Questions by ShirleySteer

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1 answer 39 views

Calculate the activation energy required for a chemical reaction to occur, given that the rate constant at 298 K is 4.70 x 10^-3 s^-1 and the rate constant at 313 K is 1.20 x 10^-2 s^-1. (Assume the Arrhenius equation applies.)

asked Jan 23 in Chemical reactions

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1 answer 17 views

What is the difference between confirmation and disconfirmation in theory evaluation?

asked Jan 16 in Psychology

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1 answer 23 views

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

asked Jan 7 in Science

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1 answer 19 views

What is the amorphous form of carbon prepared by the incomplete combustion of natural gas?

asked Jan 6 in Science

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1 answer 51 views

What can prevent the passage of molecules and ions between cells, such as in the blood-brain barrier?

asked Jan 6 in Science

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1 answer 28 views

What term is used to describe animals that excrete ammonia?

asked Dec 27, 2024 in Science

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