Chemistry

How many moles of Carbon dioxide are produced from the decompostion of 1.45 grams of Aluminum Carbonate?

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  1. reaction balanced equation.

    Al2C3 + O2 ----> CO2 + Al3

    therefore

    3Al2C3 + 9O2 = 9CO2 + 2Al3

    so try to find the mass of CO2 from the equation, then n= m/M

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  2. Which of the following is NOT true about the thermodynamic standard state?

    A. A gas is in its standard state when its pressure is 1.00 atm and its temperature is 25C.
    B. An aqueous solution is in its standard state at a concentration of 1.00 M.
    C. A pure liquid is in its standard state at 25C and a vapor pressure of 1.00 atm.
    D. A solid is in its standard state when the atmospheric pressure is 1.00 atm and the temperature is 25C.
    E. All of these are true.
    I thought that the answer would be D.

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  3. The balanced equation is
    Al2(CO3)3 ==> Al2O3 + 3CO2

    Step 1. Convert 1.45 g Al2(CO3)3 to mols.
    Step 2. Using the coefficients in the balanced equation, convert mols Al2(CO3)3 to mols CO2.
    Post your work if you get stuck.

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  4. You stand a better chance of getting an answer if you post your own guestion and don't piggy back on another one.

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