Justine observed that the water level in a dish placed on the window sill decreased after a few days, and vapor formed. what best explains that she observed a physical change? vapor can be easily condensed back to form water. water and its vapor react with substances in different ways. the molecular composition of water changed when the water level decreased. bonds between hydrogen and oxygen broke when the water level changed.
Answers: 2
Chemistry, 22.06.2019 05:40, yah2muchh
Calculate: select the worksheet tab. this tab you calculate the analyte concentration. fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.) record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes. record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed
Answers: 2
Chemistry, 22.06.2019 10:30, ciel8809
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
Answers: 1
Chemistry, 22.06.2019 19:00, cindyroxana229
Nan element’s square on the periodic table, the number with the greatest numerical value represents the
Answers: 3
Chemistry, 23.06.2019 02:30, micahwilkerson9495
Which words or phrases identify layers of groundwater? check all that apply. water table kettle lake saturation zone underground lake sinkhole will give brainiest, answer quickly.
Answers: 1
Justine observed that the water level in a dish placed on the window sill decreased after a few days...
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