Recent activity by KlausWillcoc

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Calculate the standard enthalpy change for the formation of carbon dioxide (CO2) from its elements, given the following standard enthalpies of formation:ΔHf°(CO2) = -393.5 kJ/molΔHf°(C) = 0 kJ/molΔHf°(O2) = 0 kJ/mol

answered Feb 3 in Chemical thermodynamics

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How can X-ray diffraction analysis be used to determine the composition and crystal structure of a mineral sample?

answered Jan 30 in Analytical Chemistry

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Why do some researchers suggest that exposure to violent media may contribute to aggressive behaviour?

asked Jan 20 in Psychology

1 answer 21 views

Who developed the theory of Operant Conditioning?

answered Jan 15 in Psychology

1 answer 31 views

Where is the site of photosynthesis?

asked Jan 8 in Science

1 answer 10 views

Where does most natural gas come from?

asked Jan 8 in Science

1 answer 55 views

What is the ratio of the uncertainty to the measured value, multiplied by one-hundred called?

answered Jan 7 in Science

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What is the fluid that carries sperm through the urethra and out of the body, and provides it with nutrients?

answered Jan 7 in Science

1 answer 66 views

What distinctive configuration of dna demonstrates the base-pairing nature of the bases?

answered Jan 6 in Science

1 answer 53 views

Transgenic animals are animals that have incorporated a gene from another species into their what?

answered Jan 2 in Science

1 answer 28 views

The primary role of leaves is to collect what?

answered Jan 2 in Science

1 answer 29 views

Myopia is commonly called what?

answered Dec 31, 2024 in Science

1 answer 25 views

Atoms are combined, separated, or rearranged during what?

asked Dec 30, 2024 in Science

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