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Vaselesa [24]
3 years ago
8

Copper atoms are used to produce pennies. The copper atoms in pennies share many electrons. Pennies contain

Chemistry
1 answer:
kaheart [24]3 years ago
5 0

Answer:

Metallic bonds

Explanation:

Metallic bonds joins atoms of metals and atoms of alloys together. The copper used in making pennies is a metallic substance so it contains metallic bonds.

  • The formation of this bond type is predicated on the large atomic radius, low ionization energy and large number of electrons in the valence shell.
  • The bond is an attraction between the positive nuclei of all closely packed atoms in the lattice and the electron cloud.
  • The electron cloud is jointly formed by all the atoms by losing their outermost shell electrons.

This way the bond in pennies are metallic in nature.

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What is T2, if T1= 500 k, v1=10L, V2=8L,P1=600 torr,P2=200 torr?
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Explanation:

Using Combined Gas Laws:

(600 torr)(10L)/500°K = (200 torr)(8L)/x°K

\frac{600 torr(10L)}{500K} =\frac{200 torr(8L)}{xK}

Cross multiply:

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Divide:

x°K = (500°K(200 torr)(8L))/(600 torr)(10L)

xK = \frac{500K(200 torr)(8L)}{600 torr(10L)}

x = 400/3°K or 133.333°K

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What volume (l) of 0.750 m kcl solution contains 25.0 g of kcl?
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