# Chemistry

Fluorine reacts with oxygen to yield oxygen difluoride.
2 F2(g) + O2(g) 2 OF2(g)K = 2.00x 10^2

(a) Calculate [O2] at equilibrium when [OF2] = 0.25 mol/L and [F2] = 0.0208 mol/L.
mol/L

(b) Calculate [OF2] at equilibrium when [F2] = 0.088 mol/L and [O2] = 0.513 mol/L.
mol/L

1. 👍 0
2. 👎 0
3. 👁 88
1. You need to FIND and USE arrows; how are we to know where reactants stop and products begin?
Are these values INITIAL? or equilibrium?

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Chemistry

Fluorine reacts with oxygen to yield oxygen difluoride. 2 F2(g) + O2(g) 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2] = 0.200 mol/L, [F2] = 0.0100 mol/L, and [OF2] = 0.0633 mol/L

asked by Marie on December 9, 2012
2. ### Chemistry

Fluorine reacts with oxygen to yield oxygen difluoride. 2 F2(g) + O2(g) 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2]= 0.200 mol/L, [F2]=0.0100 mol/L, and [OF2]=0.0633 mol/L

asked by Sally on March 1, 2012
3. ### Chemistry

Fluorine reacts with oxygen to yield oxygen difluoride. 2 F2(g) + O2(g) 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2]= 0.200 mol/L, [F2]=0.0100 mol/L, and [OF2]=0.0633 mol/L

asked by Sally on March 2, 2012
4. ### chemistry 12

sry, a misprint. its: O2+2F2 2OF2 The question is looking for Kc. 2.50 mo of oxygen and 2.50 mol of fluorine gas are placed in a 2.00L glass container at room temperature. The container is heated to 400K and the following

asked by Natalie on November 20, 2006
5. ### chemistry

Select all cases where the substance shown has a molecular dipole? (HO)2SO2 sulfuric acid CH3CF3 1,1,1-trifluoroethane C4H8 cyclobutane OF2 oxygen difluoride CH3CH2CO2H propionic acid i know OF2 don't have dipole.

asked by bubble on January 16, 2010
6. ### chemistry - Bonding

#1) Draw the following ions using a Bohr diagram: b)oxygen: i got [oxygen:2)8)]-2 (the -2 is an exponent) but the answer said [oxygen: 2)8)8)]-2...is this right? d)fluorine: i got [fluorine:2)8)]-1 and the book says [fluorine:

asked by Sarah on May 10, 2008
7. ### science - atoms and bonds

#1) Draw the following ions using a Bohr diagram: b)oxygen: i got [oxygen:2)8)]-2 (the -2 is an exponent) but the answer said [oxygen: 2)8)8)]-2...is this right? d)fluorine: i got [fluorine:2)8)]-1 and the book says [fluorine:

asked by Sarah on May 10, 2008
8. ### CHEMISTRY PLZ HELP

Select all substances with an acceptor atom that can hydrogen bond to a hydrogen atom that is part of a polar covalent bond HCCH (ethyne), Br2 (dibromine), H2CCH2 (ethene), CH3Cl (chloromethane), CH3CH2CO2H (propionic acid),

asked by chris on January 24, 2009
9. ### CHEMISTRY PLZ HELP

Select all substances with an acceptor atom that can hydrogen bond to a hydrogen atom that is part of a polar covalent bond. HCCH ethyne Br2 dibromine H2CCH2 ethene CH3Cl chloromethane CH3CH2CO2H propionic acid OF2 oxygen

asked by chris on January 24, 2009
10. ### CHEMISTRY

Select all substances with an acceptor atom that can hydrogen bond to a hydrogen atom that is part of a polar covalent bond HCCH ethyne Br2 dibromine H2CCH2 ethene CH3Cl chloromethane CH3CH2CO2H propionic acid OF2 oxygen

asked by chris on January 24, 2009

More Similar Questions