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(a) What sign for ?S do you expect when the volume of 0.200 mol of an ideal gas at 27 °C is increased isothermally from an initial volume of 10.0 L?
(b) If the final volume is 18.5 L, calculate the entropy change for the process.
(c) Do you need to specify the temperature to calculate the entropy change? Explain.
a mixture of gases collected over water at 14 degrees celcius has a total pressure of 0.981 atm and occupies 55 ml. how
how many calories are used to heat a 50g sample of water from 8.1 degrees celius to 27.4 degrees celcius?
A 0.4243-g sample of CaCO 3 is dissolved in 12 M HCl and the resulting solution is diluted to 250.0 mL in a volumetric flask. How many moles of CaCO 3 are used (formula mass = 1 00.1 )
One mole of an ideal monoatomic gas initially at 300 K is expanded from an initial pressure of 10 atm to a final pressure of 1 atm. The molar heat capacity for constant volume for the gas is 32VCR=. Calculate dU, dH, q, w, and the final temperatur..
assuming that the zinc either reacted with cuso4aq to produce copper or with h2so4aq to produce hydrogren gas h2g
in the procedure for brominating e-stilbene that involves in situ generation of bromine what is the solid that appears
A Solution is made by dissolving 8.5 grams of NaOH in 2.3 L of water. What is the molarity of the solution?
How do I find the formal charge of the bromine atom in BrO3^- Please show work and maybe an easier way to solve this, I am really struggling
Calculate the temperature change in the water upon complete melting of the ice. Hint: Determine how much heat is absorbed by the melting ice and then use q =mC Delta T to calculate the temperature change of the 304 g of water.
175 L of liquid nitrogen (density .808 g/ml) vaporizes into gaseous nitrogen (density 1.15g/L) in a room of size 10m x 10m x 2.5m. What maximum fraction of the air in the room could be displaced by the gaseous nitrogen
What is the mole ratio of CH3COONa to CH3COOH (Ka= 1.8×10-5 ) would be in a buffer solution at pH 5
Question- Molecular Bromine can add to a conjugated diene giving a dibromo compound with both the 1,2- addition regiochemistry and the 1,4- addition regiochemistry. Draw both products.
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