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If you add a solvent called "dioxane" to water, a homogenous mixture forms. Dioxane and water have the same boiling point (100oC). How do you explain that the mixture of the two compounds shows a boiling point that is lower than the one found for either of the pure liquids
A solvent and solution are separated by a semipermeable membrane how does the height of the column of solution change if the concentration of the salt is increased?
There are many types of energy: electrical, kinetic, gravitational potential, chemical, elastic, heat, etc. Choose an object or system in which energy is transformed from one form to another. Describe the energy transformations in this object or s..
Write a structural and a line-angle formula of propene (C3H6). Write the IUPAC name. On the structure, specify a shape of each carbon
What volumes of .200 M HCOOH and 2.00 M NaOH would make 300 mL of a buffer with the pH of one made from 475 mL of .200 M benzoic acid and 25 mL of 2.00 M NaOH?
The simplest formula of the compound is NO2 Which could be the molecular formula of the compound?
Radiation with a 58.4 nm of wavelength interacts with a H 2 (hydrogen atom)and induces the ejection of an electron then determine the kinetic energy of the departing electron express your answer in eV?
Calculate the equilibrium constant (Keq) for the reaction of equimolar amounts of acetophenone and sodium hydroxide to generate the enolate.
If 3.98 g of copper was recovered and you started with 9.10 g of copper (II) chloride, then what is the percent yield of the reaction ?
An auto bumper is coated with a layer of chromium, 0.017 cm thick. The bumper has a surface area of 3.43 x 104 cm2. The density of chromium metal is 7.19 g/cm3. How many atoms of chromium are used in the coating?
What type of orgainc compound is responsible for the fruity flavorings found in many natural substances
Approximate the percent increse in waste size that occurs when a 155lb person gains 40.0 lbs of fat. Assume that the volume of the person can be modeled by a cylinder that is 4.0 feet tall.
170mL of O2 gas is collected over water at 25 degrees C and the total pressure is 742 mm Hg. The vapor pressure of water is 23.8 mm Hg at this temperature. What would the volume of the dry gas be at STP? ( hint Daltons Law and Combination Law are ..
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