Chemistry, 27.01.2022 14:00 sophiaa23

PLEASE HELP ITS DUE TODAY! If you have carbon dioxide at 1.0 atm and 25°C, could you make it a liquid by cooling it down? How could you make it a liquid at 25°C? If you increase the pressure of carbon dioxide that is at body temperature (37°C) will it ever liquify?

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'Based on the heating curve for water, does it take more energy to melt._ mole of water or mole of water? Does it take more energy to warm the solid, the liquid, or the gas to boil by 10 %C? Explain your answers clearly: Sketch the phase diagram for carbon dioxide (sketch the diagram, do not copylpaste from the PowerPoint). If you have carbon dioxide at 1.0 atm and 25 *C, could you make it a liquid by cooling it down? How could you make it a liquid at 25 *C? If you increase the pressure of carbon dioxide that is at body temperature (37 "C), will it ever liquefy? Explain why 1-propanol (CH;CHzCHzOH) is miscible in both water (HzO) and hexane (CoH14) when hexane and water are barely soluble in each other. An aqueous solution of hydrochloric acid contains 36% HCI by mass. (a) Calculate the mole fraction of HCI in the solution: (b) Calculate the molality of HCI in the solution:'

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Answer from: Quest

answer; economic order quantity;

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a mercury barometer is a device that uses the physical properties of mercury in a tube to measure barometric pressure. mercury barometers are used for : -

1. measurement of atmospheric pressure

2. determining the altitude of a place

3. weather forecasting

4. calibration and checking of aneroid barometers

5. application in fluid mechanics

6. measurement of pressure in aircrafts

7. surface weather analysis

8. preparation of barographs

9. usage in physical sciences like physics, astronomy & chemistry

10. preparation of aircraft altimeters

characteristics of mercury barometer : -

1.used to define and measure atmospheric pressure.

2.on the average at sea level the column of mercury rises to a height of about 760 mm.

3.this quantity is equal to 1 atmosphere.

4.it is also known as standard atmospheric pressure.

5.a barometer in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column, the height of the column varying with atmospheric pressure.

Write 15 uses of a mercury barometer along with its characterestics

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PLEASE HELP ITS DUE TODAY! If you have carbon dioxide at 1.0 atm and 25°C, could you make it a liq...