Calculate the number of moles of gas in the sample
A sample of nitrogen in a 4.5L container at a temperature of 27 degrees C exerts a pressure of 4.1 atm. Calculate the number of moles of gas in the sample.
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Calculate the standard emf at 25°C of the propane fuel cell given that delta G° formation for propane = -23.5 kJ/mol. The overall reaction for the fuel cell is:
A reverse osmosis unit is used to obtain drinkable water from a source that contains 0.870 g NaCl per liter. What is the minimum pressure (in torr) that must be applied across the semipermeable membrane to obtain water? Assume room temperature or
Molecular chlorine and molecular fluorine combine to form a gaseous product.Under the same conditions of temperature and pressure it is found that one volume of Cl2 reacts with three volumes of F2 to yield two volumes of the product. What is the fo
Sodium bicarbonate is reacted with concentrated hydrochloric acid at 37.0°C and 1.00 atm. The reaction of 6.00 kg of bicarbonate with excess hydrochloric acid under these conditions will produce __________ L of CO2.
A gas filed ballon having a volume of 2.50L at 1.2 ATM and 20 degrees celcius is allowed to rise to the stratosphere where the temperature and pressure are -23 degrees celcius and 3.00 x 10^-3 atm respectively. Calculate the final volume of the bal
Which of the binary compounds formed by the following pairs of elements contain polar covalent bonds?
Carbon dioxide is dissolved in an aqueous solution at 303 K at a concentration of 0.90 x 10-4 kg/kg. Henry's Law constant at these conditions is 0.186 x 104 atm. What is the partial pressure of CO2 in equilibrium with the solution in order to arrive
The average distance between Mars and Earth is about 1.3 x 10^8 miles. How long would it take TV pictures transmitted fromt he Viking space vehicle on Mars' surface to reach Earth? ( 1 mile = 1.61 km)
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