Chemistry, 03.02.2020 09:00 marley462847

1chem question
what is meant by the phrase, “conservation of mass”?

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Chemistry, 21.06.2019 22:30, king514

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Chemistry, 21.06.2019 23:00, DarcieMATHlin2589

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

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Chemistry, 22.06.2019 10:30, ciel8809

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.