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What are the possible values of the magnetic quantum number ? A.) all the positive integers: 1,2,3, etc. B.) represented by the formula: m = 2k + 1, where k is a positive integer C.) all the integer: -3,-2,-1,0,1,2,3, etc. D.) represented by the formula: m = 2l + 1, where l is an angular momentum quantum number E.) all the non-negative integers: 0,1,2,3, etc. F.) all the integers in range from -l to +l, where l is an angular momentum quantum number
The equilibrium constant at 427°C for the reaction N2(g) + 3H2(g) 2NH3(g) is Kp = 9.4 × 10-5. Calculate the value of ΔG° for the reaction under these conditions.
When 0.154g of sulfur is finely ground and melted with 4.38g of camphor, the freezing point of the camphor is lowered by 5.47 degrees Celsius. What is the molecular weight of sulfur and What is its molecular formula
Choose the answer which presents the chemical formulas for two substances in order of decreasing melting point (highest melting point first) and gives a valid reason for this order.
A solution of sodium hydroxide is prepared by mixing 2.00g of NaOH with 10.0g of water. The percent, by mass of NaOH is what?
When comparing the successive ionization energies of an element, an unusually big increase in ionization energy is seen when
If the solubility of phthalic acid in nearly boiling water is 180 g/L, how much water is required to recrystallize 2.0 g of phthalic acid?
A 1.40 mL sample containing chromium-51 as a tracer was injected into a patient. Z After several hours a 5.50 mL of blood was drawn and its ctivity compared to the injected tracer sample.
The heat of vaporization of water is 2.26 kJ/g. What is q for the vaporization of 1.00 g of liquid water at 1.00 atm and 100C, to the formation of 1.00 g of steam at 1.00 atm and 100C
portion of the stock solution and dilute it to a total volume of 0.550L what will be the concentration of the final solution?
Determine the enthalpy change for the following reaction below using (a) standard enthalpies of formation, and (b) average bond energies. Explain why the two values might be different.
To what volume must 518 mL of 13 M Ca(OH)2 solution be diluted to make a 3 M Ca(OH)2 solution?
a saturated solution of bariumchloride at 30C contains 150g water. how much additional barium chloride can be dissolved by heating
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