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How can the function PV/RT be used to show how gases behave nonideally? Negative deviations result from . Positive deviations result from.
Which element has an oxidation number of 7. A. Mn in MnO4- B. I in IO3- C. Fe in Fe2O3 D. Cl in ClO2
Calculate the enthalpy change for the production of 200 L of hydrogen at 500 torr and 338.15 K for reaction : C(s) + H2O (g) --> CO (g) + H2 (g)
Chromium, Manganese, and Barium are all examples of metals that can be prepared in a pure form by combining oxides of these elements with reactive metals
Electrolysis is used to gold plate jewelry made of stainless steel. a) what half reaction takes place to plate Au^3+ on a stainless steel earring? b) is the earring the anode or cathode? c) why is energy needed to gold plate the earring
At room temperature (20), milk turns sour in about 63 hours. In a refrigerator at 3, milk can be stored three times as long before it sours.
galvanic sell is formed from a copper electrode and magnesium electrode in solutions containing their salts in 1.0M concentrations Mg(s)/Mg2+(aq)//Ag1+(aq)/Ag(s)
Methane and oxygen react in presence of a catalyst to form formaldehyde (desired product). In a parallel reaction, methane is oxidized to form carbon dioxide and water
Intially the vessel contains 3.0 moles of methane, 3.0 moles of xenon, and 4.0 moles of oxygen. What would the partial pressure of methane be if 2.0 moles of methane are added to the vessel? Assume that the volume and temperature of the vessel rem..
how are observations and testable experiments used to distinguish whether something is a theory
Determine the molarity of a saturated aqueous solution of NaI formed as 25degree celsius assuming that the added NaI does not add significantly to the volume of the water?
How many atoms are contained in one unit cell of of this element? The atomic mass of the element is 193.5 amu.
Silver has an average atomic mass of 107.87 u. If 48.18% of Ag exists as Ag-109 (108.9047 u), what is the identity and the atomic mass of the other isotope?
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