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If 40.0 g of methane (CH4) is confined to 2.50 x10^3 mL at 200 degrees celsius, what pressure in atm does it exert
Draw the Lewis structures for the following compounds. 1) PBr3 Using VSEPR, what is the shape about the P. 2) N2H2 3) CH3OH Using VSEPR, what is the shape about the C and about the O? 4) CO2 Using VSEPR, what is the shape about the C? 5) C2H4
Calculate the expected change in temperature for 1.7 g of NH NO dissolved in 50.0 2 cal mL of H O. Assume that the calorimeter absorbs no heat. (ie. C =0)(Remember to use dimensional analysis
a 1.00-l gas sample at 100.degc and 589 torr contains 50.0 helium and 50.0 xenon by mass. what are the partial
Identify the cathode and anode and determine the standard cell potential for a voltaic cell composed of Co^2+/CO(2) and FE^3+/Fe(s).
One of the side effects of taking non-steroidal anti-inflammatories like aspirin and ibuprofen is a degradation of the integrity of the stomach lining.
Which of the following statement(s) describes the pressure of gas? a) the force of gas partials on the walls of the container; b) the number of gas particals in a container; c) the volume of the container; d) 3.00 atm; e) 750 torr.
A buffer solution is made by dissolving 0.4832 g NH_3 and 1.1032 g NH_4Cl in 250.0 mL water. then 25mL of .0500 M NaOH is added to the buffer solution
Calculate the approximate amount of unknown acid to use such that it would require about 15 mL of 0.05M NaOH to reach the endpoint.
Why might this fire rekindle days later as someone tries to remove the residue with water? What chemical process is involved here?
Determine the pH of (a) a 0.20 M NH3 solution, (b) a solution that is 0.20 M in NH3 and 0.30 M NH4Cl
calculate the equilibrium pressure of N2O4(g) and NO2(g). (c) What percentage (by moles) of the original N2O4(g) is dissociated at the new equilibrium position (total pressure = 1.00 atm)?
Derive the relationship that the effective rate constant of the reaction K is the same as (d[P]/dT)/([A][B]) takes the form k= k2 exp(-deltaG/RT) Where deltaG(these deltaG are with double dagger )is the standard free energy difference between the ..
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