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A sealed vessel contains air at STP. It is heated to bring the air to a temperature of 80 °C. What will be the ratio of the mean free path of the air molecules at 80 °C to their mean free path at STP?
i need help with doing this assignment......... how can you help? anyone?
What is the change in internal energy (in J) of a system that absorbs 0.330 kJ of heat from its surrounding and has 0.586 kcal of work done on it in scientific notation.
In the balanced redox reaction: 2C2H6(g) + 7O2(g) > 4CO2(g) + 6H2O(g), which species is oxidized
Liquid helium at 4.2 K has a density of 0.147 g/mL. Suppose that a 1.00-L metal bottle that contains air at 98K and 2.0 atm pressure is sealed off. If we inject 60.0 mL of liquid helium and allow the entire system to warm to room temperature
How many resonance structures does HSO4- have. The way I've been doing it would make it 12 but that seems like it'd be too many.
An underground reservoir contains natural gas at a pressure of 425 kPa and a temperature of 15 °C. If the volume of the reservoir is 1.3 x 104 kL
calculate the equilibrium constant from an absorbance value but my professor never told us how to calculate this.
At a certain temperature, the Kp for the decompositon of H2S is 0.800. H2S(g0 H2(g)+S(g) Initally, only H2S is present at a pressure of 0.239 atm in a closed container. What is the total pressure in the container at equilibrium
Calculate the mass of sodium acetate that must be added to 500.0 mL of 0.200 M acetic acid to form a pH = 5.00 buffer solution.
High-purity benzoic acid (C6H5COOH; ?Hcomb = -3227 kJ/mol) is a combustion standard for calibrating bomb calorimeters. A 1.169 g sample burns in a calorimeter (heat capacity of calorimeter alone = 1365 J/°C) that contains exactly 1.200 kg of water..
A similar question was asked before, but the formatting of the answer made it unreadable. So, I am asking it again. I have a thermodynamic system with three states in the canonical ensemble
What is the [H3O+] of a solution measured to be 0.2 M in sodium acetate and 0.4 M in acetic acid. Ka = 1.8 x 10^-5
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