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The vapor pressure of dichloromethane at 0 degrees Celsius is 134 mmHg The normal boiling point of dichloromethane is 40 degrees Celsius. Calculate the molar heat of vaporization?
To calculate the molar heat of vaporization, we can use the Clausius-Clapeyron equation: ΔHvap = -R * T * ln(P2/P1) Where: ΔHvap = molar heat of vaporization R = gas constant (8.314 J/mol*K) T = temperature difference in Kelvin (40°C + 273 - 0°C = 313 K) P1 = vapor pressure at lower temperature (134 mmHg) P2 = vapor pressure at higher temperature (760 mmHg, since boiling point is at atmospheric pressure) Plugging in the values, we have: ΔHvap = -8.314 * 313 * ln(760/134) = -8.314 * 313 * ln(5.67) ≈ -37.4 kJ/mol Therefore, the molar heat of vaporization of dichloromethane is approximately 37.4 kJ/mol.
Where is the Sun Prairie Historical Society Inc in Sun Prairie Wisconsin located?
The address of the Sun Prairie Historical Society Inc is: Po Box 313, Sun Prairie, WI 53590
Calculate the specific heat of a substance if 44.0 g of the sample absorbs 67.2 J and the temperature change is 11 K?
The specific heat can be calculated using the formula: ( q = mc\Delta T ), where ( q ) is the heat absorbed, ( m ) is the mass, ( c ) is the specific heat, and ( \Delta T ) is the temperature change. Plugging in the values: ( 67.2 = (44.0) \times c \times 11 ), solving for ( c ) gives a specific heat of approximately 0.138 J/g∙K.
What is the boiling point for carbon monoxide?
The boiling point of carbon dioxide is -57 °C (or 216.6 K, or -70 °F), but this will only take place at pressures in excess of 5.1 atmospheres. It turns out that CO2 doesn't like to hang around in liquid form unless it is under a good deal of pressure. It will sublime (change directly from a gas into a solid) at anything above −78 °C, and deposit directly as a solid from the gas at anything below −78 °C. In environments without elevated pressure, it changes state from solid to gas and gas to solid (depending on temperature) directly without going through a liquid phase.Added:At 1.0 bar, normal pressure, it sublimes (solid-gas phase change) at -78 °C, 194.7 K without passing through its liquid phase.At 5.185 bar the boiling point (from liquid) is -57 °C, 216.6 K.
What does the two letters UB mean in 2003 UB 313?
The first letter shows when the object in space was discovered. The "U" shows the period October 16-31. The second letter shows what order the object was found in the amount of time the first letter represented. A= first, B= 2, C= third, and so on. Basically, Eris (Planet 2003 UB313) was found between October 16-21, and was the second object discovered in that period of time. (See http://www.nasa.gov/audience/forstudents/5-8/features/F_Tenth_Planet.html for more info)
If someones temperature is 104 degrees Fahrenheit what is his temperature in Kelvin?
313 Kelvin.
The vapor pressure of dichloromethane at 0 degrees Celsius is 134 mmHg The normal boiling point of dichloromethane is 40 degrees Celsius. Calculate the molar heat of vaporization?
To calculate the molar heat of vaporization, we can use the Clausius-Clapeyron equation: ΔHvap = -R * T * ln(P2/P1) Where: ΔHvap = molar heat of vaporization R = gas constant (8.314 J/mol*K) T = temperature difference in Kelvin (40°C + 273 - 0°C = 313 K) P1 = vapor pressure at lower temperature (134 mmHg) P2 = vapor pressure at higher temperature (760 mmHg, since boiling point is at atmospheric pressure) Plugging in the values, we have: ΔHvap = -8.314 * 313 * ln(760/134) = -8.314 * 313 * ln(5.67) ≈ -37.4 kJ/mol Therefore, the molar heat of vaporization of dichloromethane is approximately 37.4 kJ/mol.
How much the pressure inside CO2 extinguisher will be if the cylinder exposed to direct sunlight 50C degree?
If V1 = V2 => p1 / T1 = p2 / T2 <=> p2 = p1 * T2 / T1 Let's assume that T1 = 20 C Degree = 313 K => p2 = p1 * 343/313 => p2 = 1.10 p1 which means 10% higher pressure.
At what temperature does steam turn to water?
At normal pressure steam changes to liquid water at 212 degree F.
Is 40c lower than 313K?
0oC is equal to 273K, and the magnitude of the individual degrees is the same, for the Celsius scale is used to define K. So 40oC is (40+273)K. = 313K. [And for the pedant, the triple point of water is 273.16K. But that makes no difference to the above.]
What goes into 313?
1 and 313 (313 is a prime number).
What is the square root of 313 in radical form?
313 is a prime so radical 313 cannot be simplified.
What is 313 times 313?
97969
What does 334 minus 313 equal?
It is: 334 -313 = 21
What does x x 313 equal?
x x 313 = (x)(313) = 313x
What is the temperature of 25.0 g of chlorine gas with a volume of 6.0 Liters and a pressure of 1.5 ATM?
Moles Cl2 = 25g x 1mol/71g 0.35 molesPV =nRT and T = PV/nR T = (1.5)(6)/(0.35)(.0821) T = 313 deg K = 40.2 deg C to 3 sig figs
What is 39751 divided by 313?
127
