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Large Weapons Explosion428 viewsGood to show students chemical reactions
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balanced equation94 viewsbalanced equation
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Bright-Line Spectra186 viewsThe bright-line spectra for three elements and a mixture of elements are shown
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Ionic Radii of Some Group 2 Elements227 viewsThe ionic radii of some Group 2 elements are given in the table
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Reaction between bromine and a hydrocarbon180 viewsA reaction between bromine and a hydrocarbon is represented by the balanced equation
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Component of Natural Gas vs. Boiling Point at Standard Pressure (°C)191 viewsNatural gas is a mixture that includes butane, ethane, methane, and propane. Differences in boiling points can be used to separate the components of natural gas. The boiling points at standard pressure for these components are listed in the table
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Information about Two Mixtures at 20.°C114 viewsA student prepared two mixtures, each in a labeled beaker. Enough water at 20.°C was used to make 100 milliliters of each mixture.
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The procedures and corresponding observations for the activities are given114 viewsA student performed a laboratory activity to observe the reaction between aluminum foil and an aqueous copper(II) chloride solution.
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Last additions - Chemistry
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The procedures and corresponding observations for the activities are given114 viewsA student performed a laboratory activity to observe the reaction between aluminum foil and an aqueous copper(II) chloride solution.Nov 28, 2011
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Information about Two Mixtures at 20.°C114 viewsA student prepared two mixtures, each in a labeled beaker. Enough water at 20.°C was used to make 100 milliliters of each mixture.Nov 28, 2011
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Component of Natural Gas vs. Boiling Point at Standard Pressure (°C)191 viewsNatural gas is a mixture that includes butane, ethane, methane, and propane. Differences in boiling points can be used to separate the components of natural gas. The boiling points at standard pressure for these components are listed in the tableNov 28, 2011
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Reaction between bromine and a hydrocarbon180 viewsA reaction between bromine and a hydrocarbon is represented by the balanced equationNov 28, 2011
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Concentrations of Reactants and Products166 viewsAt 550°C, 1.00 mole of CO2(g) and 1.00 mole of H2(g) are placed in a 1.00-liter reaction vessel. The substances react to form CO(g) and H2O(g). Changes in the concentrations of the reactants and the concentrations of the products are shown in the graphNov 28, 2011
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Ionic Radii of Some Group 2 Elements227 viewsThe ionic radii of some Group 2 elements are given in the tableNov 28, 2011
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Bright-Line Spectra186 viewsThe bright-line spectra for three elements and a mixture of elements are shownNov 28, 2011
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Reaction of Zn(s) with HCl(aq)154 viewsDuring a laboratory activity to investigate reaction rate, a student reacts 1.0-gram samples of solid zinc with 10.0-milliliter samples of HCl(aq). The table below shows information about the variables in five experiments the student performed.Nov 28, 2011
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