Topic: LATENT HEAT OF FUSION OF ICE Question: Why must you wipe dry ice before putting them into the warm water? What effect on the experimental value will the use of wet or moist ice have?
Q: n s(t)=-4t³ +12t² +72t , .3
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Topic: LATENT HEAT OF FUSION OF ICE
Question: Why must you wipe dry ice before putting them into the warm water? What effect on the experimental value will the use of wet or moist ice have?
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- How will you relate a heat of fusion experiment to the understanding of the physical world?In the table below for E106, what is the experimental value of the specific heat of the metal specimen?How many particles are present in a closed container if the energy it contains is 97940.99J, and the diatomic oxygen gas is moving at a velocity of 58.55m/s? Use only the whole number for the value of atomic mass unit. Express your answer in proper scientific notation. Show illustration and use 5.313x10^-23kg for the mass
- tlassan wants to identify the material in the physics lab. In the lab there are many sample materials, as montioned in table below, and he chose one matorial of Arca 8 cm2 and 3 cm thick, Ho heats up that matorial from 295 K to 305 K. If rate of heat flow is 58.6 watt (J/s), then find out, through calculation, which material he has chosen. i) In the above tablo, which matorial will take minimun time to transfer, 300 Jof enorgy?What would be the latent heat of fusion per gram of water for this problem?How much bromine is boiled away if it is heated by a 45 watt heater for 22 minutes? The specific latent heat ofvaporization is 193 000 J kg–1.
- How many particles are present in a closed container if the energy it contains is 95204.74J, and the diatomic oxygen gas is moving at a velocity of 21.45m/s? Use only the whole number for the value of atomic mass unit. Express your answer in proper scientific notation.What is the advantage of using small sample mass during thermal experiment?How many particles are present in a closed container if the energy it contains is 95859.14 J, and the diatomic oxygen gas is moving at a velocity of 67.56 m/s? Use only the whole number for the value of atomic mass unit. Express your answer in proper scientific notation.
- Some solar energy devices used in homes circulate air over a bed of rocks that absorb thermal energy from the sun. If a house uses a solar heating system that contains 2500 kg of sandstone rocks, what amount of energy is stored if the temperature of the rocks increases from 20.0 °C to 34.5 °C during the day? Answer: 2.7×104 kJ SHOW THE SOLUTIONExplain the term temperature deviation?Milk is pasteurized if it is heated to63∘C for 30 minutes, but if it is heated to 74∘C it only needs 15seconds for the same result. Find the activation energy of this sterilization process using the collision theory