Chemistry, 15.12.2020 21:30, HotWheels162000
Question 37 (3 points)
some of the element mercury's physical properties its melting point of -38.9°C, and boiling point of 356.7°C,
Mercury also is the only metal to remain in liquid form at room temperature. Which of the following is a chemical
property for it.
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It reacts with an acid to release hydrogen gas.
It has Silver-white mirror-like appearance.
Atomic number 80
Atomic weight 200.593
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Answers: 2
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Chemistry, 22.06.2019 19:00, innocentman69
How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
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Chemistry, 22.06.2019 22:30, darceline1574
Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next
Answers: 3
Question 37 (3 points)
some of the element mercury's physical properties its melting point of -38.9...
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