Recent activity by AlexHgd21519

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What is the efficient and effective method for the preparation of 2,4-dichlorobenzoic acid from benzoic acid and chlorine gas, including the suitable conditions and parameters needed to ensure a high yield of product and minimal waste?

answered Jan 31 in Chemical synthesis

1 answer 8 views

How can the concentration of a hydrochloric acid solution be determined using sodium hydroxide as the titrant? What volume of a 0.2 M NaOH solution is needed to neutralize 25 mL of 0.1 M HCl solution?

asked Jan 29 in Analytical Chemistry

1 answer 57 views

What is the balanced chemical equation for the reaction between iron(III) oxide and hydrogen gas to form iron metal and water?

answered Jan 21 in Inorganic Chemistry

1 answer 25 views

How does the foot-in-the-door technique work?

answered Jan 20 in Psychology

1 answer 26 views

Why is the ecological systems theory important for understanding human development?

asked Jan 20 in Psychology

1 answer 28 views

Where does the concept of 'existential emptiness' come from?

answered Jan 20 in Psychology

1 answer 8 views

In contrast, how does cognitive theory see the influence of thoughts on behaviour?

asked Jan 17 in Psychology

1 answer 8 views

Where does pragmatism suggest that knowledge is constructed?

asked Jan 16 in Psychology

1 answer 35 views

What is an attitude?

asked Jan 14 in Psychology

1 answer 24 views

What is the process in which a solid changes directly to a gas called?

asked Jan 7 in Science

1 answer 24 views

What is another name for flatworms such as tapeworms and flukes?

answered Jan 6 in Science

1 answer 10 views

What do you call an abnormal mass formed when cells divide uncontrollably?

answered Jan 6 in Science

1 answer 37 views

We divide up the earth's seas into five what, which are really all interconnected?

asked Jan 2 in Science

1 answer 19 views

Tendons connecting the scapula to the humerus form what, which is the circle of tendons around the shoulder joint?

answered Dec 31, 2024 in Science

1 answer 35 views

Are the joints between the vertebrae contained in your backbone fully movable, partially movable, or unmovable?

answered Dec 30, 2024 in Science

1 answer 27 views

A change in one or more physical properties of matter without any change in chemical properties is called what?

answered Dec 28, 2024 in Science

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