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How does the concentration of reactants affect the reaction rate and sustainability of the reaction between hydrochloric acid and sodium thiosulphate?
asked
Feb 19
in
Chemical kinetics
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votes
1
answer
103
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How can the synthesis and characterization of novel nanomaterials be optimized to effectively remove heavy metal ions from contaminated water sources?
asked
Feb 11
in
Materials Chemistry
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1
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95
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Calculate the standard free energy change for the following redox reaction at 298 K:2 Mg(s) + O2(g) -> 2 MgO(s)(The standard reduction potential for Mg2+/Mg is -2.37 V and for O2/H2O is +1.23 V)
asked
Feb 3
in
Chemical thermodynamics
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1
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59
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How does the base excision repair mechanism work to maintain the integrity of DNA during replication and prevent mutations?
asked
Jan 31
in
BioChemistry
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1
answer
71
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Calculate the formal charge of nitrogen in the molecule NO₃⁻.
asked
Jan 23
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Chemical bonding
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1
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81
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Who created the appreciative inquiry approach?
asked
Jan 17
in
Psychology
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1
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80
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When applying the information processing theory in teaching, what is the role of attention?
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Jan 17
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Psychology
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1
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44
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What is marital satisfaction?
asked
Jan 14
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Psychology
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1
answer
77
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What is the relationship between attitudes and behaviour in cognitive dissonance theory?
asked
Jan 13
in
Psychology
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1
answer
40
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What are the stages of sleep?
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Jan 13
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Psychology
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1
answer
58
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When a stalactite and stalagmite join together, they form a what?
asked
Jan 8
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Science
0
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1
answer
55
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What is the name of film that polyester fibers form?
asked
Jan 7
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Science
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1
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92
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What factors determine the effect of a gene?
asked
Jan 6
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Science
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1
answer
97
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What device changes kinetic energy to electrical energy through electromagnetic induction?
asked
Jan 6
in
Science
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1
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139
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What cell structures capture light energy from the sun and use it with water and carbon dioxide to produce sugars for food?
asked
Jan 6
in
Science
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1
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42
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Vertebrates have evolved more complex digestive systems, with some species having multi-chambered types of what organ?
asked
Jan 2
in
Science
0
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1
answer
102
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Passive immunity arises from the transfer of what to an individual, without requiring them to mount their own active immune response?
asked
Dec 31, 2024
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Science
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1
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64
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Mechanical energy can also usually be expressed as the sum of kinetic energy and what other kind of energy?
asked
Dec 31, 2024
in
Science
0
votes
1
answer
53
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Kangaroos, koalas, and opossums are examples of what type of mammals?
asked
Dec 31, 2024
in
Science
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1
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91
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In general, objects expand in all directions as temperature does what?
asked
Dec 31, 2024
in
Science
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