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Ozone molecules in the stratosphere absorb much of the harmful radiation from the sun. How many ozone molecules are present in 1.00 L of air under the stratospheric ozone conditions of 227 K temperature and 1.89 * 10^-3 atm pressure?
Choose any two temperatures and corresponding vapor pressures in the table given, and use those values to calculate ?Hvap for dichloromethane (in kJ/mol).
Name and provide the structure of the major organic product which results when (R)-3,3-dimethyl-2-butanol is heated in the presence of HBr.
The temperature of 55.6 g of a material decreases by 14.8C when it loses 3080 J of heat. What is its specific heat?
Determine which ion will precipitate first and at what concentration of sulfate ion will the first precipitate begin to form?
gas expand isothermally and reversibly from 10 bar to 1 bar at t= 25 celcius. calculate q,w, delta u,h,s,a,g. please show how u got the equations
Need to calculate the heat formation of products, but have heat of formation for NaCl of concentration 1mol/L.
what is the name of the glassware to which the separatory funnel, boiling flask, and still head was attached during distillation?
Determine the change in entropy for the following reaction: SO3(g) + H2O(liquid) = H2SO4(liquid) Given:The following values of Standard Entropy at 25 deg C: SO3 = 256.2 Joules/K mol H2O = 69.9 Joules/K mol H2SO4 = 156.9 Joules/K mol
What is the enthalpy change for the neutralization reaction of 1 mol of CsOH in kJ?
does it mean that the solution will shift towards the products because there is excess of reactants? what does it mean when the solution is orange (is it shifting towards products or reactant)?
Discuss the value that non-executive board members bring to an organization. Provide specific examples to support your response.
Balance the equation in acidic solution and determine how much of a 0.850 M K2Cr2O7 solution is required to completely dissolve 5.25 g Cu
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