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How much heat is necessary to change 500 g of ice at -10C to water at 20C?
500*20+500*80+500*250+500*100+500*537+500*150*0.5=1000+4000+125000+50000+268500+37500=486000 Calories=468 K.cal.
What is the mass of water at 25 degrees Celsius if the volume of water is unknown?
The mass of water at 25 degrees Celsius, without knowing the volume, cannot be determined. Mass is dependent on both volume and density, and without the volume of water given, it is not possible to calculate its mass.
Is solid at 25 degree C and changes to a liquid when heated to 98 degrees C a physical property of sodium?
At normal pressure, yes.
What is the percent by volume of 25 ml of methanol in 75 ml of water?
With 25ml methanol and 75ml water, there is 100ml in total. So there is 25/100 = 25% by volume methanol.
What salt has the greatest solubility in water at 25 degrees celsius?
Ammonium chloride has the greatest solubility in water at 25 degrees Celsius, with a solubility of 37.2g/100mL of water.
What is 155 divided by 6.2?
25
What is the supplement of a 25 degree angle?
180-25=155 answer:155
What is 25 percent off of 155 dollars?
$155*.25=$38.75.
How many times does 25 go into 155?
155 ÷ 25 = 6 with remainder 5 or 6.2
What is 25 percent of 620?
To find 25 percent of 620, you can multiply 620 by 0.25 (which represents 25 percent as a decimal). This calculation gives you 155. Therefore, 25 percent of 620 is 155.
25 plus what equals 180?
First, let's create an equation for your problem: 25 + x =180 "X represents the unknown number in the problem." Subtract 25 from both sides of the equation: x = 155 Hope this helps!
What is the supplement of 155 degrees?
25 degrees
What is 25 over 155 as a percentage?
Expressed as a percentage, 25/155 x 100 = 16.129032258064516 recurring (that is, 16.129032258064516129032258064516...) percent.
What is the sum of the digits of the first 25 even counting numbers?
155
How many times does six go into 155?
155/6 = 25 with a remainder of 5
Express cos -155 as a function of a positive acute angle?
Cos(-155) = cos(155) = 1 - cos(180-155) = 1-cos(25).
What is 25 percent 0f 620?
25% of 620= 25% * 620= 0.25 * 620= 155
