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Compute the number of moles of oxygen gas that is produced from the complete decomposition of 30g of H202
chromium metal can be produced from the high temperature reaction of cr2o3 with silicon by the following reactioncr2o3s
A solution is made up by dissolving 73 g of glucose in 966 g of water. Calculate the activity coefficient of glucose in this solution if the solution freezes at -.66 degrees C.
question a hot air balloon has a volume of 4.00 x 105 l at 30 deg. c and pressure of 748 mmhg. if the avg molar mass of
What is the purpose of washing the alkyl halide with aqueous sodium bicarbonate (NaHCO3)? Write the reactions that are expected to occur when the sodium bicarbonate is added to the test tube. Why is it important to add the sodium bicarbonate slowl..
Find the absolute uncertainty of the following calculation and round the answer to the proper number of significant figures: 3.78(±0.04) x 6.23(±0.03) x 1023 = 2.3549 x 1024.
If you wished to prepare t-butyl propyl ether by a Williamson Synthesis, there are two possible combinations of materials you could choose as alternatives.
A SEM can be used to map the elemental composition of the material in the sample. How is this possible
Antimony pentafluoride (SbF5) is a member of a class of molecules called super acids. What is the predicted structure of the molecule
how far away from equilibrium is the concentration of ADP and ATP in the cell? Answer A. equal B. slightly different C. greater than two orders of magnitude different D. greater than 6 orders of magnitude different E. greater than 12 orders of mag..
A sample conaining both HCl and HNO3 had a density of 1.083g/ml. A 30.00 ml amount of this sample required 25.78 ml of 0.3248 M NaOH for titration. Another 30.00 ml amount of this sample required 24.47 ml of 0.1327 M AgNO3 for titration
Calculate the amount of solution (g or mL) that contains each of the following amounts of solute. Express the answer to two sig fiugres and include the appropriate units.
If the final temperature of the combined water is 40.4 degrees Celsius and the heat capacity of the calorimeter is 26.3 joules per degree Celsius what is the mass of the water originally in the calorimeter
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