Chemistry, 10.10.2020 16:01 umadbro46111
A student is studying asbestos, a mineral that causes cancer in humans. One of the components of asbestos is silicon, a somewhat reactive element, that is the second most abundant element found in the Earth’s crust. Which characteristic of silicon is most closely related to its chemical reactivity?
The atomic mass of silicon, which is 28.085 amu
The density of silicon, which is 2.33 g/cm3
The 4 valence electrons in each atom of silicon
The 14 protons in each atom of silico
Answers: 3
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What is the value of keq for the reaction expressed in scientific notation
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Chemistry, 22.06.2019 08:30
Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree
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Chemistry, 22.06.2019 09:00
What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
Answers: 1
Chemistry, 22.06.2019 14:10
16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
Answers: 2
A student is studying asbestos, a mineral that causes cancer in humans. One of the components of asb...
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