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A solution is made by dissolving 25.5 grams of glucose (C6H12O6) in .325 kilograms of water. If the molal freezing point constant for water (Kf) is -1.86 °C/m, what is the resulting Δtf of the solution
Define a container holds 355mL of a mixture of nitrogen and carbon dioxide gases. Compute the partial pressures of each gas if the container is at 27.3oC
Calculate: a.the rate constant b.the half-life at 500 C c.how long will it take to decompose 65% of the drug?
A number of reaction mixtures did not become colorless within five minutes after the addition of bromine in acetic acid. Those solutions were put in a dark place and examined after one hour
When an aqueous solution that is 1M each in HCl, ZnCl2, and CoBr2 is electrolyzed, the elemental products formed initially at the cathode and anode are, respectively
Metal ions can also be placed in a spectrochemical series. In this case, larger effective nuclear charges generally lead to larger values for Delta cm^-1. Based on this principle, predict a spectrochemical series for the following ions
a sample of a solid of 29.19 grams is placed in a flask. toluene is added to the flask toluene in which the solid is
Explain how much heat is evolved when 50.0mL of CS2 (d=1.263 g/mL) react with 5.00 L of chlorine gas at 2.78atm and 27 degrees Celsius
the earth undergoes over a specified period of time the amount of work required to build a house the heat generated by a chemical reaction carried out at constant temperature and pressure the enthalpy released by the combustion of a gallon of gaso..
Explain why some types of acidosis can be treated with intravenous bicarbonate ions.
Asteroids are mainly composed of metals like iron and nonmetals like carbon. Briefly explain the differences between metals and nonmetals based on your knowledge of the periodic table.
consider the following reaction i2g cl2g 2iclga reaction mixture 25ordmc initially contains pi20.150atm and
The maximum of the solar emission spectrum is at a wavelength of about 503.0 nm. What is the surface temperature of the sun
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