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A quantity of oxygen gas

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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a quantity of oxygen occupies a volume of 19.2L at STP. How many moles of oxygen are present?
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2. asked by Gurjot
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how many molecules are in 5.5 moles of oxygen gas? How many atoms are in this quantity of gas?I used dimensional analysis and
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2. asked by ally
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I asked the following the other day and received the following answer:Posted by Matthew on Sunday, March 17, 2013 at 11:03pm. A
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2. asked by Matthew
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Hydrogen and oxygen react to produce water according to the following equation.2h2 + o2 2h20The molar mass of hydrogen gas (h2 )
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Two descriptions about physical quantities are given below:Quantity A: It remains constant. Quantity B: It depends on
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2. 118 views
Divide. The quantity x squared minus 16 over the quantity x minus 1, all divided by the quantity x plus 4(1 point) Responses The
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2. asked by u dont know me
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Divide. The quantity x squared minus 16 over the quantity x minus 1, all divided by the quantity x plus 4(1 point) Responses The
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2. asked by u dont know me
3. 81 views
Hydrogen and oxygen react to produce water according to the following equation.The molar mass of hydrogen gas ( ) is . The molar
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2. 17 views
1000 ml of oxygen at ntp passed through siemens ozoniser when the resulting volume was 888 ml at ntp .quantity of ozonised
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2. asked by Anonymous
3. 875 views