Recent activity by MarianaHartu

1 answer 55 views

How can chemistry educators increase student interest in the subject, particularly among underrepresented groups of students?

asked Jan 30 in Chemical education

1 answer 81 views

A chemistry student needs to determine the concentration of silver nitrate (AgNO3) in a given sample from the following information:- A 10 mL sample of 0.1 M sodium chloride (NaCl) was mixed with excess silver nitrate.- The resulting precipitate was filtered, washed, and dried. The mass of the precipitate was found to be 0.212 g.- The molar mass of AgNO3 is 169.87 g/mol.What is the concentration of AgNO3 in the original sample?

asked Jan 22 in Analytical Chemistry

1 answer 43 views

When was the concept of social loafing first identified?

asked Jan 20 in Psychology

1 answer 9 views

Where can we find evidence for the external validity of a theory in organisational psychology?

asked Jan 16 in Psychology

1 answer 41 views

What is a moderator variable?

answered Jan 14 in Psychology

1 answer 48 views

What part of the body does emphysema affect?

answered Jan 7 in Science

1 answer 45 views

Soluble minerals and clays accumulate in what soil layer, allowing it to hold more water?

answered Dec 31, 2024 in Science

1 answer 48 views

Like mammals and birds, and unlike other reptiles, crocodiles have how many chambers in their heart?

answered Dec 31, 2024 in Science

1 answer 29 views

Leaving tampons in for too long can put you at risk of what syndrome?

asked Dec 31, 2024 in Science

1 answer 9 views

What are the three types of muscle tissue in the body?

answered Dec 27, 2024 in Science

1 answer 23 views

What is the common term for solid carbon dioxide, which is used as a coolant?

answered Dec 27, 2024 in Science

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