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What is the limiting reactant and how much ammonia is formed when 5.65 g of nitrogen reacts with 1.15 g of hydrogen?
Calculate ?H° for each of the following reactions using the data in Appendix 4: 4Na(s)+O2(g) ? 2Na2O(s) 2Na(s)+H20(l) ? 2NaOH(aq)+H2(g) 2Na(s)+CO2(g) ? Na2O(s)+CO(g) Explain why a water or carbon dioxide fire extinguisher may not be effective inpu..
The enthalpy of neutralization for the reaction of a strong acid with a strong base is -56 kJ/mol of water produced. How much energy will be released when 155.0 mL of 0.400 M HCl is mixed with 157.0 mL of 0.500 M NaOH
Light of wavelength 5.40x10^-7m passes from air to water at an angle of incedence of 23 degrees.
A sample of chlorine has two naturally occuring isotopes, the isotope Cl-35 makes up 75.8% of the sample, and the isotope cl-37 makes up 24.3 of the sample. Which of the following statements is true
From these data, and assuming that air obeys Charles's law, determine a value for the absolute zero of temperature in degrees Celsius.
Depict both possible chair conformations of trans-1-boromo-4-methylcyclohexane and circle the one that is the most stable.
How would you distinguish experimentally between an amphourous, a crystalline and a crosslinked polymer
Calculate the activity and the rational activity coefficient of the water in a solution consisting of 122 g of a non-volatile solute
What quantity of useful work can be obtained when Mg is added directly to the beaker of HCl. How can you harness this reaction to do useful work
Water autoionizes to produce hydronium ion and hydroxide ion. The product of the concentrations of these ions equals the water autoionization constant, Kw.
Determine which monomer will have the higher degree of polymerization (DP) and by how much?
the 200mm test tube also contained some water which was subsequently added to the calorimeter. considering a higher
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