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Q. Determine what is the mass of gasoline in tank of your cars if it is filled to its capacity of 15.0 gallons given that Gasoline has a density =0.67 g/mL at 20 0C temperature.
Q. Explain the three main types of intermolecular forces including dispersion forces, intermolecular forces, dipole-dipole force explain what they are also provide an example of each intermolecular force where it occurs.
If 1.28 g of NaOCl is required for an experiment, but only NaOCl*5H2O is available in the lab, how many grams of the hydrate should be used?
water boils at 373 k.the molar enthalpy of vaporation for water is 407 kjmo1.if one mole of water is at 373 k when it
What steps would you take to separate the following four organic compounds using an acid/base solvent extraction? Compounds: m-anisic acid, p-toluidine, thymol, indane
Which of the following statements are true regarding the liquid-liquid extraction performed in the synthesis of phenacetin. Note that there may be more than one correct answer. Dichloromethane is the bottom layer because it is more dense than water..
For the Reaction CO(g) + Cl2(g) -> COCl2(g), the rate constant increases 1500 times when the temperature rises from 150C to 250C. Calculate the activation energy, in kJ/mol, for this reaction. Assume frequency factor is constant for both temperatu..
how many ml of concentration sulfuric acid, 94%(g/100g solution), density 1.831 g/cm3 are required to prepare 1L of 0.100 M solution.
for each formula unit of sodium decahydrate: Na2SO4 * 10H2O, a) how many atoms of each kind are present? B) how many water molecules would be liberated for every molecule of the hydrate that is decomposed by heating?
The activation energy for the reaction NO 2 (g)+CO 2 (g)?NO(g)+CO(g) is E a = 100kJ/mol and the change in enthalpy for the reaction is ΔH = -200kJ/mol. What is the activation energy for the reverse reaction?
Given stock solutions of glucose (1M), aparagine (100 mM) and NaH2PO4 (50 mM), how much of each solution do you need to prepare 500 mL of a reagent that contains 0.05 M glucose
Confirm whether an acid base reaction occurred stoichiometrically. The concentration of concentrated nitric acid is 15.8 M. For full credit show all calculations
There are 86,472 houses in the county and the county occupies a space totaling 475 square miles. How many square miles of housing are present in Chem county?
Write the net ionic equation for the reaction that occurs when an aqueous solution of hydrochloric acid reacts with an aqueous solution of ammonia.and find delta H
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