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A certain medal hydroxide M(OH)2, contains 32.8% oxygen by mass . What is the identity of the metal M?
What individual atoms or functional groups could you add to the carbons to make the molecule hydrophobic?
A solution is made by mixing 49.0 mL of ethanol, C2H6O, and 51.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 degrees celcius
A sample containing 2.20 moles of neon gas has a volume of 8.00 L. Assume that the pressure and the temperature remain constant. What is the new volume of gas in liters when a sample of 70.0 g neon is added to the neon gas already in the container..
Researchers analyzing an unknown hydrocarbon with chemical formula CxHy found that 225 grams of O2(g) were required for complete combustion of 1.0 mol CxHy, to form CO2(g) and H2O(g) only. Unfortunately, a faulty valve between the furnace and abso..
how much energy is required to heat an iron nail with a mass of 7g from 25 degrees celcius until it becomes red hot at
The rate constant for a reaction is 1.6 x 10^-2 s^-1 at 680k and 4.6 x 10^-2 s^-1 at 890 K. What is the activation energy?
An aerosol can has an internal pressure of 3.85atm at 25 degrees celsius. What temperature is required to raise the pressure to 18.0atm
how much will the temperature change when 730 g of each of the following materials absorbs 1240 cal of heat energy?a.
Carbon monoxide detectors sound an alarm when peak levels of carbon monoxide reach 100 parts per million (ppm). This level roughly corresponds to a composition of air that contains 400,000 micrograms per cubic meter of air.
What kind of compound is 2,3-dihydroxypentane? From what precursor do you synthesize the kind of compound that 2,3-dihydroxypentane is?
A crude product weighing 2.0g contains 0.4g of impurities and is therefore 80% pure. The crude product is recrystallized from 100ml of hot water
The eardrum can rupture with as little as 35 kPa of pressure difference across it. What is the depth at which this pressure difference could occur
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