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CH4 + 2 O2 --> CO2 + 2 H2O
Is the reaction exergonic or endergonic?Is the reaction spontaneous?What is the appereance of the reactants before and after the reaction? What are the indications that this is a chemical reaction?
What volume (L) of 0.250M HNO3 is required to neuralize a solution prepared by dissolving 17.5g NaOH in 350mL of water?
Perkin and related reactions, There are numerous condensations that are closely related to the Perkin reaction
Assuming that the appropriate volumetric flasks are available, describe how we would make these solutions: (a)175 mL of a 1.14 M solution of NH4Br in water (b)1.35 L of a 0.825 M solution of NaI in water
A solution contains an unknown mass of dissolved silver ions. when potassium chloride is add to the solution.,a white precipitate forms.
Determine the vapor pressure of a solution prepared by dissolving 250 g of Ethanol in 375 g of water?
A gaseous mixture of rm O_2 and rm N_2 contains 36.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 485 mmHg?
You are given the chemical reaction: 4AsF3 + 3C2Cl6 -> 4AsCl3 + 3C2Cl2F4.If 1.3618 moles of AsF3 are allowed to react with 1.000 mole of C2Cl6.
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.066 moles of sulfuric acid is mixed with water to make 192 mililiter of solution, what is the molarity of H+?
Calculate the concentration of Chloride ion after the addition of 15.00 mL of 0.1000M AgNO3 is combined with 33.00 mL
Suppose that you developed your own new temperature scale, denoted oN. You chose 30.0oN as the temperature of freezing water and 280oN as the temperature of boiling water at 1.0 atm pressure.
What mass of this substance must evaporate in order to freeze 250 g of water initially at 15 C? (The heat of fusion of water is 334 {J/g}; the specific heat of water is 4.18 {J/g c.K}.)
Calculate the volume of 0.540 M sodium hydroxide solution contains 11.5 grams of sodium hydroxide?
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