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QveST [7]
3 years ago
10

The inner planets—Mercury, Venus, Earth, and Mars—are believed to have been formed by _____.

Chemistry
1 answer:
larisa86 [58]3 years ago
4 0

i believe the answer is B :/

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One mole of which of these compounds contains two moles of hydrogen atoms? f NaOH g H2S h CH4 j NH3
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G. H2S contains two hydrogen atoms
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Silicon crystals are semiconductors. Which of the following is a correct reason for the increase in the conductivity of Si cryst
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Answer:

c

Explanation:

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What is name of first man made element?
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7 0
3 years ago
Is the answer B? Help
Masja [62]

Answer:

A

Explanation:

Hmm, so we have the following in the diagram

Pt(s)

Cl2(g)

Ag(s)

NaCl(aq)

AgNO3(aq)

Pt 2+, 4+, 6+  Though it states Pt is inert

Cl 2-

Ag 1+

Na 1+

NO3-

Anode definition: the positively charged electrode by which the electrons leave an electrical device.

Electrode definition: a conductor through which electricity enters or leaves an object, substance, or region.

Cations attracted to cathode pick up electrons

Anions attracted to anode release electrodes+

Reduction at Cathode (red cat gain of e)

Oxidation at Anode (ox anode loss of e)

So from the diagram we can see that the charge is being generated through the 2 metal plates.

So the answer is A, the anode material is Pt and the half reaction is 2Cl- = Cl2 + 2e-

7 0
3 years ago
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