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genyjoannerubiera
10.12.2020 •
Chemistry
Sabrina places a hot pot with a temperature of 72 °C on top of a cool table at 28 °C. After 45 minutes, the pot and the table are the same temperature. Which of the following best describes what occurred?
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Ответ:
Heat is transferred from the hotter pot to the less hot one
Explanation:
When happened within the time period is that both substances reached thermal equilibrium.
This was made possible as heat passed from the hotter pot to the less one.
Heat is conducted from a body at high temperature to one at low temperature This way , the thermal gradient continues to change in order to attain equilibrium. When equilibrium is attained, no more thermal conduction occurs.Ответ:
Answer and Explanation:
Temperature: The ideal temperature for photosynthesis to be performed is 35ºC. This is because this is the ideal temperature range for which enzymes related to photosynthesis can act, and these enzymes can be denatured at higher or lower temperatures and denatured enzymes do not work properly.
Light intensity: Chlorophyll better absorbs the light intensity in the lengths of 450-475 nm and 650-675 nm. These intensities present the blue and orange red spectra.
CO2 levels: The ideal CO2 limit for performing photosynthesis is 0.3%. Above this limit the photosynthetic process can have harmful changes.
Oxygen production: Ideally, photosynthesis will release an oxygen molecule into the atmosphere, from each water molecule that the plant has absorbed.