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What else can I help you with?
Why don't detergents work well at higher temperatures?
Detergents can become less effective at higher temperatures because the water can cause them to break down or lose their cleaning properties. In addition, certain stains or soils may become more difficult to remove at higher temperatures due to changes in their chemical composition or structure.
How does sugar concentration affect the fermentation of ethanol?
Using wine to illustrate, the amount of sugar available to the yeast determines how much ethanol will be produced - up to 'a point', say a 13% ethanol solution: a concentration higher than this cannot be obtained [without distillation technology] because Yeast cannot tolerate it.
Which curve represents the behavior of an enzyme taken from a bacterium that lives in hot springs at temperatures of 70 or higher?
The enzyme would likely exhibit a high optimal temperature and increased thermal stability. Therefore, its enzyme activity curve would likely show a higher peak and be shifted towards higher temperatures compared to enzymes from organisms living in milder conditions.
Does temperature effect starch digestion?
Yes, temperature can affect starch digestion. At higher temperatures, enzymatic activity involved in starch digestion increases, leading to faster breakdown of starch molecules into simpler sugars. However, excessively high temperatures can denature enzymes, affecting their ability to break down starch effectively.
How does salt soap and ethanol extract DNA?
Salt soap helps break down cell membranes, releasing DNA from cells. Ethanol is added to DNA-containing solution to precipitate DNA out of solution, as DNA is not soluble in ethanol. The DNA can then be collected by spooling or centrifugation.
Does gasoline with ethanol gum up a carburetor?
Pure ethanol will not gum up a carburetor. However in high concentrations it will disolve or corrode anything in the fuel system that is not chemically compatible, especially at higher temperatures. Disolved contaminates will go right through a fuel filter and can gum up a carburetor as the ethanol vaporizes and they come out of solution.
Write the chemical equation representing the preparation of ethene from ethanol?
The chemical equation for the preparation of ethene from ethanol is: C2H5OH (ethanol) → C2H4 (ethene) + H2O (water). This reaction is typically carried out at high temperatures in the presence of a catalyst such as sulfuric acid.
Why ethanol has high boiling point than diethyl-ether?
Ethanol has a higher boiling point than diethyl ether because ethanol has stronger intermolecular forces due to hydrogen bonding. Hydrogen bonding creates attractions between ethanol molecules, requiring more energy to separate them compared to the weaker London dispersion forces present in diethyl ether. This results in a higher boiling point for ethanol.
What does a high absorbance indicate in spectrophotometry?
A high absorbance in spectrophotometry indicates that a substance strongly absorbs light at a specific wavelength, suggesting a high concentration of that substance in the sample being analyzed.
What does high absorbance indicate in the context of spectrophotometry?
High absorbance in the context of spectrophotometry indicates that a substance is absorbing a significant amount of light at a specific wavelength. This can suggest a high concentration of the substance being measured in the sample.
How is ethane obtained from ethanol?
according to me, ethane can't be prepared from ethanol. but you can prepare ethene from ethanol by treating ethanol with conc. H2SO4 (95%) In 440 K Temperature with release of water molecule.
What does a high absorbance indicate in a spectrophotometry analysis?
A high absorbance in a spectrophotometry analysis indicates that a substance strongly absorbs light at a specific wavelength, which can be used to determine the concentration of the substance in the sample.
Why does absorbance decrease with heat?
Absorbance can decrease with heat due to thermal denaturation of molecules, which can break down the compounds responsible for absorbing light. Additionally, high temperatures can also cause the molecules to vibrate more vigorously and shift to different energy levels, reducing their ability to absorb light at specific wavelengths.
Why will high temperatures speed up chemical reactions?
the higher the temperature the more the energy
What can mix to gasoline to make octain high and give more power to engine?
You can add ethanol to gasoline to make the octane higher.
What is energy from high temperatures?
High temperature speeds up movement in the molecules. This means with higher temperature, there is more energy
How is temperature and pressure realated?
High temperatures coincide with low pressure and low temperatures coincide with high pressure. Cold air is heavier than warm air and has a higher pressure with it.
