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A cylinder of gas is at room temperature (20°C). The air conditioner breaks down, and the temperature rises to 40°C. What is the new pressure of the gas relative to its initial pressure?
If replacing magnesium with an equal weight of sodium, how would the enthalpy of the reaction changed?
Using the quantities given in the Procedure, calculate the theoretical yields for the mononitration of (a) acetanilide and (b) methyl benzoate. Acetanilide = quantity is .5 g and molar mass 135.17 g/mol. methyl benzoate= quantity is .55g. and mola..
if a temperature increase from 12.0 to 22.0 doubles the rate constant for a reaction what is the value of the
the molar heat of fusion of benzene is 9.92 kjmol. its molar heat of vaporization is 30.7 kjmol.calculate the heat
If I put a methanol solution of m-THPC into a 10.0 mm pathlength cuvet, and observe an absorbance of 0.132 (no units) at 652 nm, what is the concentration of the solution? (Assume there are no other solutes present in the methanlo.
The mass of an Argon atom is more than that of a Helium atom. Does that mean that because of Argon has larger mass, it exerts a higher pressure on the walls of container than Helium at the same volume, molar density and temperature? Give explanati..
A buffer solution is.290M in a weak base through kB of 2.8*10-5 and .490M in the conjugate acid, what is the pH
A closed tank contains chlorine gas (Cl_2). The pressure in the tank is 0.0.3 atm and the gas is considered to be immediately dangerous to life or health (IDLH) in concentrations of 10 mg/L or more. Is it safe to go in the tank? Assume temperature..
how many grams of cacl2 should be dissolved in 500 ml of water to make a .20 m solution of calcium
Two gas tanks are linked by a connecting tube of negligible volume with a valve. One contains 15 L of nitrogen at 7.2 atm of pressure. The other contains 8.3 L of helium at 4.1 atm of pressure.
A saturated solution contains 167 g AgClO4 in 30.0 mL of water at 25°C. What is the solubility in g solute/(100g of H2O). Calculate the mole fraction of solute at this temperature.
A gaseous reaction occurs at a constant pressure of 50.0atm atm and releases 74.8kJ kJ of heat. Before the reaction, the volume of the system
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