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Q: Express a body temperature 98.6°F in Celsius degrees. A) 72.6°C B) 37.0°C C) 45.5°C D) 66.6°C
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Q: For each of the following temperatures, find the equivalent temperature on the indicated scale. (a)…
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Q: A 1,000 L container holds 50 kg of argon gas at 27°C. The molar mass of argon is M =40 kg/kmol. What…
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- A 4.00-m-long cylinder of solid aluminum has a radius of 2.00 cm. 1)If the cylinder is initially at a temperature of 5.00∘C, how much will the length change when the temperature rises to 30.0°C? (Express your answer to three significant figures.) 2)Due to the temperature increase, by how much (in %) would the density of the aluminum cylinder decrease? (Express your answer to three significant figures.) 3)By what percentage does the volume of the cylinder increase? (Express your answer to three significant figures.)An extraterrestrial scientist invents a temperature scale suchthat water freezes at -75°E and boils at 325°E, where E standsfor an extraterrestrial scale. (A)Find an equation that relatestemperature in °E to temperature in °C and (B) What will beits temperature reading for absolute zero?Pressure cookers increase cooking speed by raising the boiling temperature of water above its value at atmospheric pressure. (a) What pressure, in pascals, is necessary to raise the boiling point to 125°C? You can use the table above and assume that the vapor pressure depends linearly on the temperature between the existing data points. (b) What gauge pressure, in atmospheres, does this correspond to?
- Let’s assume dry air behaves like an ideal gas and has a molar mass of 28.8 g/mol.a) What is the approximate density of dry air at sea level when the air temperature is 32°C? Hint: How is the unit of standard atmosphere (symbol atm) defined?b) Briefly show and/or explain why this assumption for the molar mass of dry air is reasonable.c) Briefly show and/or explain how the density of air would change with increasing humidity.isnt room temperature 300k? for part cCalculating the Number of Molecules in a Cubic Meter of GasHow many molecules are in a typical object, such as gas in a tire or water in a glass? This calculation can give us an idea of how large N typically is. Let’s calculate the number of molecules in the air that a typical healthyyoung adult inhales in one breath, with a volume of 500 mL, at standard temperature and pressure (STP), which is defined as 0 ºC and atmospheric pressure. (Our young adult is apparently outside in winter.)StrategyBecause pressure, volume, and temperature are all specified, we can use the ideal gas law, pV = NkB T, to find N
- You are looking at a thermometer that has a mark for each degree. You are going to write down a number corresponding to the temperature. How will you decide how many significant figures to use in the number? (i.e. Will you report the temperature to the ones place, tenths, hundredths, other?)Lead has a density of 11.3 103 kg/m3 at 0C. (a) What is the density of lead at 90C? (b) Based on your answer to part (a), now consider a situation in which you plan to invest in a gold bar. Would you be better off buying it on a warm day? Explain.(a)Suppose a meter stick made of steel and one made of invar (an alloy of iron and nickel) are the same length at 0°C. What is their difference in length in millimeters at 59.0°C? mm (b)Repeat the calculation for two 35.0 m long surveyor's tapes. mm
- police went to the scene of a crime at 23:35. they took and record body temp which is 91°F and inspect the area. they finished inspection at 1:05 at at that time temperature of corpse is 87°F and sent it to the morgue. temp at the scene remains to be 80°F. normal body temp is 98.6°F a. how long after the victim's death does it takes the officers to arrive at the scene? b. what time did the murder happen?No need for explanation just find A) what volume must the gas be compressed to increase its pressure to 150kpa B) at what volume will the gas have 280K? I’ll rate, please ASAP.A home's water heater heats up 3 kilograms of water by 9 degrees Celsius. If the specific heat of water is 4000 Joule/kg/°C, how much energy (in Joule) does it take to heat the water? Use exact numbers; do not estimate.