Asap ! which of the following is an example of a ball of clay undergoing a physical change? i. the ball is thrown into the air. ii. the ball is broken into two separate halves. iii. the ball is rolled along the ground. iv. the ball is flattened into a pancake-like shape. a. i and iii only b. i, ii, and iii only c. iv only d. ii and iv only
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In apex! a liquid heated beyond a certain temperature becomes
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Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
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The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?
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Asap ! which of the following is an example of a ball of clay undergoing a physical change?...
Mathematics, 21.04.2020 01:25
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