Chemistry, 02.02.2020 16:04 kirsten8605
Balance the chemical equation given below, and determine the number of milliliters of 0.0300 m phosphoric acid required to neutralize 25.00 ml of 0.0150 m calcium hydroxide.
ca(oh)2(aq) + h3po4(aq) _ ca3(po4)2(s) + h2o(l)
Answers: 1
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Three cards with holes are arranged in a straight line. a light is shined through the first cardβs hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
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Chemistry, 22.06.2019 12:40
In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
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Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
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Balance the chemical equation given below, and determine the number of milliliters of 0.0300 m phosp...
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