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Problem- The combustion of a 1.00 mole of methane, CH4, produces carbon dioxide and water and releases 803 kJ•mol-1When 3.00 mol of oxygen react with a stoichiometric quantity of methane, what is pH for the reaction?
Here is the problem which I am struggling on, please help me!
Magnesium hydroxide is used in several antacid formulations. When it is added to water it dissociates into magnesium and hydroxide ions. Mg(OH)2(s) Mg2+(aq) + 2OH-(aq).
What is the freezing point of a solution of 1.17 g of 1-naphthol, C10H8O, dissolved in 2.00 mL of benzene at 20°C? The density of benzene at 20°C is 0.876 g/mL. Kf for benzene is 5.12°C/m, and benzene's normal freezing point is 5.53°C.
Calculate the molarity of a solution of glycerol made by dissolving 63.000 glycerol at 15 in enough water to make 300.00 of solution.
A portable water heater transfers 225 watts of power to 5.5 L of water. How much time will it take the water heater to heat the 5.5 L of water from 22 to 40 degrees Celsius?
an unknown metal m was converted to the sulfatem2so43. a solution of this metalsulfate was treated with excess barium
A quantity of 6.0 moles of an ideal gas is reversibly heated at constant volume from 17 C to 35 C. Calculate the entropy change.
Question- Why does dichloromethane dissolve polystyrene (styrofoam) faster than toluene when toluene is more non polar than dichloromethane
If the purity of compounhe Z is 87% and the reed value for its molar extinction coefficient is 9200M-1 cm-1 at 605nm. What should measure as the E of this impure compund Z
Question- The equilibrium constant for the reaction of fluorine gas with bromine gas at 300 K is 54.7 and the reaction is:
Problem- If 2.65 g of n2h4 reacts and produces .750 L of n2, at 295k and 1.00 atm what is the percent yield of the reaction
a 0.204 g sample of a co32- antacid is dissolved with 25.0 ml of a 0.0981 m hcl. the hydrochloric acid that is not
100 mL of a 0.125 M solution of HBr was titrated with a 0.100 M solution of KOH at 25 C. The equivalence point will be reached after addition of what volume of the titrant?
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