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A 20.0 gram aluminum ball (specific heat 0.90 J g-1 °C-1) at 80 °C was placed in 50 grams of water initially at 22.9 °C. What is the final temperature of the water and aluminum assuming no heat was lost during the energy exchange.
what pressure would it exert? (b) What pressure would it exert if it behaved as a van der Waals gas?
the following is a list of drugs. for this assignment use any resources available to you to find the structures of
What type of intermediate is formed upon treatment of 1-chloro-2,4-dinitrobenzene with sodium hydroxide at room temperature to give 2,4-dinitrophenol
A mixture of 1.374 g of H2 and 70.31 g of Br2 is heated in a 2.00-L flask at 700 K. The following equilibrium is established: H2(g) + Br2(g) ? 2HBr(g) At equilibrium the vessel is found to contain 0.566 g of H2.What is Kp for this reaction?
what is the boiling point at 1.000 atm pressure of a solution of 1.50 mol of nacl dissolved in 1.00 kg of water
Draw 2 resonance structures for the anion -CH2CHO formed from ethanol. Show all valence electrons as bonds or lone pairs and indicate any formal charges.
Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt. Pt|VOSO4 (0.0184 M), V2(SO4)3 (0.212 M), HClO4 (0.0100 M) || SCE Calculate the cell potential.
Why do flares contain magnesium powder rather than a solid piece of magnesium? -Smaller particles have a lower energy of activation than larger particles.
What are the probable classes of hydrocarbon or hydrocarbon derivative (i.e.: alkane, alkene. ketone. ester. organic halide, etc...) in each of the following
A 2.0 L tank at 298 K contains oxygen gas with a partial pressure of 3.8 atm and helium gas with a partial pressure of 5.2 atm.
In this exercise it was also assumed that the calorimeter was a perfect insulator and that no heat was lost to the surroundings.
1. a quantity of 0.20 mol of carbon dioxide was heated to a certain temperature with an excess of graphite in a closed
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