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How much energy moves onto the next level, in an energy pyramid
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If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a
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Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
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Chemistry, 22.06.2019 16:10
Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)
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Determine the poh of a 0.227 m c5h5n solution at 25°c. the kb of c5h5n is 1.7 × 10-9....
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