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Does dissolved solids such as sugar and salt modify/change the boiling point of water; do mixtures have the same boiling point as pure substances?
How many minutes will it take to plate out 16.22 gram of Al^3+ using a current of 12.9 amps in an electrolyic cell. What current is required to deposit aluminum at a rate of 1.25g/min
Concentrated sulfuric acid is roughly an 18 molar solution. To prepare 500 mLs of a 3 M solution, mLs of sulfuric acid should be.
Question- Calculate the mass of a bronze cylinder of radius 9.65cm and length 45.80cm. The composition of the bronze is 79.42% Cu and 20.58% Sn and the densities of Cu and Sn are 8.94g/cm3 and 7.31g/cm3. What assumption should you make in this cal..
smaller dipole moment than formaldehyde, H2C=O, even though it contains electronegative chorine atoms in place of hydrogen. Explain
At a certain temperature, K = 9.1 10-4 for the following reaction. FeSCN2+(aq) Fe3+(aq) + SCN -(aq)
A person inhales air richer in O2 and exhales air richer in CO2 and water vapor. During each hour of sleep, a person exhales a total of 300. L of this CO2-enriched and H2O-enriched air. (a) If the partial pressures of CO2 and H2O in exhaled air ar..
Why would climate change relate to this or better said how would increased levels of carbon dioxide in the air affect these underwater organisms? Draw a set of equilibrium equations
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid, 0.5 L of 1.0 M sodium acetate and then adding 8 g of solid NaOH (MW = 40.0 g/mol)
What would the pressure of the gas in the flask. For an open-tube manometer if the level of the mercury that is open to the atmosphere
a sample natural gas at stp is 78 ch4 and 22 c2h6 by volume. how many moles of each gas are present in 1.20l of the
Problem- Consider why it takes so much more heat energy to go from liquid to gas than to go from solid to liquid.
if a piece of aluminum with mass 3.90 g and a temperature of 99.3 degrees celcius is dropped into 10.0 cm cubed of
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