Questions by SueCasteel38

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1 answer 82 views

What are the resonance structures of nitrate ion (NO3-) and how can they be identified using formal charges and electron-dot structures?

asked Feb 21 in Chemical bonding

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1 answer 87 views

How do the properties of surfactants change as their concentration and temperature vary?

asked Feb 17 in Surface Chemistry

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1 answer 84 views

How can we design drugs that effectively target HIV virus while minimizing side effects on the human body?

asked Feb 12 in Medicinal Chemistry

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1 answer 90 views

What are the current limitations in designing drugs for cancer treatment and how can chemical modifications of existing compounds improve their efficacy and reduce their side effects on healthy cells?

asked Feb 12 in Medicinal Chemistry

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1 answer 94 views

How can the knowledge of enzyme or receptor structure and function be used to design drugs with high selectivity and affinity for the target enzyme or receptor?

asked Feb 7 in Medicinal Chemistry

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1 answer 166 views

What are the most effective study strategies and techniques that can help a chemistry student better understand complex chemical concepts and overcome difficulties in learning?

asked Jan 30 in Chemical education

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1 answer 112 views

Calculate the enthalpy change for the reaction below using Hess's Law and the given thermochemical equations:2H2(g) + O2(g) -> 2H2O(g) deltaH1 = -484 kJ/molH2(g) + 1/2O2(g) -> H2O(g) deltaH2 = -242 kJ/mol 2H2O(g) -> 2H2(g) + O2(g) deltaH3 = +484 kJ/mol

asked Jan 23 in ThermoChemistry

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1 answer 99 views

Calculate the enthalpy change (∆H) for the combustion reaction of methane gas (CH4) using Hess’s Law, when the enthalpy changes for the following reactions are given: Reaction 1: CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (l); ∆H = -891 kJ/mol Reaction 2: C (s) + O2 (g) → CO2 (g); ∆H = -393.5 kJ/mol Reaction 3: 2H2 (g) + O2 (g) → 2H2O (l); ∆H = -484 kJ/mol

asked Jan 23 in ThermoChemistry

0 votes

1 answer 132 views

How do the cognitive and behavioural approaches to therapy differ?

asked Jan 20 in Psychology

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1 answer 58 views

Why is reclaimed language important?

asked Jan 20 in Psychology

+1 vote

1 answer 206 views

According to Vygotsky, how do children acquire knowledge?

asked Jan 17 in Psychology

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1 answer 115 views

Who developed the term 'emic' and 'etic'?

asked Jan 16 in Psychology

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1 answer 57 views

What is the self-disclosure theory?

asked Jan 16 in Psychology

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1 answer 70 views

What is a confounding variable, and how can it be controlled for?

asked Jan 16 in Psychology

0 votes

1 answer 68 views

What is the triarchic model of creativity?

asked Jan 15 in Psychology

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1 answer 55 views

Who proposed the theory of Attachment?

asked Jan 15 in Psychology

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1 answer 66 views

What is introspection in psychology?

asked Jan 15 in Psychology

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1 answer 153 views

What is the relationship between depression and genetics?

asked Jan 14 in Psychology

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1 answer 74 views

What is the primary criticism of the trait approach to personality?

asked Jan 10 in Psychology

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1 answer 69 views

When referring to genes, what term describes the property of having multiple phenotypic effects?

asked Jan 8 in Science

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