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What is volume of O2 gas in the decomposition of 5.0 g of HgO at 550 degrees Celsius at a pressure of 3 ATM?
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∙ 13y ago
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∙ 13y ago
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Does water has a fixed volume?
No, it does not. The volume of water changes according with it's temperature. Water, unlike other substances, it has a minimum volume at 4 degrees Celsius.
Between 4 degrees Celsius and 0 degrees Celsius water particles form little what?
crystalline structures that tend to collapse when 0 degrees celsiurs in increased. The melting of these crystals further decreases the volume of the water. The water undergoes two processes at the same time- contraction and expansion. Volume tends to decrease as ice crystals collapse, while volume tends to increase due to great molecular motion
A container is filled with 4.0 x 1022 O2 molecules at 5 degrees celsius and 845 mm Hg What is the volume in mL of the container?
1,400 mL
What is unique about water as it gets colder and colder?
It's most dense at 4 degrees celsius. Get any lower and it takes up more volume. As a general rule, chemicals get denser as they get colder.
Can a 100ml sample of water and a 500ml sample of water have the same temperature and same amount of heat?
Under very specific conditions - yes, but normally no. Except in a narrow range from about 0° to about 8 °C, a sample of water can only have the same volume after being warmed by several degrees Celsius if it is confined in a fixed volume container. Liquid water is slightly compressible so if you place it inside a container where it can be compressed, you can heat it a few degrees Celsius and still have the same volume. The PRESSURE however will increase quite noticeably. If you just have the water in an open container and heat it several degrees Celsius, it will not have the same volume. Liquid water actually reaches its maximum density at about 4 °C where it has a density of 1000 kg/m3. Below that temperature, the density of liquid water decreases until it hits about 999.868 kg/m3 at 0 °C. Above 4 °C, the density also decreases. It doesn't reach the same density as 0 °C water until it has warmed to about 8.14 °C. Obviously, in that narrow range, it is possible to warm a sample of water several degrees Celsius and end with it being the same volume (but it wont have the same volume between the two temperatures).
What is the volume of a quantity of gas at 152 degrees celsius if its volume is 262ml at -35.0 degrees celsius the pressure remains constant?
468ml
What is the volume of 85.1g of acetone?
The volume (at 20 degrees celsius and a pressure of 1 atmosphere) is 107.7mL. Both changes in temperature or pressure will change the answer.
What will be new volume when 128 mL of gas at 20 degrees celsius is heated to 40 degrees celsius while pressure remains unchanged?
136.73 mL
Can water be made to boil at 90 degrees Celsius?
By decreasing the pressure with the volume kept constant.
How can water be made to boil at 90 degrees celsius?
By decreasing the pressure with the volume kept constant.
What volume is occupied by 2.0g He at 25 degrees celsius and 775 mmHg?
A fixed quantity of gas at a constant pressure exhibits a temperature of 27 degrees Celsius and occupies a volume of 10.0 L. Use Charles's law to calculate: the temperature of the gas in degrees Celsius in atmospheres if the volume is increased to 16.0 L
A sample of At gas occupies a volume of 1.2 L at 125 C and a pressure of 1.0 atm. Determine the temperature, In degrees Celsius at which the volume of the gas would be 1.0 L at the same pressure?
A sample of Ar gas occupies a volume of 1.2 L at 125°C and a pressure of 1.0 atm. Determine the temperature, in degrees Celsius, at which the volume of the gas would be 1.0 L at the same pressure.
What is the volume 1 g or water at 4 degrees celsius and a pressure at 1 ATM?
1 mL
Is lead a solid or liquid at 100 degrees?
The melting temperature of a substance is dependent upon the pressure and specific volume. The melting temperature of liquid at standard pressure of 1atm (~100kPa) is 0 degrees Celsius.
A 25 ml sample of gas in enclosed in a gas tight syringe at 22 degrees Celsius if the syringe is immersed in an ice bath at 0 degrees Celsius what is the new gas volume?
25 ml. The volume would not change. Now pressure on the other hand...
What is the volume of gas at 250 degrees Celsius as compared with the volume at 0 degrees Celsius?
P1V1/T1 = P2V2/T2Assuming only temperature and volume are changing and pressure will be kept constant:V1/T1 = V2/T2Only Kelvin can be usedV1/273 = V2/523Assume the volume at 0 ºC is 1 unit thenV2 = 1.92 units
What is the volume of the gas at 250 degrees Celsius as compared with the volume at 0 degrees Celsius?
P1V1/T1 = P2V2/T2Assuming only temperature and volume are changing and pressure will be kept constant:V1/T1 = V2/T2Only Kelvin can be usedV1/273 = V2/523Assume the volume at 0 ºC is 1 unit thenV2 = 1.92 units
