Fast i dont get the rest of this mass of 5 pennies: 12.5g mass of 1 penny: 2.5g mass of 5 nickels: 25g mass of 1 nickel: 5g mass of 5 quarters: 28.4g mass of 1 quarter: 5.68g volume of 20 pennies: 7.2ml volume of 1 penny: .36ml volume of 20 nickels: 14.4ml volume 20 quarters: 16.2ml volume of 1 quarter: .81ml density of a penny: density of a nickel: density of a quarter:
answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck
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i'm assuming that the correct answer is indeed the first one/ "a"..
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b. examine and describe cells
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Cis the
Another question on Chemistry
Chemistry, 21.06.2019 18:30
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