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A sample of gas occupies a volume of 459 mL at 0.736 atm and 29 degrees Celsius. Calculate the volume of the gas if its pressure is changed to 0.957 atm while its temperature is held constant.
In the explosion of a hydrogen-filled balloon, .5 grams of hydrogen reacted with 4.0 grams of oxygen to form how many grams of water vapor. (Water vapor is the only product.)
Given the following balanced reaction, if a mixture of 1.50 mol of Al and 3.00 mol of Cl2 are allowed to react, how many moles of AlCl3 are formed, assuming a 75% yield
question a heat engine operates in a carnot cycle between 76.0degc and 355degc. it absorbs 21000 j of heat per cycle
Balnace the following half reactions in an acidic solution a) MnO4 -(aq)---- MnO2(s) b) IO2- (aq)----Io4-(aq) based on (a) and (b) above, write balanced redox eqautions of (A) in an acidic solution MnO4-(aq) + IO3_(aq)----MnO2(s) + IO4- (aq) (A)
Under standard-state conditions, what spontaneous reaction will occur in aqeuous solution among the ions
The reaction 2H2(g) + 2NO(g) -> 2H2O(g) + N2(g) is first order in h^2 and second order in No at a particular temperature. What is the rate law
In acid based titration, 33.65mL of an 0.148 M M HCL solution were required to neutralize 25.00 mL of a NaOH solution . What is the molarity of the NaOH solution
What is the theoretical yield in grams of CuS for the following reaction given that you start with 15.5 g of Na2S and 12.1 g CuSO4? Reaction: Na2S + CuSO4 ? Na2SO4 + CuS
how does the attractive force that the nucleus exerts on an electron change with the principal energy level of the electron?
How many formula units make up 26.2 g of magnesium chloride (MgCl_2)?
Write a net ionic equation for the precipitation reaction resulting from mixing a BaCl2 solution with a K2SO4 solution.
How could you synthesize ethyl-(E, E)-5-phenyl-2, 4-pentadieneoate via a Wittig reaction, using benzaldehyde as your carbonyl compound and any other necessary organic or inorganic reagents
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