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Suppose that you have 29.8 g of silver. Also, assume that this sample of silver is initially at 18 ocsilvero C. What is the final temperature of this sample of silver after it absorbs 1.9 kJ of heat?
= 0.235 J/gC
Enter your answer numerically, in terms of oC.
It is filled with helium at 23 oC and 0.991 atm and placed in an oil bath. To what temperature (oC) will the oil bath need to be heated to first open the safety valve?
What amount of energy is required to completely ionize 6.2 grams of carbon atoms in the gas phase (C(g)) if the ionization energy of C(g) is 1086 kJ/mole?
One of Yuchong's childhood dreams is to travel to the Andromeda Galaxy. While abducted by the aliens, Yuchong asked the captain to take him to the Andromeda.
A certain first-order reaction () has a rate constant of 6.90×10-3 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
a 0.17 mole sample of a gas is put into a balloon when the temperature is 26 degrees celsius and the pressure is 757
Preparing solutions for biochemical experiments, In preparation for a protein purification experiment, you have been asked to prepare 100 mL of an aqueous solution of Tween20
How much calcium bicarbonate (kg/day) will need to be added per day in water with alkalinity of 30 mg/L CaCO3 to prevent rapid pH decrease (assume for simplicity inly bicarbonate alkalinity is present) if 794 kg of Al2(SO4)3 x 18H2O is added per..
a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams
Calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 21.0 degrees C to 75.0 degrees C. Given, the specific heat of copper is 0.382 cal/g x degrees C.
What is one example of an organic ingredient in three different household products?
a) A solution of 1-iodohexane b) A solution of (S)-2-iodohexane c) A solution of 40% (S)-3-chlorohexane and 60% (R)-3-chlorohexane d) A solution of equal quantities of R and S 3-chlorohexane
If the radius of a nickel atom is 0.125nm, what is the atomic radius of a nickel atom in picometers(pm)?
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