Questions by SamMph085344

0 votes

1 answer 30 views

How does the reaction rate (measured in moles per second) of the reaction between hydrochloric acid (HCl) and magnesium (Mg) change as the pH of the solution varies from 1 to 7?

asked Feb 22 in Chemical kinetics

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1 answer 34 views

What is the mechanism of action for the photochemical properties of the active ingredients in a selected sunscreen agent, and how do different factors, such as wavelength of light and concentration of the active ingredient, affect its efficacy?

asked Feb 20 in PhotoChemistry

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1 answer 32 views

How does the double helix structure of DNA facilitate its replication during cell division? Describe the role of nucleotides, base pairing, and DNA polymerase in the process.

asked Feb 19 in BioChemistry

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1 answer 44 views

How can we apply the principles of organic chemistry to the production of everyday items like food additives and medicines? Provide examples of specific chemicals used in these products and explain their roles and functions.

asked Feb 14 in Chemical education

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1 answer 51 views

What is the predicted bond angle in a water molecule and how is it determined using VSEPR theory?

asked Feb 13 in Chemical bonding

0 votes

1 answer 35 views

How can the lack of funding for chemistry education be addressed to ensure that students have access to quality educational resources and equipment necessary for practical learning and knowledge retention?

asked Feb 7 in Chemical education

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1 answer 45 views

How can inadequate preparation for chemistry exams impact a student's grades and overall academic performance? Specifically, what study methods and strategies can be employed to improve understanding and retention of key concepts in chemistry?

asked Feb 5 in Chemical education

0 votes

1 answer 76 views

Calculate the enthalpy change for the reaction of 2.5 g of hydrogen gas with excess oxygen gas to produce water, given that the enthalpy of formation of water is -285.83 kJ/mol and the molar mass of hydrogen gas is 2.02 g/mol.

asked Jan 23 in ThermoChemistry

0 votes

1 answer 40 views

What is the role of personality in shaping social attitudes?

asked Jan 20 in Psychology

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1 answer 37 views

How does attention affect problem-solving?

asked Jan 17 in Psychology

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1 answer 70 views

Where did Abraham Maslow develop his hierarchy of needs?

asked Jan 17 in Psychology

0 votes

1 answer 37 views

What is the difference between a static and dynamic approach to discursive psychology?

asked Jan 16 in Psychology

0 votes

1 answer 64 views

What is the Psychological Refractory Period?

asked Jan 15 in Psychology

0 votes

1 answer 54 views

How is the PAR approach used in community psychology?

asked Jan 15 in Psychology

0 votes

1 answer 71 views

What is the difference between dissociative identity disorder and borderline personality disorder?

asked Jan 14 in Psychology

0 votes

1 answer 46 views

What is the difference between an ingroup and an outgroup?

asked Jan 13 in Psychology

0 votes

1 answer 55 views

What might be a diathesis factor for depression?

asked Jan 13 in Psychology

0 votes

1 answer 49 views

Where do stratus clouds occur in the troposphere?

asked Jan 8 in Science

0 votes

1 answer 134 views

When different types of tissues work together to perform a unique function, what do they form?

asked Jan 8 in Science

0 votes

1 answer 66 views

What is the term for body parts that do not serve their original function?

asked Jan 7 in Science

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