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WHat are the boiling points and freezing point of a 2.97m solution of naphtalene in benzene. ( the boiling point and freezing point of benzene are 80.1 C and 5.5 C, respectively)
A dry-cleaning solvent (molecular weight = 146.99 g/mol) that contains C, H, and Cl is suspected to be a cancer-causing agent. When a 0.299 g sample was studied by combustion analysis, 0.537 g of CO2 and 0.0727 g of H2O formed.
determine the geometry of using vsepr theory of
a 0.0539 g sample of iron sulfate was dissolved in dilute hcl and treated with 10 bacl2 solution. the baso4 precipitate
Calculate the number of grams of NO2( molar mass=46.01 g/mol) gas inside a .500 L container at STP.
calculate the number of grams of iron and the number of grams of carbon dioxide formed
calculate the ph of a solution made by adding 18 g of sodium acetate nach3coo to 20. g of acetic acid ch3cooh and
What is the specific heat for the metal? Express your answer with the appropriate units. B) The molar heat capacity of silver is 25.35 J/mol
What is the most important extra step that has to be included in the first approach technique for assigning electrons in a heteronuclear diatomic molecule?
For 0.51 M HCN (Ka=6.2 x 10-10), mark the majorand minor species found in the solution. H+ HCN CN- H2O OH- Now calculate the pH of 0.51 M HCN solution. (Ka=6.2 x 10^-10)
how many grams of dry need to be added to 2.30 of a 0.400 solution of ammonia to prepare a buffer solution that has a
Prepare 2.0 L of 0.02 M acetic acid from 4.0 M acetic acid and nanopure water. How many L or mL do you need to make this
A mixture of 0.146 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0L vessel at 500 K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO?
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