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-A stable molecule will form from an atom of nitrogen and an atom of oxygen. the proper name and formula of this compound would be:1)Oxygen Nitrogen,ON 2)Nitrogen Oxygen, NO 3)Oxygen nitride,ON 4)nitrogen oxide,NO
-Which of the following polyatomic ions is a cation? 1)sulfate 2)sulfite 3)ammonium 4)carbonate 5)cyanide
-Sulfur Forms a compound with nitrogen with the formula S4N4. The proper full name for this compound is___.
1)Sulfur Nitrogen 2)Sulfur cyanide 3)Sulfur Tetranitrogen 4)sulfur tetranitride 5)tetrasulfur tetranitride
Calcultate what is the value of enthalpy H reaction If the temperature increased from 35.0 degree celsius to 76 degree celsius and the heat capacity of the calorimeter = 23.3kj/c ? (the molar mass of C2H5OH = 46.07g/mol. )
how many milliliters of a .250 m sulfuric acid solution would be required to completely react with 2.398 grams of solid
Does purified aspirin appear to be purer than crude aspirin? What is your evidence?
Calculate ΔHo fusion and ΔSo fusion for the substance If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K. ?
A 72.0 mL volume of 0.25 Moles HBr is titrated with 0.50 Moles KOH. Calculate the pH after addition of 36.0 mL of KOH
Construct a detailed sequence of rxn to synthesize meso-1,2,-dichlorocyclopentane as the major substrate product, starting with (1R,2S)-2-bromocyclopentanol as the subtrate.
Circle the compound in each pair that you would predict to be more soluble in water. Give a very brief explanation for your choice. a. Nitrogen gas or Hydrogen fluoride gas b. Quartz crystal or (NH4)2SO4 crystal
Which one of these equations describes a redox reaction?
When 36.8g of benzene reacts with an excess of chlorine gass, the acual yield of 38.8g what is the percentage yield?
Neopentyl alcohol, (CH3)3CCH20H,cannot be dehydrated to an alkene without rearrangement. What is the chief product of dehydration?
Electrochemical cells find analytical applications. What two aspects of an electrode reaction are used qualitatively and quantitatively
Sulfuric acid,H2SO4 is a strong diprotic acid. A sample of aqueous solution of sulfuric acid has a concentration of 0.0582 M. Calculate the concentration of H3O+ ion, HSO4- and (SO4)2- ions from this solution. Ka = 1.18 * 10^-2
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