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For ideal gases which of the following statements are correct?
i. At constant temperature, the volume of a fixed mass of gas is proportional to the external pressure.
ii. At constant external pressure and temperature, when 1L of N2 reacts with 2L of O2, 2L of NO2 are formed
iii. At a given temperature and external pressure, equal volumes of any ideal gas contain the same number of molecules
iv. At a given temperature, the molecules in any ideal gas have the same average velocity
v. At a given pressure and temperature, the mean-free path of a gas is independent of the volume of the containing vessel a) (ii) and (iii) b) (i), (iii) and (v) c) (ii) and (iii) d) (ii) and (v) e) (ii), (iii) and (v)
A solution of calcium ions contains 5 meq/650. cm3 of calcium ion. How many moles of calcium ion does this solution contain?
a what is the total electron energy for be be and be?hint you may use a symbol rather than numbers to express theenergy
Calculate the fraction of atoms in a sample of argon gas at 391 K that have an energy of 12.7 kJ
If you add 121 g of C2H6O to your gas, how many grams of CO2 and H2O can be produced from the C2H6O
What is the final temperature of a mixture of that 5.00 x 102 mL of hot water at 95.0°C and 475 g of -12.0°C ice cubes? (NOTE that in this process, the ice heats up to its melting point, melts, and then heats to the final temperature of the mixtur..
How much heat is absorbed by a copper penny with mass 3.10 g whose temperature rises from -8.0*C to 37.0*C
Why must we know both in order to explain the physical properties of the molecule. physical properties to be considered are solubility and the points when the molecule changes states
A dancehall contains 173 men and 238 women. A certain "promenade" calls for the formation of groups, with each group consisting of one man with two women. a)How many groups could be formed? b) which sex is in excess? By how much? (show calculation..
The Silver nitrate dissolves in water to form a colorless solution. State the formulas of the species present in solutions
Which of these substances are elements
A hemoglobin molecule can bind up to four oxygen molecul;es.in a certain experiment a 0.085L solution containing 6g of deoxyhemoglobin was reacted with an excess of oxygen in a constant pressure calorimeter of negligible heat capacity
If the concentration of lead iodide [PbI2] in a saturated aqueous solution is 1.5 x 10-3 M, what is the Ksp of PbI2
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