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Balance the equations for the formation of H2S(g) as well as CS2(l) from their elements in their standard states. Comprise delta H°f for each reaction. Comprise the state of each element
If you fill the larger tank with oxygen to a pressure of 135 , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
Barium azide is 62.04% Ba and 37.96% N by mass. Assuming that barium exists as its most stable cation in the above compound, what is the molecular formula of barium azide, how many nitrogen atoms compose an azide ion, what is the charge on an azid..
a 10 ml sample of an unknown aqueous nickel 2 solution was treated and found to produce 0.0532g of nidmg2 precipitate.
A 1.00-g solid sample containing a mixture of NaCl and H3C6H5O7, a triprotic acid, is dissolved in 15 ml of water. Titration of the acid solution requires 25.40 mL of 0.1598 M NaOH solution to reach the endpoint.
At equilibrium the concentration of CO (g) was found to be 0.046 M. Calculate the equilibrium constant for the reaction equation at 527 degrees celcius.
What is the average mass of calcium in each sample? (Assume that the relative uncertainties in atomic mass are small compared the uncertainty of the total mass.)
A compressed nitrogen cylinder from Praxair has a volume of 43.0L and a maximum pressure of 2265 psi. Assuming that the temperature is 293K
A pressure measuring device indicates that the blood pressure of a normal person oscillates between 120 mm Hg (at the peak of the heartbeat) and 80 mm Hg (between heartbeats).
Which of the following statements relative to IUPAC nomenclature for alkens and cycloalkenes is incorrect? A. The position of a double bond in a parent chain is given by a single number B
the haber process is very important for agriculture because it converts n2 g from the atmosphere into bound nitrogen
a 75.0 l steel tank at 20.0c contains acetylene gas c2h2 at a pressure of 1.39 atm. assuming ideal gas behavior how
Write a balance equation for the reaction of nitric acid (HNO3) with each base solution : [1]. NaHCO3, [2]. MgCO3. ( Please include the phases of the substance)
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