Chemistry, 10.02.2021 22:20 djjdjdjdjdNfnd1941
What is the freezing point of solution that has 185.25 grams of Ca(OH)2 (formula mass = 74.1) dissolved in 2,500 grams of water at standard pressure?
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What do we call the rows on the periodic table? a. periodb. familyc. groupd. metals
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Use the periodic table to identify the number of core electrons and the number of valence electrons in each case below. potassium (k): 1s22s22p63s23p64s1
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Freya built a model of the earth, sun, and moon. freya can cause her model to move in three different ways. she can turn the crank to model how the earth revolves around the sun, she can spin the globe to model how the earth rotates on its axis, and she can push the moon with her fingers to model how the moon revolves around the earth. how could freya best use her model to demonstrate the cause of the day/night cycle on earth?
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What is the freezing point of solution that has 185.25 grams of Ca(OH)2 (formula mass = 74.1) dissol...
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