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helium gas, 3x10-4g, is dissolved

helium gas, 3x10-4g, is dissolved in 200g of solution. Express this concentration in parts per million.
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2. asked by Anonymous
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roughly, it takes light less 0.0000000003 of a second to travel one-menter distance. Express this number in the form of a x 10^n
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roughly, it takes light less 0.0000000003 of a second to travel one-menter distance. Express this number in the form of a x 10^n
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2. asked by Magical
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Janiya is taking a road trip. The distance she plans to travel can be written as:3x10^2 kilometers 3x10^5 meters 3x10^7
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2. 24 views
A capacitor has a charge of 5 µC when charged by a potential difference of 1.5 V. What is the capacitance of the capacitor?3.3x
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2. asked by Derp
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A slab of plate glass containing dissolved helium is placed in a vacuum furnace at a temperature of 400 C to remove the helium
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What characteristic distinguishes helium (He) from the other noble gases?Helium has a strong odor. Helium is highly reactive.
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2. 106 views
5.What characteristic distinguishes helium (He) from the other noble gases? Helium has a strong odor. Helium is highly reactive.
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Janiya is taking a road trip. The distance she plans to travel can be written as 3x10 to the power of 2 kilometers, 3x10 to the
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2. 96 views
Place the numbers in descending order. 2.3x10^-10; 3.2x^-10; 2.3x10^-12; 2.3x10^-8
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2. 319 views