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At a given temperature and pressure, the volume of a gaseous sample is directly proportional to the moles of the gas (Voulme=C x moles, where C is a constant). Assuming that the temperature and pressure is te same for the reaction of Magnesium with HCl (aq) and Zinc with HCl(aq) and considering the balanced hemical equations for these reactions, answer the following question: what is the relationship between the factor R2 and the following factor, labled R3: R3= Volume of H2(g) produced per mol o zinc that reacts.
The vibrational frequency of H2 is 131.9 THz. What is the vibrational frequency of T2 (T=3H)
For a hypothetical gas-phase reaction that is second order in A and third order in B, by what factor does the rate change if pA is decreased by 4 times and pB is doubled
what is the molecular weight of a gas if a 250 ml sample of this gas collected over water at 735 mm hg and 28.0degc has
Electrolysis of molten NaCl is done in a Downs cell operating at 7.0 volts (V) and 4.0 x 104 A. How much Na(s) and Cl2(g) can be produced in 4 hours in such a cell
1. for the following reactionnbspfe2o3 3 h2 -gt 2 fe 3 h2onbspif 6.3 g of fe2o3 is reacted with 15.8 g of hydrogen to
calculate the number of excess reagent units remaining when 188 PbS formula units and 279 O2 molecules react?
Compare the molar solubility of AgOH in pure water, with that in a solution buffered at pH 7.00. Note the difference between the two cases: when AgOH is dissolved in pure water, the pH does not remain at 7. The value of Ksp for AgOH is 1.5x10-8 at..
a certain monomer used in the production of polymers has one nitrogen atom and the mass composition 67.90 c 5.70 h and
What is the minimum frequency of light (nm) that can be used to eject electrons from the surface of this metal via photoelectric effect
Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of Hydrogen gas are formed when 48.7g of sodium are added to water?
Construct a spontaneous voltaic cell using the following materials: A Ni(s) electrode, a copper electrode, a 1.0 M Ni(NO3) (aq) solution and a 1.0 M CuSO4 (aq) solution.
The heat capacity of liquid water 4.18 J/g degree celcius and the molar heat of vaporization 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67 degree celcuis into 1.00 g of steam at 100 degrees celci..
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