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28
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What is the boiling point of magnesium chloride (MgCl2) if its melting point is -711°C? (Assuming standard pressure and the compound is in its solid form when heated to its boiling point.)
answered
Feb 17
in
Inorganic Chemistry
0
votes
56
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Calculate the standard enthalpy change for the reaction between 50.0 mL of 0.200 M HCl(aq) and 50.0 mL of 0.300 M NaOH(aq) at 25°C. The heat capacity of the calorimeter is 9.60 J/°C and the temperature change observed is 4.00°C. Also, assume that the density of both solutions is 1.00 g/mL and that the heat capacity and density of the final solution are the same as that of water.
answered
Feb 3
in
Chemical thermodynamics
0
votes
58
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Calculate the exchange current density for a Zinc electrode immersed in a solution containing 0.1 M Zinc ions at 25 degrees Celsius, given that the standard potential of the Zinc half-reaction is -0.76 V and the transfer coefficient is 0.5. (Assume concentration polarization effects to be negligible.)
answered
Jan 23
in
ElectroChemistry
0
votes
66
views
How does increasing the temperature affect the rate of reaction between sodium thiosulfate and hydrochloric acid?
answered
Jan 22
in
Chemical kinetics
0
votes
44
views
According to the psychoanalytic theory, what are the defence mechanisms used to cope with anxiety?
answered
Jan 20
in
Psychology
0
votes
16
views
Compare the contributions of Freud and Erik Erikson to developmental psychology.
answered
Jan 17
in
Psychology
0
votes
119
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Why is it important to understand the role of emotion in behaviour and mental processes?
answered
Jan 16
in
Psychology
0
votes
84
views
What is the main criticism of the schema theory?
answered
Jan 16
in
Psychology
0
votes
98
views
When evaluating the theories of attribution, what is the fundamental attribution error?
answered
Jan 16
in
Psychology
0
votes
37
views
Why is memory significant in psychology?
answered
Jan 15
in
Psychology
0
votes
79
views
Where does the social ecology perspective of human sexuality focus?
answered
Jan 15
in
Psychology
0
votes
96
views
Who suggests that the grief process can help individuals develop new capacities and reframe their worldview?
answered
Jan 15
in
Psychology
0
votes
73
views
What is privilege?
answered
Jan 14
in
Psychology
0
votes
59
views
What is temporal resolution in cognitive neuroscience?
answered
Jan 14
in
Psychology
0
votes
75
views
What is the relationship between sleep and mental health?
answered
Jan 14
in
Psychology
0
votes
86
views
What is the difference between rods and cones?
answered
Jan 14
in
Psychology
0
votes
73
views
What is the difference between perception and discrimination thresholds?
answered
Jan 13
in
Psychology
0
votes
123
views
What type of muscle is found in the walls of other internal organs such as the stomach?
answered
Jan 8
in
Science
0
votes
44
views
What rocks are formed by crystallization of chemical precipitates?
answered
Jan 7
in
Science
0
votes
28
views
What are the primary causes of bone fractures?
answered
Jan 6
in
Science
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