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Have you observed that when you spill water over your skin on a hot day it will cool you down but if you spill vegetable oil in place of water it will not cool you down give explanation for this difference? Find out the reason behind this fact?
Question : Explain and show how you would sythesise the following compounds, starting with benzene or toluene and any necessary acyclic reagents. Assume para is the major product.
Find the volume of oxygen gas required to react completely with iron and Calculate the volume of oxygen gas at STP that is required to completely react with 61.0 g of iron.
The density of mercury is 13.595 g cm -3 . What will be this value in SI units? Give the SI units and their symbols for the following physical quantities:
Determine what is element Y if you have a compound consists of element "Y" and H, only and know that it is 79.89% element Y by mass. Each molecule has 3.00 times as many H atoms as Y atoms?
Find out the exact significant figures for each of the values - Indicate the number of significant figures
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
What is the pH of the solution when 50 grams of Ca(OH)2 was added to 1 liter of water? Ksp of Ca(OH)2 = 6.5 x 10^-6
Determine the numbers of moles of S8 that are required to make 0.600 moles of SF4.
Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.
3H2 (g) + N2 (g) 2NH3(g), Kc = 6.0 × 10-2 at 500°C for this nitrogen fixation reaction. What is the equilibrium concentration of N2 If 0.250 M H2 and 0.050 M NH3 are present at equilibrium?
What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?
Gas stoichiometry and Percentage of calcium carbonate in the sample
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