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3 years ago

13

An electrode reaction is reduction. This means that the electrode is a(n) a. cathode. c. electrochemical cell. b. anode. d. elec

trolytic cell.

1 answer:

Romashka [77]3 years ago

5 0

Oxidation happens at the anode and reduction happens at the cathode.<span />

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Easons for the dense packing in metals <br>

Firdavs [7]

Explanation:

Typically, only one element is present, so all atomic radii are the same. -Metallic bonding is not directional. -Nearest neighbor distances tend to be small in order to lower bond energy.

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3 years ago

true or false: 1. An object can have only one type of energy at a time 2. If an object has energy, it must be moving. 3. All ene

gregori [183]

True is the correct answer

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Identifica el elemento según su configuración electrónica, 1s2 2s2 2p6 3s2 3p6 4s2 3d8 *

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Answer:

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3 years ago

Chemist and physicist marie curie became famous for her pioneering research on radioactivity. What are the two chemical elements

wolverine [178]

Answer:

The two elements are POLONIUM and RADIUM.

Explanation:

Maria Curie is a French physicist and chemist, though she was of a Polish naturals. She was the first woman to receive a Noble Price which she earned for conducting leading and head way research on radioactivity. She discovered the theory of radioactivity; also the techniques isolating radioactive isotopes. These helped her and her husband discover Polium and Radium.

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4 years ago

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A sample of hydrogen gas collected over water occupied 30.0 mL at 24 °C on a day when the atmospheric pressure was 736 Torr. Wha

givi [52]

Answer:0.026ml

Explanation:

Details are found in the image attached. We must subtract the saturated vapour pressure of hydrogen gas at the given temperature from the total pressure of the hydrogen gas collected over water to obtain the actual pressure of hydrogen gas and substitute the value obtained into the general gas equation. The dry hydrogen gas has no saturated vapour pressure hence the value is substituted as given. All temperatures must be converted to Kelvin before substitution.

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4 years ago