 and K2S
c) Pb(NO3)2 and Na2CO3 D) BaCl2 and KOH
In the reaction of lithium, li with nitrogen n2 three lithium atoms react with on nitrogen atom elements lose one electron, atoms of the other element gain three electrons
Integrate the expression b = 1/V (derivative of V / derivative of T) at constant pressure, assuming that b is independent of temperature. By doing so, obtain an expression for V as a function of T and b at constant P. b means beta
A 25.0 mL sample of a 0.115 M solution of acetic acid is titrated with a 0.144 M solution of NaOH. Calculate the pH of the titration mixture after 10.0, 20.0, and 30.0 mL of base have been added.
A student creates a coffee cup calorimeter for lab. The coffee cup contains 30 mL of water at a temperature of 55.5 °F. He then adds 65.4mL of water, at 165.5 °F, into the coffee cup. The final temperature of the coffee cup is 120.3 °F.
If a buffer solution is 0.270 M in a weak base (Kb=7.5 x 10^-5) and 0.410 M in its conjugate acid, what is the pH?
A solution is prepared by dissolving 11.60 g of a mixture of sodium carbonate and sodium bicarbonate in 1.00 L of water. A 300.0- cm^3 sample of the solution is then treated with excess HNO3 and boiled to remove all the dissolved gas
Using paper chromatography, a student separated a dye spot into three components, A, B, and C. The components traveled 4.2 cm, 5.7 cm, and 8.0 cm,. respectively from their initial position on the strip
Redraw the Lewis structure using overlapping valence bonds enclosing pairs to show that carbon and nitrogen obey the octet rule.
Based on the standard reduction potential, which species is oxidized when current is allowed to flow? B. Calculate the value of Q, the reaction quotient, for this cell reaction. C. Calculate the actual cell potential at 25 degrees C.
You obtain the following six measurements for the mass of water delivered by a special calibrated volumetric pipette
A 1.800 g sample of solid phenol (C6H5OH) was burned in excess oxygen in a bomb calorimter whos heat capacity is 11.66 kj/°C. The temprature increased from 21.36°C to 26.36°C.
An industrial waste from a metals industry contains approximately 5*10^-3 M H2SO4. Before being discharged into the stream, the water is diluted with tap water in order to raise the pH.
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