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when the temperature of the beakers did not reach equilibrium, what can you conclude about the material placed in it ?
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Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
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Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Rays from the sun are not considered matter true or false
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when the temperature of the beakers did not reach equilibrium, what can you conclude about the mater...
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