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Carbon tetrachloride, CCl4, a common liquid compound, has a density of 1.58 g/cm If you place a piece of a plastic soda bottle (d 1.37 g/cm) and a piece of aluminum (d2.70 g/cm) in liquid CCl4, will the plastic and aluminum float or sink? a piece of plastic will sink, a piece of aluminum will float a piece of plastic will float, a piece of aluminum will float a piece of plastic will sink, a piece of aluminum will sink a piece of plastic will float, a piece of aluminum will sink Submit Answer Try Another Version item attempts remaining
Potasslum reacting with water to produce hydrogen gas and potasslum hydroxlde. a What states of matter are involved in the reaction? solid liquid gas all of the above b) Is the observed change chemical or physical? physical chemical What are the reactants in this reaction? water and hydrogen potassium and potassium hydroxide hydrogen and potassium hydroxide potassium and water
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