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Consider the statement: "By balancing a chemical equation, one is applying the law of conservation of mass."
Provide a unique example of a balanced chemical equation, and state whether you agree or disagree with the statement. Explain your reasoning.
Propane has a normal boiling point of -42.0°C and a heat of vaporization (ΔHvap) of 19.04 kJ/mol. What is the vapor pressure of propane at 25.0°C?
what is the total number of joules absorbed by 65.0g of water when the temperature of the water is rasied from 25.0 c to 40,0 c?
How long will it take to deposit 89 g of magnesium from an electrolysis cell containing MgO at a current of 12.5. A magnesium formation is the only cathode reaction mg = 24glmol.
A gas contains a mixture of NH3(g) and N2H4(g), both of which react with O2(g) to form NO2(g) and H2O(g). The gaseous mixture (with an initial mass of 61.00 g) is reacted with 10.00 mol O2, and after the reaction is complete, 3.970 mol of O2 remai..
Which three countries produce most of the world's rhodium? How is rhodium found in nature?
What is the molarity of a solution that contains 169.3 g of sodium chloride dissolved in 597 mL of solution
Which of the following elements is expected to have the greatest electron affinity in this group? H, Cl, I, Cs, Li
naturally occuring copper contains a miture of 69.09% copper-63 (62.9298 amu) and 30.91% copper-65 (64.9278 amu)
Milk of magnesia, Mg(OH)2, is prepared from aqueous solutions of magnesium sulfate and sodium hydroxide. If a solution containing 50.0g of MgSO4 is added to a solution with 50.0g of NaOH, what is the limiting reactant and mass of milk of magnesia ..
Determine the boiling point of a solution that contains 78.8 g of naphthalene (C10H8) dissolved in 722 mL of benzene (d = 0.877 g/mL). Pure benzene has a boiling point of 80.1°C and a boiling point elevation constant of 2.53°C/m.
Explain why the radii of atoms do not simply increase uniformly with increasing atomic number.
The unit cell edge is 408.7 pm. Given the density of silver is 10.5 g/cm3. Using this information, calculate Avogadro's number.
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