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What is most likely the temperature on a hot summer day 30o C 60oC or 90oC?
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∙ 9y ago
30 degrees Centigrade is the most likely
Wiki User
∙ 9y ago
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What Temperature required for growth of thermophilic bacteria is?
Thermophiles can grow at 55oC or higher, optimum often between 55 and 65oC. A few thermophile can grow at 90oC or above and some have maxima above 100oC. Procaryotes that have growth optim between 80oC and about 113oC are called hyperthermophiles. They usually do not grow well below 55oC.
Why does hot water boils faster than cold water?
Hot water boils faster than cold water because it is closer in temperature to the boiling point. The boiling point of water is 100oC. If we had hot water at 90oC and cold water at 20oC, then the hot one would reach the boiling point of 100oC faster, since it only has 10oC more to go adn less heat needs to be added.ummm... hot water and hot water boil at the same rate...
Why does cold water boils faster than hot water?
Hot water boils faster than cold water because it is closer in temperature to the boiling point. The boiling point of water is 100oC. If we had hot water at 90oC and cold water at 20oC, then the hot one would reach the boiling point of 100oC faster, since it only has 10oC more to go adn less heat needs to be added.ummm... hot water and hot water boil at the same rate...
Definition of boiling point of water?
When a liquid is heated, it eventually reaches a temperature at which the vapor pressure is large enough that bubbles form inside the body of the liquid. This temperature is called the boiling point. Once the liquid starts to boil, the temperature remains constant until all of the liquid has been converted to a gas.The normal boiling point of water is 100oC. But if you try to cook an egg in boiling water while camping in the Rocky Mountains at an elevation of 10,000 feet, you will find that it takes longer for the egg to cook because water boils at only 90oC at this elevation.Boiling point means that the liquid is at the point where it will begin to boil.
Can the water in your eyes freeze in antarctica?
Yes. Given the extremely low temperatures in Antarctica coupled with the constant wind, the wind chill factor can be -75F to -125F below zero. It's prudent to wear protective covers over your face and wear glacier glasses when outdoors, in order to prevent freezing the liquid in your eyeballs. And in very extreme cold weather, never stay outdoors for long stretches.
How do you determine the D values of Bacillus cereus at 75oC 80oC and 90oC?
There are several methods for discussion read - I. Leguerinel, , I. Spegagne, O. Couvert, S. Gaillard and P. Mafart (2004) "Validation of an overall model describing the effect of three environmental factors on the apparent D-value of Bacillus cereus spores"International Journal of Food Microbiology Volume 100, Issues 1-3, 15 April 2005, Pages 223-229
Why does milk melt faster than water?
The milk doesn't melt but it can boil. The boiling point of milk is lower that of water and so the boiling point of water is 100 degrees Celsius from that, you can say that if the milk has a lower boiling point it will definitely now boil in short period of time compared to the water.
What metal best conducts electricity?
The best conductors of electricity are superconductors; these offer zero resistance. Many materials will superconduct when sufficiently cooled - most superconductors need to be cooled to within a few degrees of absolute zero, metals including tin and aluminum will superconduct. Somewhat ironically, gold will not superconduct - gold is a very good conductor at room temperatures. In 1986, some ceramic based materials were found to superconduct at high temperatures - still around -90oC, so not all that high - but making the effect much more useful as liquid nitrogen can be used to cool the materials. The simple answer to the best METAL conductor. Silver.
How long does 400 g sugar dissolves in 200 ml water?
According to the Wikipedia article on sucrose, the solubility of sucrose in water is 2000g/L at 25 degrees Celsius. Because the density of pure water is 1g/mL, 200 grams of pure water would be 200mL of water, which in turn is 0.200L of water. 2000g/L sucrose x 0.200L water = 400g of sucrose So, at 25 degrees Celsius, 400g of sucrose can dissolve in 200g of water.
Why do oceans lakes are rivers not dry up?
Well, some lakes and rivers do dry up. For example, much of the deep bore water in Australia last fell as rain thousands or millions of years ago. The Great Artesian Basin underlies about one fourth of Australia, and is being mined faster than it is being replaced! Up to 2 million years old! At Birdsville, the water temp is over 90oC, and is used as a source of geothermal energy. The Caspian Sea has dried significantly, due to extraction of water for irrigation. A major ecological catastrophe.
I Have A White Shirt That Turned Pink from a stray red sock in the wash. I Steeped The shirt in bleach now its purple. The shirt Is 96per cent cotton 4per cent elastane HELP?
Try "oxy clean""Dazz!" - Extra White!, x Or StaleBread&Vinegar blended and wash the shirt in it, That Might Help It Return White.UK - x 5 White Lewins cotten shirts, x 6 CK boxers and various other items all turned pink after stray red tea towel washed on 90oC and then tumble dried for 3 hours.. didn't look good. but rushed to tesco and bought 2 products that have worked brilliantly. Soak twice in Dr beckmann 'Colour run remover' then wash on 40oC with x2 sachets of Dylon 'ultra whitener & oxi stain removal' made everything brilliantly white again - no trace of colour runs!!!
