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Suppose that 25g of each of the following substances is initially at 27.0 degrees C. What is the final temperature of each substance upon absorbing 2.30kJ of heat?
1.Gold2.Silver3.aluminum4.water
A dark glass bottle of chemicals is found in cleaning out an old basement. Part of the label has been eaten away with age. Only the last part of the label is readable
Ammonia reacts with nitrogen monoxide to produce nitrogen gas and water vapor. If .240 moles of ammonia react, how many moles of nitrogen monoxide will be consumed?
What is the molarity of aqueous silver nitrate if 50.00 mL of AgNO3 reacts with 25.0 mL of 0.100
Which of the following is the strongest oxidizing agent and which one is the weakest in acidic solution: Br2, H2O2, Zn, Cr2O7^2-
Describe the chemistry involved in the current indstrial preparation of adipic acid, specifically listing the major by-product
If 37.3 g of CO2 is produced in the reaction of C2H2 with O2 to form CO2 and H2O, how many grams of H2O are produced in this reaction.
In the electron transport chain, electrons from FADH2 are eventually used to reduce O2 into H2O. Experimentally, the proton motive force created by this process will generate 2 ATP molecules from ADP and Pi, using ATP synthase.
If the partial pressures of N2, O2 and NO at equilibrium are 1.5 atm, 2.5 atm and 0.75 atm respectively, what is the equilbrium constants
a positive ion ESI mass spectrum of a protein showed a peak at m/z = 1001 resulting from the adition of 10 protons. what is the actual mass of the uncharged protein?
Draw three stable, acyclic isomers of C3H6O. Using wet chemistry, show how you can distinguish between these three compounds.
How much potassium nitrate has to dissolve in water to absorb 110 of heat?
A gas mixture contains 1.30g N2 and 0.95g O2 in a 1.57-L container at 22 degrees Celsius. Calculate the mole fraction of N2.
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