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Q: The SI unit for temperature is
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Q: How much heat is given off by 25 g of aluminum as it cools from 100 ◦C to 20 ◦C?
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A: Initial volume (V) = 119.9 cm3Initial pressure (P) = 238 kPa Initial temperature (T) = 595 k Final…
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A: 1 small division=2°F The temperature shown here is 5 divisions after 40°F, So the temperature…
Q: What is the SI unit of temperature?
A: SI Unit of temperature is
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A: value of absolute zero = -273 o C
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A: GIVEN: Tem. at 8:05A.M. = 970F Temperature at 12:05P.M. =103.40F
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Q: What is the standard unit of temperature in the SI? (Do not abbreviate; for example gram not g.)
A: Kelvin is the standard unit of temperature in the SI.
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Why is it important to collect more than one set of data for each temperature? Why compute an average?
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- Pertaining to Lab 3 Q1 a and b, calculate how much radiation is emitted by the Sun and the Earth (assuming the Sun's average surface temperature is 6000K and the Earth's average temperature is 300K). Please put the entire number that you get as your answer and do not write it in scientific notation.A patient has an illness that typically lasts about 24 hours. The temperature, T, in degrees Fahrenheit, of the patient t hours after the illness begins is given by: T(t) = -0.012t² +0.3t +98.7. Use your calculator to graph the function and answer the following questions. Round all answers to 1 decimal place. When does the patient's temperature reach it maximum value? Answer: After hours What is the patient's maximum temperature during the illness? Answer:Using the tables for Densities of Inorganic and Organic Liquids (mol/dm3) of Perrys' Chemical Handbook. What is the density of water, in kg/m3, at 308.3 K? Recall that there are two available equations for the density of water different from the equation used for all other compounds in the table; use the equation with a smaller range (the simpler equation, in terms of T).
- A metal ball, which has a surface area of 175 cm2, is heated in a furnace to 678 oC. a)State the value of temperature in the correct SI units. State your answer as a whole number (and use this value as a whole number, if needed in subsequent calculations). b)State the area in correct SI units. Give your answer in Scientific notation using E for x10x., e.g. you would enter 3.21x106 as 3.21E6. Make sure you have 3 significant figures in the first part of the answer and use this value to this degree of accuracy, if needed in subsequent calculations.Note that Numbas will mark equivalent answers as correct e.g. if 3.21E6 was the correct answer then 32.1E5 or 321E4 etc. would also be marked correct. c)If the emissivity of the metal ball is 0.7, at what rate does it radiate energy? (Stefan Boltzmann constant, s= 5.67 x 10-8 W m-2 K-4) State your answer (in Watts) to the nearest whole number. d)What is the peak wavelength of the radiation emitted by the metal ball? Give your answer (in µm) to…A physical chemist measures the temperature inside a vacuum chamber. Here is the result. T=-75.3 degrees celsius Convert to SI units. Round your answer to decimal place.The temperature of the fluid is measured with a Fahrenheit thermometer as well as a Kelvin thermometer. If the numerical reading is the same for both thermometers, what is the temperature of the fluid in °R?
- According to the Ideal Gas Law, PV = kT, where P is pressure, Vis volume, T is temperature (in Kelvins), and k is a constant of proportionality. A tank contains 2000 cubic inches of nitrogen at a pressure of 26 pounds per square inch and a temperature of 600 K. Determine the EXACT value of k.Q1. a) Choose which quantity/unit is fundamental, or derived quantity/unit by ticking (√ ). Sl No Quantity Fundamental Quantity Derived Quantity Fundamental Unit Derived Unit Example m/s √ 1 volume 2 J/kg 3 viscosity 4 N/m 5 Surface tension 6 Angular velocity 7 s-2 8 Heat flux density 9 V/m 10 Thermal conductivityAn object was left in a room of unknown surrounding temperature. The temperature of the object was summarized below with respect to the time t (in minutes) the object was initially observed. Predict and complete the information, i.e. determine the temperature in Celsius when t = 30 minutes. (Answer in four decimal places.) When t = 0, the temperature of the object is 30 degrees Celsius. When t = 10 minutes, the temperature of the object is 32 degrees Celsius. When t = 20 minutes, the temperature of the object is 33.6 degrees Celsius. When t = 30 minutes, the temperature of the object is unknown. Assume the system obeys Newton’s Law of Cooling and the surrounding temperature of the room did not change.
- The SI unit for temperature isThe volume of an automobile tire is 2.5x10^-2m^3. The pressure of the air in the tire is 3.3 atm and the temperature is 25C°. What is the mass of air in grams? The mean molecular mass of air is 29g. Calculate to 2 decimals.According to the Delaware River Port Authority, the total length of the Walt Whitman Bridge is nominally 11,982 feet. Assuming that the bridge was made entirely of steel, by how many meters does the bridge’s length change as its temperature rises from a winter temperature of 5°F to a summer temperature of 105 °F? Length change = _________meters. Be sure to first convert all lengths and temperatures to S.I. units