Recent activity by HeribertoEmb

1 answer 29 views

How can new materials be synthesized and characterized for the removal of specific contaminants, such as heavy metals, from water sources? What type of characterization techniques can be used to determine the effectiveness and efficiency of these materials for water purification?

asked 10 hours ago in Materials Chemistry

1 answer 22 views

Calculate the standard enthalpy change for the vaporization of 15 grams of water given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.

answered 2 days ago in Chemical thermodynamics

1 answer 53 views

How can the practical applications of chemistry be emphasized more in the classroom to better prepare students for real-world chemistry situations and careers?

asked 6 days ago in Chemical education

1 answer 49 views

Calculate the enthalpy change for the ionization of sodium chloride given that the enthalpy of formation of NaCl is -411 kJ/mol, and the ionization energy of Na and Cl are 496 kJ/mol and 349 kJ/mol respectively.

answered Jan 23 in ThermoChemistry

1 answer 35 views

How does introspection aid in understanding mental processes?

asked Jan 17 in Psychology

1 answer 52 views

What is the Protection Motivation Theory?

answered Jan 15 in Psychology

1 answer 52 views

Who developed the triarchic theory of intelligence?

asked Jan 10 in Psychology

1 answer 28 views

Which hormone is secreted by the pancreas in a human body?

answered Jan 8 in Science

1 answer 8 views

What man-made devices in space are used to observe the earth's surface?

asked Jan 7 in Science

1 answer 28 views

What is the process in which cells break down glucose, release the stored energy, and use it to make atp

asked Jan 7 in Science

1 answer 24 views

What is a galvanic process that can be prevented using cathodic protection?

answered Jan 6 in Science

1 answer 45 views

What characteristics of an organism help it survive?

asked Jan 6 in Science

1 answer 42 views

The changing of a light ray’s direction (loosely called bending) when it passes through variations in matter is called this?

asked Dec 31, 2024 in Science

1 answer 20 views

Distillation is an effective method to separate mixtures comprised of two or more what?

answered Dec 30, 2024 in Science

1 answer 24 views

Controlled variables are kept what to prevent them from influencing the effects of the independent variable on the dependent variable?

answered Dec 30, 2024 in Science

1 answer 8 views

Around 97% of all water on earth is what type of water?

asked Dec 30, 2024 in Science

1 answer 21 views

The benthic zone is found at the bottom of all of what type of biomes?

asked Dec 27, 2024 in Science

1 answer 34 views

What type of organism is commonly used in preparation of foods such as cheese and yogurt?

answered Dec 24, 2024 in Science

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