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An automobile tire is inflated (while cold) to a volume of 11.8 L and a 'gauge pressure' of 36.0 psig at a temperature of 12oC. Driving on a hot day, the tire warms to 65oC and its volume expands to 12.2 L. When the tire pressure is measured again it is psig. (Note: the 'gauge pressure is the difference between the total pressure and the atmospheric pressure. Assume that the atmospheric pressure is 14.7 psi)
Compute the hydroxide ion concentration in a NH 3 solution that is 0.091 M and 0.028 M NH 4 Cl. Kb of NH 3 is 1.8 x 10 -5 .
what is the calculated value of partial pressure of o2 in acid mine water of ph 2 in which fe2+=fe3+.
Calculate the wavelength of the electromagnetic radiation required to excite an electron from the ground state to the level with n = 5 in a one-dimensional box 39.8 pm in length.
Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq) + H2 (g) When 5.00 g of a mixture of powdered magnesium and zinc were dissolved in diluted sulfuri..
What must be the atomic mass of the metal M If A sample of the compound MSO 4 weighing 0.1131 g reacts with barium chloride and yields 0.2193 g BaSO4.?
If 80 {rm J} of heat are added to a pure gold coin with a mass of 13 {rm g}, what is its temperature change? Specific heat capacity of gold is 0.128 rm J/g ^circ C.
Identify the oxidation-reduction reactions among the following.
A 345 mL container holds NH3 at a pressure of 745 torr and a temperature of 45 degrees Celsius. What is the molar concentration of ammonia in the container?
Rhombic sulfur turns into monoclinic sulfur, Calculate the transition temperature for this change at a pressure of 1 bar.
What are the masses of CO and CO2 in the tank and what are the partial pressures of each of the three gases at 24C?
how many whole drops (.05 mL/drop) of 6 M HCl are required to dissolve the calcium carbonate? b) What is the Ca concentration when this is dissolved and diluted to 100.00mL
When doing the kinetic trial, Peyton mistakenly omitted the starch solution from the kinetic trials. How will this omission change the appearance of the resultant solution (from mixing solutions A&B) from that of a correctly completed expiernment?..
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