In an experiment temperature and the amount of NaCI dissolved in water were studied researchers changed the temperature of the water to see if it effects in the amount of NaCI being dissolved They conducted two tests one changing the temperature and another without changing the temperature the temperature change affected the amount of NaCI dissolved in water in this experiment the dependent variable is
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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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Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1
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What shape would a molecule with two bound groups and two lone pairs have?
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Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.
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In an experiment temperature and the amount of NaCI dissolved in water were studied researchers chan...
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