Why the boron hydride is decomposed by microwaves
Boron hydride is decomposed by microwaves in the gas phase:
B2H6→ 2B + 3H2 Determine the volume of hydrogen gas at 40 degrees Celsius or 313Kand 20.0 torr obtained when the .255g of boron hydride reacts.
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If a solution contains 57.2% H2O, 32.6% HDO and 10.2%D2O by mass, what is DS, DG, DV and DH for the separation process if the temperature is 21 °C? Liquid chromatography can be used to separate compounds.
If P is fixed can T vary if a solution of 0.1 mol al AgNO3 in water saturated with AgCl and AgBr (both solids present), is placed in an evacuated vessel of larger volume than the solution. List all the components present.
The volume of the mixture is 1.7 L and its total pressure is 0.810 atm if zinc metal is added to hydrochloric acid to generate hydrogen gas and is collected over a liquid whose temperature is the same as pure water at 20.0 degrees C (18 torr).
Determine the velocity of a neutron whose de Broglie wavelength is 500 pm. The mass of a neutron is1.67 x10-24 g. use this formula:
Determine the volume of hydrogen gas at 40 degrees Celsius or 313Kand 20.0 torr obtained when the .255g of boron hydride reacts.
Consider the directing effects of the ester and the first nitro group on the addition of the second nitro group. Illustrate the structure of dinitroester?
How much will be in account when individual retires at age of 65 if contributions start when person is 45 years old? How much extra money will be in account if individual stops making contribution at age 65 but defers retirement until age 70?
What is the cathode reaction when a solution of nickel (II) sulphate adjusted to a pH of 7 is electrolyzed, the green color of the solution becomes less intense and no gas bubbles are detected in the cathode chamber?
Emissions of sulfur dioxide by industry set off chemical changes in the atmosphere that result in "acid rain." The acidity of liquids is measured by pH on a scale of 0 to 14.
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