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I'm confused about the oxygen

I have an exam in a day and I'm confused on how to solve this question. Do I use PV=nRT? Do I find out the molecular formula of
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2. asked by Jenny
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1. She was confused at his error.1-2. She was confused by his error. 2. He was confused about something. 3. He is confused in
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2. asked by rfvv
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Ok I'm really confused on the question I asked how many CO2 molecules can be made with 0.500 mol of oxygen atoms. Please help
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2. asked by Monique
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Study the balanced equation.C + O2 → CO2 (M O2 = 32 g/mol; M CO2 = 44 g/mol) When 78.0 g of carbon dioxide (CO2) are produced,
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2. asked by Auzy
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D diamond 24 Which of the following describes a chemical property of oxygen? A Oxygen is a gas at room temperature. B An oxygen
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57 Which of the following describes a chemical property of oxygen? A Oxygen liquefies under pressure. B An oxygen molecule may
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How many liters of oxygen a@STP will produce 195 grams of diphosphorus pentoxide when reacted with sufficient phosphorus?- exact
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2. asked by Kristen
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Which of the following properties allows water to have a high boiling pointA It is a small, covalent molecule. B It can form
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2. asked by anom
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Ozone is formed when _______.a. two oxygen molecules combine b. an individual oxygen atom combines with an oxygen molecule c.
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A quantity of oxygen gas had 16.32 g of the radioactive isotope oxygen-19 in it. When measured exactly 10 minutes later, the
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2. asked by Matthew
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