How much of the ice will melt
Suppose you are given 1 kg of ice at 0°C. If the ice is placed in an insulated container holding 1 kg of water initially at 20°C, how much of the ice will melt?
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A metal sphere weighing 18.48g is added to 20.00mL of water in a graduated cylinder. If the density of the metal is 4.50g/mL, what will be the new level of water in the graduated cylinder?
Naturally occurring iodine has an atomic mass of 126.9045. A sample of 12.3849g gets contaminated with 1.00070g of a synthetic iodine with a mass of 128.9050. Find the apparent "atomic mass of the contaminated iodine".
A proton accelerates from rest in a uniform electric field of 620 N/C. At some later time, its speed is 1.4e6 m/s. (a) Find the magnitude of the acceleration of the proton.
(a) What is the electric potential at the origin? (b) What is the electric potential at the point on the z axis at z = a?
Assume the probability that a newborn is a boy is 51 %, that is, p = 0:51. Suppose a family has 8 children. (a) What is the distribution law followed by the number of boys in such a family? (b) Denote F the cumulative distribution function of this
In the sport of curling, large disks of granite are pushed on ice. When you push a curling stone with a force of 80N, it accelerates at 4 m/s^2. What is the mass of the curling stone? (assume there is no friction with the ice and ther is no air re
Suppose that 500 g of water vapor condense to make a cloud about the size of an average room. If we assume that the latent heat released is 2.5X106 J kg-1, how much heat would be released to the air?
A flat surface having an area of 3.4 m^2 is rotated in a uniform electric field of magnitude E = 6.1e5 N/C.
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