Physics, 21.03.2020 02:15 paulinahunl17
1. How does the valence of an element relate to its chemical activity?
2. Identify the statements below as belonging to one of these laws: law of conservation of matter,
law of conversation of energy, or law of definite proportions.
a. Energy can be neither created nor destroyed by chemical means but can be changed from
one form to another.
b. The composition of a chemical compound never varies.
c. Matter can be neither created nor destroyed by chemical means but can be changed from
one form to another.
3. How was the Periodic Table of Elements developed and how are the elements arranged on it?
Answers: 2
Physics, 21.06.2019 23:30
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Physics, 23.06.2019 01:30
Energy transformations that involve one transformation from one type of energy to another are called transformations.
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Aparticle initially located at the origin has an acceleration of = 2.00ĵ m/s2 and an initial velocity of i = 8.00î m/s. find (a) the vector position of the particle at any time t (where t is measured in seconds), (b) the velocity of the particle at any time t, (c) the position of the particle at t = 7.00 s, and (d) the speed of the particle at t = 7.00
Answers: 1
1. How does the valence of an element relate to its chemical activity?
2. Identify the stateme...
2. Identify the stateme...
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