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1. Calculate the root square mean velocity of Cl2 at 25 ºC.
2. An Unknowngas effuses at a rate that is 0.462 times that of nitrogen gas (atthe same temperature). Calculate the molar mass of the unknown gasin g/mol.
3. A gasmixture contains 1.28 g N2 and 0.85 g O2 in a1.55 L container at 18 ºC. Calculate the mole fraction and partial pressure of each gas component in the gas mixture.
4. What is the pressure in a 10.0 L cylinder filled with 0.448 mol of nitrogen gas at a temperature of 42 ºC?
Which class of materials, biological organisms, biological chemicals, or non-biological chemicals react most dramaticallyto the addition of acid or base. How does this relate to their complexity
a sample of argon is at a pressure of 1.24*10^4 kPa of 24 degrees c in a rigid 25-L tank. How many moles of argon does this tank contain?
an equilibrium mixture of h2 i2 and hi at 458 contains 0.108 i2 0.108 h2 and 0.747 hi in a 5.00- vessel what is the
What is the molecular formula of each compound. (Type your answer using the format C6H12O6 for C6H12O6 and use the same order of the elements as in the empirical formulas.
A balloon has a volume of 10,500 liters, and the temperature is 15°C. If the temperature were -25°C, what would the volume of the balloon be?
What is the new boiling point of water if you add 188 grams of magnesium chloride to 1250 g of water.
What are the energies of the lowest five energy levels in a 3 dimensional box where a=b=c and the degeneracy of each level
what mass of each substance will be found in the room? State whatever assumptions were necessary in order to complete this problem.
Iron (III) oxide may be reduced to pure iron either with carbon monoxide or with coke (pure carbon). Suppose that 150kg of ferric oxide are available
determine the mass of lithium hydroxide produced when 0.38 grams of lithium nitride reacts with water according to the following unbalanced chemical equation
At high temperature, cyclopropane is converted to propene, the materialfrom which polypropylene plastics are made. The reactionwas monitored and the data below was collected:
Sugar (C6H12o6) combusts and releases 246.8 kJ what is the complete chemical reaction? What is the enthalpy of the reaction
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