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| Questions:
TimeLeft: Posted: |
Chemistry
Use the following steps to balance the redox reaction below:
Mg + Au+ Mg2+ + Au
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Feb 9th |
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How old is a wooden throne if the current carbon-14 activity is one-eighth of the original? more... |
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Feb 7th |
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I need help with all questions. more... |
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Jan 22nd |
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I would like help with all questions more... |
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Jan 22nd |
A photon of light has a frequency of 3.26 * 1015 hertz. What is its wavelength? The speed of light is 3.00 * 108 m/s.
Choose one answer. a more... |
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Dec 12th |
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you produce 50 ml of dry hydrogen gas as a result of a reaction of Mg with and excess of hydrochloric acid. The process had a 97% yield. How many gram more... |
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Dec 6th |
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An organic compound that cahnged color in the presence of certain ions: is this an acid, base, salt, or indicator? more... |
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Dec 5th |
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An organic compound that cahnged color in the presence of certain ions: is this an acid, base, salt, or indicator? more... |
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Dec 5th |
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the shape of s orbital more... |
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Dec 4th |
1) NO2(g) + CO(g) -→ NO(g) + CO2(g)
2) NO + O3 -→ NO2 + O2
A) in each reaction the initial concentrations of the reactions more... |
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Dec 2nd |
A mixture in which the mole ratio of hydrogen to oxygen is 2.1 and makes water.
2H2 + O2 ->2H2O
the total pressure in the container is .95g more... |
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Dec 2nd |
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What is stoichiometry more... |
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Nov 29th |
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if a reaction between nickel (II) sulfate an d sodium hydroxide produces nickel (II) hydroxide and sodium sulfate and 4.4 moles of NaOH are used how m more... |
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Nov 27th |
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How many molecules are in a 0.536 mole sample of propane, C3H8? more... |
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Nov 22nd |
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What is the volume of a dry gas at 43.6 degrees celsius if it occupies volume of 2.00 L at standard temperature? more... |
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Nov 21st |
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