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How many grams of CO2 can be produced by the reaction of 35.5 grams of C2H2 and 45.9 grams of O2? Please help with the balancing the equation and Dimensional Analysis.
What is the magnitude of the electric field amplitude associated with the beam and the corresponding photon density per cm3?
Determine the heats of formation or the steric energies of the exo- and endo-anhydride adducts using a molecular mechanics program.
Calculate the number of moles of solute present in 50.0mg of aqueous solution that is 1.25 molality NaCl.
Which statement best desrcibes the energy change as bonds are formed and broken in this reaction ?
Calculate the maximum number of grams of H2S that can form when 158g of aluminum sulfide reacts with 131g of water.The *unbalanced* reaction is given below.
When you combine 2-ethoxybenzaldehyde and 4-heptanone what is the product and structure of that product. With 95% ethanol and 3M sodium hydroxide
A chemist added an excess of sodium sulfate to a solution of a soluble barium compound to precipitate all of the barium ion as barium sulfate, BaSO4. How many grams of barium ion are in a 487-mg sample of the barium compound if a solution of the s..
If the titrant has a molarity of 0.2500 M and there are 45.00 mL of analyte present, what is the molarity of the analyte?
An alloy, initially weighing 50 grams, contains 90 atomic% silver and 10 atomic% copper. How many grams of copper would have to be added to make the alloy 12 atomic% copper?
A rock sample contains traces of 238U, 235U, 232Th, 208Pb, 207Pb, and 206Pb. Careful analysis shows that the ratio of the amount of 238U to 206Pb is 1.164
Under what circumstances with regards to degrees of no polar characters are frenkel and schottky defects likely?
A sample of gas occupies 721 mL at 1.00 atm. The pressure is increased to 1.1 atm (the temperature stays the same). What is the new volume of gas in mL?
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