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how much heat does your body lose when 2.95g of sweat evaporates from your skin at 25 degrees Cecilius
Determine at what minimum angle relative to the centerline perpendicular to the doorway can someone outside the room hear no sound?
A student has invented a new temperature scale, the Zuban scale ,In common with the Celsius, Kelvin and Fahrenheit scales, it is a linear scale.
In a solution of acetone and ethanol, the mole fraction of acetone is 0.40. What is the concentration of acetone as a mass percent?
What proportion of 3-phosphoglycerate will carry 14C after five enzymatic turnovers (five equivalents of CO2 are fixed) if purified active
An Ice cube tray holds 325 grams of water. If the water initially has a temperature of 25 C, how many kilojoules of heat must be removed to cool and freeze the water 0 C?
Calculate the volume of N2 produced at 21 degrees C and 823 mmHg if 60.0 g of sodium azide reacted
Determine how much energy will be required to heat 69.7 gal of H 2 O from 22 degree Celsius to 110 degree Celsius if it is given that 1.00 gal weighs 3.77 kg and water has a specific heat capacity =4.184 J/g C
Calculate the mass of urea that should be dissolved in 225 g of water at 35°C to produce a solution with a vapor pressure of 37.1 mmHg.
The vapor pressures of pure benzene and pure toluene at 25 C are 94.2 torr and 28.4 torr, respectively. Assuming ideal behavior
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams.
A sample of 0.2140 g of an unknown monoprotic acid was dissolved in 35.0 mL of water and titrated with 0.0950 M NaOH. The acid required 27.4 mL of base to reach the equivalence point.
Calculate the mass of propylene glycol that must be added to 0.330 of water to reduce the vapor pressure by 2.88 torr at 40°C (Pressure of H2O is 55.3 torr at 40°C ).
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