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Calculate how much acetylene (C2H2) can be produced from 358g of H2O and an excess of CaC2 if the percent yield for this reaction is 94.5%CaC2+2H2O----->C2H2+Ca(OH)2A. 338gB. 489gC. 244gD. 259g
Calculate the Calorimeter Constant if 25 g of water at 60C was added to 25 g of water at 25C with a resulting temperature of 35C?
A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 6.90kg of water at 34.7 degrees C . During the reaction 57.1kJ of heat flows out of the bath and into the flask.
A solution is prepared by mixing 50.0 ml of ethanol with 300.0 ml of water what is the precent of ethanol in this solution. assume the volumes are additive.
Select the IR frequency and number of NMR signals that is diagnostic for either isomer a or isomer b. Isomer A: cyclopentanecarboxamide Isomer B: 6-hydroxyhexanenitrile
For the reaction for the formation of NaClO (below) , if you have 1.23 mol NaOH and 1.47mol Cl2, which is the limiting reactant? How many moles of NaClO could be obtained?
Calculate the number of moles of the H2O2 in the 10.00 mL sample in every titration from the volume of KMnO4 used and the stoichiometry of the reaction.
3Cl2(g) + 6NaOH(aq) ? 5NaCl(aq) + NaClO3(aq) + 3H2O(l). How many grams of sodium chloride can be produced from 37.2 g of NaOH
Calculate the mean and standard deviation of w/v percentage of acetic acid and the 95% confidence interval for the mean. Calcium in a mineral was analyzed five times by each of two methods
separate a mixture of alkane. which HPLC mode you will choose and why? ( Consider Normal-phase, ion- exchange, and size-exclusion).
The compounds Na2O, CdS and ZrI4, all can be described as cubic closest packed anions with the cations in tetrahedral holes. What fraction of the tetrahedral holes is occupied for each case?
Calculate the work done (in Joules) when 1 mole of ideal gas at 2 bar pressure and 300 K is expanded isothermally to a pressure of 1.5 bar, with the external pressure held constant at 1.5 bar.
if 5.50 mol calcium carbide reacts with an excess water, how many moles of acetylene will be produced?
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