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State the balanced net equation for the reaction that takes place when 0.1 M solutions of cadmium (II) nitrate and ammonium carbonate are mixed.
The labeling of acetone with 18O is catalyzed by both acid and base. Show Mechanisms for both reactions.
What is the molarity of that forms when 20.0 of zinc completely reacts with according to the following reaction? Assume a final volume of 285 .
Then 40.0 mL of this solution were titrated with 0.060 M HClO4. Calculate the pH at the first equivalence point.
water is pumped into a storage tank from a well delivering 15.0 gallons of water in 34.0 seconds through a pipe of 1.00
If iron(III) oxide has a crystal structure that is face-centered cubic in iron ions, how many oxide ions are in one unit cell of iron(III) oxide.
calcium in powdered milk is determined by ashing a 1.4983-g sample and then titrating thecalcium with edta solution
at an altitude of 19350 feet atop mount kilimanjaro in kenya the boiling point of water is 81 degrees celsius.
Write the isotope needed, by identifying A, Z, and X, to balance the following nuclear fission reaction: 235/92 U+1/0 n--->140/56 Ba+A/Zx+31/0 n
Explain what would be the value for a phosphorus standard if it contained 0.035% KH2PO4 as well as if 0.2mL of the standard was used. Report in mmol/L
Based on the first and fourth sketches(Part C figure) , what is the density of the block? First sketch shows mass of the block = 50g. Second sketch shows block completely immersed in water(at 20 degree Celsius), mass of block now = 5.6g and densit..
Don't worry about the concentrations of reagents or the colors resulting precipitates (if any). You don't have to precipitate all ions, just separate them
If the final temperature of the combined water is 39.0 degrees C and the heat capacity of the calorimeter is 26.3 J/C, calculate the mass of the water origninally in the calorimeter. Enter your answer in scientific notation.
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