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How many kilojoules are required to raise the temperature of a 150. g sample of silver from 25 degree celcius to 135 degree celcius? silver has a specific heat of 0.235J/g degree celcius.
calculate the total length obtained when you add 12.3cm, 2.75dm, and 0.450m. give the answer in centimeters
Diethyl ether has a deltaH vap of 29.1 kJ/mol and a vapor pressure of 0.703 atm at 25.0 C. What is its vapor pressure at 81.0 C
A proton in a linear accelerator has a de Broglie wavelength of 138 pm. what is the speed of the proton?
determine how do you know if there must be a precipitate or not and Show whether or not a precipitate will form if The Ksp of PbI2 =9.8×10-9
How do you derive the Schrodinger equation for a right angle isosceles triangle?
What mass of precipitate will form if 1.50L of concentrated Pb(ClO3)2 is mixed with 0.250L of 0.290 M Nal?
In the reaction between p-aminophenol and aetic anhydride to form acetaminophen, 0.450 mL of water was added. What was the purpose of the water
Dimethyl sulfoxide is an aprotic dipolar solvent that readily dissolves many inorganic salts. Water is a protic dipolar solvent that dissolves inorganic salts.
When 1.00 g of urea (CO(NH2)2) is dissolved in 200g of solvent A, the freezing point is lowered by 0.250C. When 1.50 g of the nonelectrolyte Y is dissolved in 125 g of the same solvent
70g of ice at 0 degrees celcius. is added to 355mL of water at 25 degrees celcius. Find the final temperature of the water when the ice is fully melted
A balloon has a volume of 10,500 liters, and the temperature is 15C. If the temperature were -25C, what would the volume of the balloon be.
What is the volume in mL of 0.762 M HCl(aq) needed to reach halfway to the equivalence (stoichiometric) point in the titration of 41.9 mL of 0.457 M N2H4(aq) (Kb = 1.7 x 10-6).
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