If a 20°C glass of water is placed in the refrigerator, it will gradually cool down to match the refrigerator's temperature, typically around 1-4°C. This process occurs as heat is transferred from the warmer water to the cooler air inside the fridge. Depending on the refrigerator's efficiency and the initial amount of water, this cooling process may take anywhere from several minutes to a couple of hours. Eventually, the water will reach thermal equilibrium with its surroundings in the refrigerator.
The temperature of the glass become also 10 0C.
334.8 Joules
32 g This table has the solubilities of many substances ranging from 0C to 100C:
it is the wt in grams of 1 ml v of liquid , in air , at 20C (bp)
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)
The temperature of the glass become also 10 0C.
-- One is warmer and one is cooler. -- One contains more thermal energy than the other. -- One is slightly heavier than the other, on account of the varying density of water with temperature.
Difference in volume = (initial volume) (coefficient of volume expansion of water) (difference in temperature) coefficient of volume expansion of water=0.0002ml/degree celsius (not sure about the value. Better get help from a teacher.)
0.9982071 g/mL @20C
-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.
334.8 Joules
35
From -20C to 50 C From -20C to 50 C
0.9922187 g/mL @40C0.9194000 g/mL @-20C
Value of old 1965 20c english
Queen Elizabeth 11 picture is on the back of the 20c coin.
The LCM is 60c.