Chemistry, 02.08.2019 01:00 RealSavage4Life
Overtime, crusty scales form on the heating coils inside a kettle. these can be removed by covering the coils with vinegar. as the scales disappear, bubbles of gas are observed. does this method of cleaning a kettle represent a physical or chemical change. explain.
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Asolution at 25 degrees celsius is 1.0 × 10–5 m h3o+. what is the concentration of oh– in this solution?
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Matches the chemical name of each oxide of phosphorus to its chemical formula
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What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature
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Overtime, crusty scales form on the heating coils inside a kettle. these can be removed by covering...
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