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A gas has an initial volume of 2.75 L at temperature of 285 K. If the temperature changes to 380 K, what is the new volume of the gas if the pressure is unchanged?
An unknown compound X, is thought to have a carboxyl group with a pka of 2.0 and another ionizable group with a pka between 5 and 8. When 75 ml of 0.1 M NaOH was added to 100 ml of a 0.1 m solution of X at pH 2.0, the pH increased to 6.72.
How many milliliters of a stock solution of 10.0 M HNO_3 would you have to use to prepare 0.320 L of 0.550 M HNO_3?
A compound made up of only phosphorus and chlorine contains 77.45% chlorine by weight. What is the electron domain geometry of the central atom of this substance?
given the balanced equation representing a reacction: 2C2H6+7O2=4CO2+6H2O determine the total number of moles of oxygen that react completely with 8.0 moles of C2H6
Calculate the amount of heat liberated (in kJ) from 383 g of mercury when it cools from 61.0°C to 11.0°C.
An experiment requires 42.0 g of ethylene glycol, a liquid whose density is 1.114 g/mL. Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder.
If an automobile is able to travel 247 mi on 10.8 gal of gasoline, what is the gas mileage in km/L.
Draw the bondline structures of the isomers of this compound in the manner requested: Its diastereomer C, its optically active isomer D.
Compute the volume of the tank if this tank has 115 moles of neon gas and has a pressure of 57 atm at a temperature of 45 0C.
Enzymes in the human liver catalyze a large number of reactions that degrade ingested toxic chemicals. By what factor is the rate of a detoxification reaction changed
A 1.20 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the normality. Citric acid has three acidic protons.
Application of ideal gas law - How high can you raise the temperature of the gas without bursting the vessel?
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