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The following reaction takes place when some drain cleaners are added to water. What mass of hydrogen gas will be produce from 4.76 g of aluminum and 3.23 g of NaOH? 2Al(s) + 2NaOH(s) + 6H2O(l) -> 2NaAl(OH)(aq) + 3H2(g)
The following pairs of soluble solutions can be mixed. In some cases, this leads to the formation of an insoluble precipitate. Decide, in each case, whether or not an insoluble precipitate is formed.
pcl5g reverse reaction arrow pcl3g cl2gsuppose that 3.314 g of pcl5 is placed in an evacuated 460. ml bulb which is
The resulting mixture exerts a pressure of 745 mm Hg at 95 C. What was the mass of the original sample?
What is the first step in an aldol condensation reaction. A. Elimination of hydroxide. B. Bromination of carbonyl compound. C. Addition into the carbonyl. D. Formation of the enolate. E. Protonation of the carbonyl compound.
Calculate the mass of oxygen per gram of sulfur for sulfur dioxide. B) Calculate the mass of oxygen per gram of sulfur for sulfur trioxide.
After he cleaned up the mess, he looked around the baby's changing table for remedies for this horrible rash, but he could not find anything. As he was about to panic, he remembered some useful acid-base chemistry from a class years ago. He opened..
The equivalence point of the titration occurs at 23.74mL . Determine the molar mass of the unknown acid.
Determine how much concentrated solution can you take to form 1.15 Litres of 0.105M Nitric acid by mixing with H 2 O?
Potassium iodide is added to common table salt, sodium chloride, to help prevent the enlargement of the thyroid gland, a condition known as goiter.
0.5865 g sample of lactic acid (HC3H5O3) is burned in a calorimeter whose heat capacity is 4.812 kJ/ oC. The temperature increases from 23.10oC to 24.95oC.Calculate the heat of combustion of lactic acid a. per gram b. per mole.
Predict whether the following reactions will occur or not. For those that do occur complete and balance the equation. Write No Reaction for those that do not occur include all subscripts
Redox equation is completed and balanced for the reaction in acid solution, what is the proper coefficient for H+ ? Zn + Cr2O7 2- ----> Zn+ + Cr2+
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