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Calculate the enthalpy change of the isomerization of but-2-ene to 2-methylpropene given the standard enthalpy of formation of but-2-ene is -20.4 kJ/mol and that of 2-methylpropene is -27.0 kJ/mol. The reaction is carried out at constant pressure and 298 K.
answered
Jan 23
in
ThermoChemistry
0
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53
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Calculate the amount of heat absorbed or released when 50 grams of NaCl crystals at 25°C are dissolved in 200 grams of water at the same temperature. Given the enthalpy of crystallization of NaCl is -787 kJ/mol and the specific heat capacity of water is 4.18 J/g°C.
answered
Jan 23
in
ThermoChemistry
0
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64
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What is the major product formed in the elimination reaction of 2-methylcyclohexanol with concentrated sulfuric acid at high temperature?
answered
Jan 21
in
Organic Chemistry
0
votes
61
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When was the Bobo doll experiment conducted?
answered
Jan 20
in
Psychology
0
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47
views
What is the relationship between attention and arousal?
answered
Jan 17
in
Psychology
0
votes
31
views
What is the causal attribution theory?
answered
Jan 16
in
Psychology
0
votes
11
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What is the difference between a case study and ethnography in qualitative research?
answered
Jan 16
in
Psychology
0
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76
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Where in discursive psychology do scholars look at how talk shapes social action?
answered
Jan 15
in
Psychology
0
votes
36
views
How does reinforcement learning work?
answered
Jan 15
in
Psychology
0
votes
42
views
What is the role of family members in OCD treatment?
answered
Jan 15
in
Psychology
0
votes
34
views
According to Horney, when does basic anxiety develop?
answered
Jan 15
in
Psychology
0
votes
27
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What is the function of the superego in Freud's theory?
answered
Jan 13
in
Psychology
0
votes
34
views
Whisk ferns have yellow sporangia and no what?
answered
Jan 8
in
Science
0
votes
29
views
What type of gas is produced by alcoholic fermentation of the glucose in corn or other plants?
answered
Jan 8
in
Science
0
votes
58
views
What is the process resulting in living things with beneficial traits producing more offspring?
answered
Jan 7
in
Science
0
votes
34
views
What is the name of the process for delivering water to crops?
answered
Jan 7
in
Science
0
votes
34
views
What is the name for the process of charging an object by touching it with another charged object?
answered
Jan 7
in
Science
0
votes
30
views
What is heard when sound waves bounce back from a surface that they can't pass through?
answered
Jan 6
in
Science
0
votes
36
views
Gas, liquid, and solid describe what property of matter?
answered
Dec 30, 2024
in
Science
0
votes
46
views
During photosynthesis what organelle is used by plants to change sunlight into chemical energy?
answered
Dec 30, 2024
in
Science
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