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This table has the solubilities of many substances ranging from 0C to 100C:

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Suppose you want to heat 40g of water by 20c how many joules of heat are required?

334.8 Joules


What happens to a glass of water at a temperature of 20C when it is placed into a freezer set at 10C?

The temperature of the glass become also 10 0C.


How many kcal are require to raise 100 grams of water 20 c?

Short answer: 2kcalTo be preceise, it depends on the temperature of the water, because the heat capacity of a substance changes with temperature. But in a practical sense, that doesn't matter, because the change is usually very small.If we know the definition of a calorie, it's actually quite easy to calculate this. 1 calorie is the amount of energy required to increase the temperature of 1g of water by 1C. What we need to do is just play with the definition so that it fits with our numbers. So to raise 100g of water with 20C, we need 1cal*C-1*g-1*100g*20C = 2000 cal = 2 kcal (1 kcal = 1 kilocalorie = 1000 cal)


Is aniline soluble in ether?

Aniline (phenylamine) is only slightly soluble in water (3.6g/mL @ 20C). This is a volatile amine. It would be similar to trying to mix benzene with water, or any other typical household solvent/degreaser with water. You would see a separation of the liquids into layers.


A thimbleful of water at 100c has a highrer temperature than a swimming pool full of water at 20c but the pool has more thermal energy than the timble explain?

To raise the temperature of water in a thimble of water from 0 to 100 requires a small amount of thermal energy. To do the same with a swimming pool would require putting a huge amount of thermal energy into the water comparatively speaking.

Related Questions

Will Rubidium chloride dissolve in water?

Yes. It has a solubility of about 91g/100mL of water at 20C.


I you wish to warm 100 kg of water by 20 degrees C for your bath show that the amount of heat is 2000 Calories?

100kg of water by 20c for your bath, show that 8370 kJ


What is the density of water at 20 degress celsius?

0.9982071 g/mL @20C


Which is colder -20C or -20F?

-20F is colder than -20C. This is because the Fahrenheit scale has a smaller degree interval than the Celsius scale, so -20F is a lower temperature than -20C.


Is LiOH soluble or insoluble?

Yes, salts with alkali metals and bromide are soluble.


What is between 20c and -15?

35


Suppose you want to heat 40g of water by 20c how many joules of heat are required?

334.8 Joules


If two unidentified solids of the same texture and color have different solubilities in 100g of water at 20C you could conclude that they are what substances?

The two unidentified solids are likely different substances because they have different solubilities in water at the same temperature. Solubility is a characteristic property of a substance that depends on its chemical composition. If two substances have different solubilities, they are likely made up of different molecules or ions.


What the range temperatures of Earth's surface?

From -20C to 50 C From -20C to 50 C


Which has the greater density water at 40 degrees Celsius or water at -20 degrees Celsius?

0.9922187 g/mL @40C0.9194000 g/mL @-20C


What is the Value of 1965 South Africa 20c coins?

Value of old 1965 20c english


What is on the reverse side of the 20c coin?

Queen Elizabeth 11 picture is on the back of the 20c coin.