Recent activity by Johnson21A65

1 answer 41 views

Given the reaction between sulfuric acid and sodium hydroxide, predict the chemical equation for the products formed and balance the reaction. Calculate the amount of sulfuric acid needed to neutralize 20 grams of sodium hydroxide.

answered 1 day ago in Inorganic Chemistry

1 answer 57 views

What is the composition of a sample solution of caffeine and aspirin using high-performance liquid chromatography (HPLC) with a C18 column and a mobile phase of acetonitrile and water containing 0.1% trifluoroacetic acid at a flow rate of 1 mL/min?

asked 6 days ago in Analytical Chemistry

1 answer 68 views

Identify the major product(s) of the following nucleophilic substitution reaction:CH3Br + NH2OH → ?

asked Jan 21 in Organic Chemistry

1 answer 50 views

What is the pH of a 0.1 M solution of acetic acid (CH3COOH) and its corresponding acetate ion (CH3COO-) when the dissociation constant (Ka) of acetic acid is 1.8 x 10^-5 at 25°C?

asked Jan 21 in Organic Chemistry

1 answer 23 views

What is the name of the famous experiment that demonstrated the importance of contact in reducing prejudice?

answered Jan 20 in Psychology

1 answer 23 views

Who proposed that humans are born with an innate knowledge of universal grammar?

answered Jan 20 in Psychology

1 answer 28 views

Who proposed the multimodal approach?

asked Jan 15 in Psychology

1 answer 7 views

According to James Marcia, what is the identity status where adolescents have committed to a set of beliefs and values?

asked Jan 15 in Psychology

1 answer 26 views

Who is Carl Rogers and what was his contribution to psychology?

asked Jan 13 in Psychology

1 answer 21 views

Which theory states that the characteristics of living things are controlled by genes?

asked Jan 8 in Science

1 answer 46 views

What are needed to oxidize the noble gases to form compounds in positive oxidation states?

asked Jan 3 in Science

1 answer 19 views

Water molecules are polar, so they form what type of bonds?

answered Jan 2 in Science

1 answer 22 views

The stoichiometric coefficients indicate the relative amounts of what?

asked Jan 2 in Science

1 answer 29 views

The sternum and 12 pairs of ribs with their costal cartilages make up what?

answered Jan 2 in Science

1 answer 38 views

A basic function of cells includes obtaining what from glucose?

answered Dec 30, 2024 in Science

1 answer 25 views

What do angiosperms produce?

answered Dec 28, 2024 in Science

1 answer 23 views

Which region is just posterior to the mouth?

answered Dec 27, 2024 in Science

1 answer 32 views

This process breaks rocks and other surface materials into much smaller pieces?

answered Dec 27, 2024 in Science

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