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A tank contains helium gas at 576 mmHg, nitrogen gas at 1.57 atm, and neon at 730 torr. What is the total pressure in atm?
For the gas phase decomposition of C2H5Cl, a graph of ln t versus 1 / T produced a straight line with a slope of 2.98 × 104 K. What is the activation energy for this reaction
Organic Chemistry Lab: Reduction and Spectroscopy, 1. Sketch the NMR spectrum you would expect to observe for the following compounds:
What do these results tell us about the difference in molecular mass between the aroma molecules and the colour molecules? In the lab there were both an 80C and a 100C distillate
What is the complementary sequence to the DNA strand 5' CGATGAGCC 3'? Enter the sequence in the 3' to 5' direction.
A student obtained the following data from this experiment. Calculate the molar mass of this unkown liquid.
The strength of an acid and therefore the stability of its conjugate base increases with decreasing pKa. Utilize free energy to quantify how much more stable chloroacetate is than acetate at 298 K.
Why does LiBr have a stronger lattice energy then LiF Why does NaCl have a higher lattice energy then Mg3N2. ( I thought it would LiF because smaller ion and Mg3N2 because greater charge)
Explain the Delta H for this reaction is 54.8 kJ. Explain how much energy would be absorbed if 27.1 g of NH_4Cl reacts
Why is water not assigned a global warming potential (GWP). The lifetime of atmospheric water is too short for its GWP to be determined.
Given non pourous material A having a density of 2.35 and non pourous material B having a density of 2.41 what is the theoretical density of material A+B when there is 75 weight % of material A and 25 weight % of material B when combined
if 50L of Argon and Helium are mixed at STP then What is the ratio of molecules of Argon to molecules of Helium in the gaseous mixture?
Using the Henderson-Hasselbalch equation, calculate the pH of an ammonia buffer when the NH3:NH4+ ratio is 0.4 moles:0.6 moles. (pK = 9.75). Please explain and will rate lifesaver.
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