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A process occurs spontaneously and DSsystem < 0. Which statement below must be true?DSsurroundings > 0DSuniverse > 0The pressure is constant.Both (a) and (b) are correct.All of these answers are correct.
If 0.334 g of water was obtained from the equation N*M H2O ?N + M H2O, how many grams of the hydrate were heated
In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is established, it is found that the total pressure is 2.175 atm. Calculate K for the reaction.
The temperature increased by 10.08 oC. Use these data, plus the information given below for CO2 and H2O, to estimate the standard enthalpy of formation, of H, at 25 oC for this compound of H values at 25 oC for CO2(g) and H2O(l) are 394 kJ mol 1 a..
The total volume of both metals is measured by the displacement of water to be 426 and the total mass is 4.40 . What percentage of the spheres are copper?
Vitamin B12, also known as cobalamin, has the molecular formula C63H88N14PO14Co. What mass of CO2 and H20 would be produced during the combustion analysis
Nitrogen reacts with a metal to form a compound in which there are three atoms of the metal for each atom of nitrogen. If 1.486 g of the metal reacts with 1.000 g of nitrogen
A mixture of butene and butane burn in the air to give CO2 and H2O.suppose u burn 2.86g of the mixture and obtain 8.80g of CO2 and 4.14g of H2O.
4. How many grams of NaNO3 would you add to 250g of H2O in order to prepare a solution that is .500 molal in NaNO3?
Would you expect to find more dissolved oxygen in ocean water around the Northern latitudes or in ocean water close to the equator?
Balance the following redox equations. Identify the oxidation half reaction and the reduction half reaction.
How many seconds are required to produce 4.94 mg of chromium metal from an acidic solution of potassium dichromate, using a current of 0.234 A?
If the volume of ocean water (calculated above) contains 3.7 percent sodium chloride ("salt") by mass and the density of the water is 1.41 g/mL.
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