Chemistry, 26.06.2019 21:30 babbity2009
An atom of potassium-37 and an atom of potassium-42 differ in the total number of a-positrons b-neutrons c-electrons d-protons
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Chemistry, 22.06.2019 03:30
Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?
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Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
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Chemistry, 22.06.2019 20:50
What is the vapor pressure of a solution with a benzene to octane?
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Chemistry, 22.06.2019 23:00
What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?
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An atom of potassium-37 and an atom of potassium-42 differ in the total number of a-positrons b-neut...
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