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Freon in air conditioning unit has a volume of 0.30L. It is allowed to function in a room, where the pressure is about 628 mm of Hg, assuming that the temperature is in a constant state. Find the final pressure of Freon when its volume is increased to 0.95L.
What will happen to a spray can of paint containing only the propellant at a pressure of 750torr at 30°C if it is thrown into a heap of garbage burning at 165°C?
A 132mL of gas is measured at 38°C. If the pressure remains constant, what will be the volume of the gas at 10°C?
a) How does the rate of the reaction change as you go along the series HF – HCl
– HBr – HI?
b) Briefly explain the trend you have given in part (a).
c) How does the rate of reaction change as you go from ethene to propene to 2-
methylbut-2-ene?
1. Show the structural formulae for the main product of each of the following
addition reactions between various alkenes and a hydrogen halide.
a) Ethene and hydrogen bromide
b) But-2-ene and hydrogen chloride
c) But-1-ene and hydrogen chloride
d) Propene and hydrogen iodide
e) 2-Methylbut-2-ene and hydrogen iodide
f) But-1-ene and hydrogen bromide where everything is pure
g) but-1-ene and hydrogen bromide in the presence of oxygen or
organic peroxides
1. Show the structural formulae for the main product of each of the following
addition reactions between various alkenes and a hydrogen halide.
a) Ethene and hydrogen bromide
What is the molality of a solution of 2.50g H3PO4 dissolved in 240g water? Show complete solution.
Calculate the Molarity of each of the following solutions:
a. 185 g of sucrose, C12H22011 in 1.00 L of solution
b. 6.30 g of HNO3 dissolved in 255 ml of solution.
A saline solution is prepared by dissolving 5.04 g of NaCl in 95.0 g of water. Calculate the following:
a. Mole fraction of the solute and the solvent b. % mass of the solute
c. Concentration of solution in ppm
Show complete solution.
$$\ce{2C_4H_{10}(g) +13O_2(g) -> 8 CO_2(g) + 10H_2O(l)}$$
$65cm^3$ of butane is burnt in $65cm^3$ of oxygen. Find the volume of carbon dioxide produced.\
I would like someone to explain this to me.
