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Posted by on Sunday, November 14, 2010 at 10:35pm.

Write a balanced equation using the correct formulas and include conditions (s,l,g or aq) for each of the following reactions.

1)Carbon monoxide gas reacts oxygen gas to produce carbon dioxide gas.
Express your answer as a chemical equation. Identify all of the phases in your answer.

2)In the Apollo lunar module, hydrazine gas, N2H4, reacts with dinitrogen tetroxide gas to produce gaseous nitrogen and water vapor.
Express your answer as a chemical equation. Identify all of the phases in your answer.

  • Chemisry - , Sunday, November 14, 2010 at 11:41pm

    Did you try EITHER of these? They look simple enough. I've done the easier of the two and left the harder one for you. If you don't understand any of the steps, repost with that and we can help you through BUT we aren't in the business of doing all of your homework. You need to learn how to do these.

    2CO(g) + O2(g) ==> 2CO2(g)

  • Chemisry - , Monday, November 15, 2010 at 12:02am

    Yes I did try both of these I got #2 about five minutes ago on my own. The answer is 2N2H4(g)+N2O4(g)->3N2(g)+4H2O(g)

    and I tried the first problem and got: CO(g)+O(g)->CO2(g)

  • Chemisry - , Monday, November 15, 2010 at 12:51am

    Your answer to #2 is correct. Very good. Your answer to #1 is not correct but see my first response for the correct answer. The reason yours is not correct is that oxygen gas, in the free state, is diatomic, meaning it is O2.
    If you've not seen this is may be of use. In the elemental state, there are 7 elements that are diatomic (H2, N2, O2, F2, Cl2, Br2, I2) and remember their cousins (S8 and P4). Look on the periodic table to see the location of these elements. It makes it easier to remember them.

  • Chemisry - , Monday, November 15, 2010 at 4:13pm

    Ok I thinks that's what I may be confused on. I will def make sure I remember those. Thank You

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