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Why is the water potential of distilled water higher than the water potential of the cytoplasm of the cell?
distilled contain no solute. so, its water potential is constantly 0. plant cell carry out photosynthesis continuously to produce sugar. thus, cytoplasm of plant cell always contain solute that lower the water potential of cytoplasm.
At what temperature will a pond of water freeze?
A pond of water will freeze at or below 0 degrees Celsius (32 degrees Fahrenheit).
What is the freezing point for bottled water?
The freezing point for bottled water is approximately 0 degrees Celsius (32 degrees Fahrenheit). However, factors such as impurities or mineral content in the water can slightly alter this temperature.
What is the probability that an egg cell from a female with genotype RR will contain the recessive allele?
Zero. If it's RR that means it only contains the dominant allele
Which has a higher water potential red blood cells or water?
Distilled water would have a higher water potential than a red blood cell because the formula for obtaining water potential is -iCRT, where i=ionization constant, C=molar concentration, R=pressure constant--usually 0.0831 liter bars/mole K, and T=temperature in Kelvins. Since distilled has a molar concentration of 0, the water potential would be 0. And a red blood cell would have a negative water potential because it does have some sort of molar concentration. Thus, distilled water would have a higher water potential because 0 is greater than a negative number. As a note, water always flows from areas of higher water potential to areas of lower water potential. Therefore, it is easy to imagine that water flows toward more concentrated solutions, meaning it would flow to the red blood cell. If distilled water flows to the red blood cell, then it must have a higher water potential than the red blood cell.
How much water vapor does 1 cm3 contain at 0 C?
At 0°C, 1 cm³ of water vapor would contain approximately 4.8 mg of water.
Which method is better for keeping drinks cold in a picnic cooler water at 0 degree celsius or ice at 0 degree celsius why?
3
How many calories does 1 liter of cool water contain?
0 calories
Is water freezing at 0 degrees a physical change?
Yes, water freezing at 0 degrees is a physical change. It involves a change in state from liquid to solid without altering the chemical composition of water.
Is it physical or chemical when water freezes at 0 degree celsius?
When liquid water freezes to form ice, the chemical composition of water does not change. It will be H2O whether it is in liquid state or solid state. So it is a physical change and not a chemical change.
Why water is considered as a pure substance?
Water is considered a pure substance because it is a compound made up of one type of molecule, H2O. It has a fixed chemical composition and consistent properties throughout. It does not contain any impurities or other substances mixed within it.
What percentage of Uranus is water?
It is believed that Uranus does not contain a significant amount of water in its atmosphere or in its composition, unlike other gas giant planets like Neptune. Therefore, the percentage of water on Uranus is likely very low.
K-cal in one gram?
The answer will It depends on 1 gram of what. 1 gram of pure water will contain 0 K-cal.
Does demineralized water freeze?
Yes, it is just that water with any impurities freezes or boils faster depending on the concentration and composition.
Do people drink soft drinks at 0 degrees Celsius?
Yes
What is congruent in phase transformation?
Congruent phase transformation occurs when a material undergoes a phase change without any change in composition. This means that the initial and final phases have the same chemical composition. An example is the transformation of ice into water at 0°C.
Which is better for keeping food and drinks cool in a picnic cooler. water at 0 degrees or ice at 0 degrees?
Ice at 0 degrees is generally better for keeping food and drinks cool in a picnic cooler than water at the same temperature. Ice has a lower density and can absorb more heat as it melts, maintaining a cooler temperature for a longer period. Additionally, ice can create a colder environment within the cooler, helping to keep perishables at a safe temperature. However, using ice packs or frozen water bottles can also provide effective cooling without the mess of melting ice.
