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What is the temperature of an 11.2-L sample of carbon monoxide, CO, at 744 torr if it occupies 13.3 L at 55 °C and 744 torr?
If 5.00 g Br2 and 3.00 g NH3 react according to the equation below, what is the maximum mass of ammonium bromide produced. 3 Br2(l) + 8 NH3(g) ? 6 NH4Br(s) + N2(g)
A student determined the calorimeter constant of the calorimeter. The student added 50.00 ml of cold water to 50.00 ml of heated distilled water in a Styrofoam cup the initial temperature pf the cold water was 21.00 degrees Celsius
Assuming a temperature of 500 K and expansion against 1. atm of pressure, how much work, in joules, can be done by the system if the octane is completely converted to carbon dioxide and water vapor. What will the enthalpy change be for the process
The molar heat capacity of NH3 (g) at constant pressure in J•mol-1•K-1= 29.75 + 25.1 x 10-3T - 1.55 x 105/T2, where T is the absolute temperature. What is the molar heat capacity at constant pressure at 298K and at 1000 K? What is the maximum value o..
What volume of N2O, collected over water, at a total pressure of 94kpa and 22 Celcius, can be produced from 2.6g of NH4NO3.
The latent heat of fusion for sodium is 2.6kJ/mol. How much heat is needed to melt 46g of sodium at its melting point of 98 degree Celcius?
From the examples you state, select one acid, one base, and one salt and describe specifically how and where they are used in therapeutic processes. Define a buffer and explain how a buffer works.
All useless answers. Shouldn't lose points if answers are not helpful. A 0.4863-g sample of primary standard sodium carbonate (Na2CO3, fw 105.988) was treated with 40.00-mL of a dilute perchloric acid (HClO4, fw 100.458) solution.
Identify which of the following statements about the halogenation of alkane hydrocarbons are correct. a) Halogenation of alkanes follows a chain mechanism.
A solution containing 8.3 g of a nonvolatile nondissociating substance dissolved in 119.5 g of chloroform, CHCl3, and the solution has a vapor pressure of 511 torr. The vapor pressure of pure chloroform is 526 torr. Calculate the molar mass of the..
Arrange the following gaseous substances in order of decreasing root mean square velocity at 25°C. argon, fluorine, carbon dioxide, oxygen, helium A.
The concentration of copper(II) sulfate in one brand of soluble plant fertilizer is 0.070% by weight. If a 15.0 g sample of this fertilizer is dissolved in 2.0 L of solution, what is the molar concentration of Cu^(2+)
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