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A compressed gas cylinder, initially at 13.7 MPa and 23°C is in a room where fire causes the temperature to reach 450.°C. What is the new pressure (in atm) in this cylinder?
When 0.100g of graphite is burned completely in a bomb calorimeter(heat capacity =3.344kJ/?C), containing 3000 g of water, a temperature rise of 0.21?C is observed.
How many moles of gas (air) were in the container originally. c)How many moles of gas are in the container after the explosion. d)What is the pressure (in atmospheres) inside the container after the explosion according to the ideal gas law.
The normal freezing point of water H2O is 0.00 oC and its Kf value is 1.86 oC/m. Assuming complete dissociation of the electrolyte,
A sample of fluorine gas occupies 855 mL at 710 mm Hg and 1550C. What is the mass of the sample?
Neutron stars are believed to be composed of solid nuclear matter, primarily neutrons.If the radius of a neutron is 1.0 × 10-13 cm, calculate the density of a neutron in g/cm3. (volume of a sphere = ) Assuming that a neutron star has the same dens..
If 3.55 g of CuSO4 are dissolved in 925 mL of 0.30 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium Kf, Cu(NH3)42+= 1.1 x 1013 . Assume that most of the Cu2+ is converted to the complex since K is a very large number.
Br2 and ICl have similar molecular weights which compund has a higher boiling point specifically
excess permanganate remains after the reaction period, a small amount of ethanol
A fishing boat accidentally spills 6.0 barrels of diesel oil into the ocean. Each barrel contains 42 gallons. If the oil film on the ocean is 2.5 × 102 nm thick, how many square meters will the oil slick cover?
unknown molecular (nonelectrolyte) compound in 102.0 g of water was found to have a freezing point of -1.8 degrees C. Calculate the molar mass of the unknown compound.
We are asked to write the balanced equation when glucose is reacted with ammonium chloride + epichlorohydrin + isopropyl alcohol. What is the ultimate end product? Hopefully it is supposed to be some form of a quaternary ammonium radical attached to ..
What is the value of Delta G when [H+]= 1.6×10?8 ,[CH3NH3] = 5.0×10?4 , and [CH3NH2] = 0.110 delta Go=19.1
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