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Calculate the heat of hydration for the compound sodium sulfate (Na2SO4) given that 3 moles of water are released when 1 mole of the compound dissolves in water. The enthalpy of solution for sodium sulfate is -138 kJ/mol, and the enthalpy of hydration for water is -286 kJ/mol.
asked
Jan 23
in
ThermoChemistry
1
answer
20
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Where might a biological psychologist look for the cause of addiction?
asked
Jan 17
in
Psychology
1
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15
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What is the criticism of sociobiology?
answered
Jan 16
in
Psychology
1
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4
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What is the general approach of experimental research?
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Jan 15
in
Psychology
1
answer
30
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What is the importance of breaking the silence around mental health?
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Jan 14
in
Psychology
1
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28
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What is the relationship between ecology and animal behaviour?
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Jan 14
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Psychology
1
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6
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What are considered solid lipids that animals use to store energy?
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Jan 2
in
Science
1
answer
61
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Tendon, cartilage, and bone are examples of what type of tissue that supports and binds other tissues of the body?
asked
Dec 31, 2024
in
Science
1
answer
20
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Name an important natural resource in and of itself.
asked
Dec 31, 2024
in
Science
1
answer
29
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How many pairs of chromosomes are found in human cells?
answered
Dec 30, 2024
in
Science
1
answer
28
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Coronary heart disease is caused when what blocks coronary arteries?
asked
Dec 30, 2024
in
Science
1
answer
27
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Hydrogen peroxide will decompose over time to produce _______ gas.
answered
Dec 28, 2024
in
Science
1
answer
24
views
When solvent molecules selectively pass through a membrane from a dilute solution to concentrated solution, what process is occurring?
asked
Dec 27, 2024
in
Science
1
answer
49
views
What two-word term refers to the number of different species in the community?
answered
Dec 27, 2024
in
Science
1
answer
30
views
What force pulls objects toward the center of the earth?
answered
Dec 27, 2024
in
Science
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