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Question - n-propyl acetate (bp 102 C) evaporates rapidly when exposed to air, but water (bp 100C) does not. Explain why.
when an ionic compound such as sodium chloride nacl is placed in water the component atoms of the nacl crystal
The freezing point of pure benzene is 5.5 Celsius and its freezing point constant is 5.12 C/m. Calculate the molecular weight of the unknown.
Draw the product that is formed when 1-pentyne is treated with an excess of hydrogen gas and a nickel catalyst.
Calculate the number of moles of bromine present in 14.5 mL of Br2(l), whose density is 3.12 g/mL.
what is the molarity of a solution that contains 36.0g of vitamin B1 hydrochloride (molar mass = 337g/mol) in 190mL of solution?
Find the name of hazardous chemicals and write formula and how will handle these hazardeous chemical in the lab from below ammonia, bleach, dish detergent, hand sanitizer, hand soap, lemon juice, shampoo, codium bicarbonate, vinegar, sodium hydrox..
Arrange the following isoelectronic series in order of decreasing radius, from largest to smallest Cl- p^3- Ca^2+ K+ S^2-
what mass of magnesium sulfate is dissolved in 400.ml of a 0.800 m solution of magnesium sulfate
A solution is prepared by mixing 75.0 mL of 5.00 M HCl and 40.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
Give the products (if any) expected from the treatment of cyclooctene with ozone followed by aqueous hydrogen peroxide. Do not draw any byproducts.
An aerosol can has an internal pressure of 3.85atm at 25 degrees celsius. What temperature is required to raise the pressure to 18.0atm
Genetically Modified foods (GMO = Genetically Modified Organism) have been getting allot of attention in the press.
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