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Suppose you have a fixed container containing 2.48 moles of gas. If the container volume is 30.0 L, and the pressure is 2.05 atm, what is the temperature (°C)? (R= 0.0821 L · atm / mol · K)
codeine c18h21no3 a commonly prescribed painkiller is a weak base.nbspnbspa saturated aqueous solution contains 1.00
A given mass of radium is over a million times more radioactive than the same mass of uranium
The compound AB is in equilibrium with A+ as well as B- in a specific solvent at a given temperature. If the equilibrium constant as a value of 10 and [A+] is doubled in a solution of AB, what would happen to the values of each of the following
A 2.32 L balloon contains helium at 1.00 atm and 25°C. How many grams of helium are contained in the balloon.
a gas mixture contains helium and oxygen at respective partial pressures of 255 torr and 0.450 atm. what is the total
Calculate the concentrations of species in solution and the pH when 0.1 moles of FeSO4 are placed in 1 L H2O at T=25 deg C. Consider hydrolysis and assume ideal solution. The pK of FeSO4 is 10^-2.65.
Question- A sample of rainwater is observed to have a pH of 7.4. If only atmospheric CO2 at 380 ppm and limestone dust are present in the atmosphere to alter the pH from a neutral value, and if each raindrop has a volume of 0.02 cm^3, what mass of..
10 grams of potassium chlorate (KClO3) is heated and decomposed, what mass of oxygen gas will be formed?
A 50.0-mL sample of 0.50 M HCl is titrated with 0.50 M NaOH. What is the pH of the solution after 28.0 mL of NaOH have been added to the acid?
Disregarding any other losses and treating the animal as a closed system, what was the change in internal energy of the animal?
You are testing some novel fuel mixtures for potential use in automobiles. Your testing apparatus is a 2.54-cm inner diameter cylinder fitted with a piston, designed to mimic a cylinder found in a car engine.
The aromatic region 7-8 ppm of the proton NMR spectrum of compounds with Para disubstituted benzene rings such as phenacetin is often referred to as an AB pattern. This pattern has two doublet signals coupled to each other. Explain the origin of t..
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