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User RosemarieKin
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What is the reaction quotient for the following chemical reaction at 298K, given the concentrations of the reactants and products?2NO (g) + O2 (g) ⇌ 2NO2 (g)[NO] = 0.50 M[O2] = 0.25 M[NO2] = 0.75 M
asked
3 days
ago
in
Chemical thermodynamics
0
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1
answer
21
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What is the effect of different wavelengths of light on the rate of the hydrogen peroxide decomposition reaction?
asked
6 days
ago
in
Chemical kinetics
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1
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21
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What is the hybridization of the central atom in the molecule of formaldehyde (CH2O)?
asked
Feb 18
in
Chemical bonding
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1
answer
27
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What is the bond energy required to break a single bond between two carbon atoms in a molecule of ethane (C2H6)?
asked
Feb 18
in
Chemical reactions
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1
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21
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How can we optimize the SERS performance in detecting trace amounts of environmental pollutants?
asked
Feb 17
in
Surface Chemistry
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1
answer
11
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How does the density functional theory calculations explain the catalytic activity of transition metal nanoparticles in the oxygen reduction reaction?
asked
Feb 12
in
Computational Chemistry
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1
answer
9
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What is the impact of chlorofluorocarbons (CFCs) on the ozone layer and how can their production and use be reduced to prevent further ozone depletion?
asked
Feb 12
in
Environmental Chemistry
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1
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29
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How can chemistry teachers provide better support for students with learning disabilities in the classroom to ensure they have equal access to education and achieve academic success?
asked
Feb 6
in
Chemical education
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votes
1
answer
45
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How will an increase in temperature affect the equilibrium of the reaction 2SO2 (g) + O2(g) ⇌ 2SO3(g) ?
asked
Jan 31
in
Chemical equilibrium
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1
answer
75
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What is the concentration of copper ions in a given water sample using polarography?
asked
Jan 30
in
Analytical Chemistry
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94
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What is the concentration of a copper (II) sulfate solution if its absorbance is measured to be 0.25 using a spectrophotometer with a 1 cm cuvette and a wavelength of 620 nm, assuming a molar absorptivity of 5,400 M^-1cm^-1?
asked
Jan 30
in
Analytical Chemistry
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1
answer
82
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How can X-ray diffraction be used to determine the composition of a sample containing multiple crystal phases?
asked
Jan 30
in
Analytical Chemistry
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1
answer
65
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Calculate the bond order and bond length of the nitrogen-oxygen bond in the nitrate ion (NO3-).
asked
Jan 23
in
Inorganic Chemistry
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1
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12
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A voltaic cell consists of a standard hydrogen electrode and a copper electrode in a solution of copper(II) sulfate. The measured cell potential is 0.78 V at 25°C. If the concentration of copper(II) sulfate is 0.1 M, what is the resistance of the electrochemical cell?
asked
Jan 22
in
ElectroChemistry
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1
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75
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Where was the first study on acceptance and commitment therapy ACT conducted?
asked
Jan 20
in
Psychology
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1
answer
10
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Where did Skinner conduct his research?
asked
Jan 20
in
Psychology
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votes
1
answer
65
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What is the basis of the social learning theory?
asked
Jan 20
in
Psychology
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votes
1
answer
67
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Where did E. L. Thorndike conduct his research on animal behaviour?
asked
Jan 17
in
Psychology
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1
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10
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Who conducted the Bobo Doll Experiment?
asked
Jan 17
in
Psychology
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1
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51
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What is a quasi-independent variable?
asked
Jan 15
in
Psychology
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