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lyudmila [28]
3 years ago
9

Pls help its rlly hard

Chemistry
1 answer:
matrenka [14]3 years ago
6 0

Answer:

Plastic has a low electrical conductivity, and metal has high electrical conductivity

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What is an inference in science
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<span>An Inference Is An Idea Or Conclusion Thats Drawn From Evidence And Reasoning. An Inference Is Also An Educated Guess.</span>
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3. (05.04 MC)
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1.10 g H2

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For the reaction 2Fe + O2 &gt; 2FeO, how many grams of iron oxide are produced from 5.00 moles of iron?
Greeley [361]

Answer:

359 grams FeO

Explanation:

To find how many grams FeO are produced, you need to use the moles of Fe, convert it to moles of FeO (using the mole-to-mole ratio from the equation), then convert the moles of FeO to grams (using the molar mass from the periodic table).

2 Fe + O₂ --> 2 FeO

Molar Mass (FeO) = 55.845 g/mol + 16.00 g/mol

Molar Mass (FeO) = 71.845 g/mol

5.00 moles Fe           2 moles FeO            71.845 grams
----------------------   x  ------------------------  x  ----------------------  = 359 grams FeO
                                   2 moles Fe               1 mole FeO

5 0
2 years ago
Energy that can be caused by changes in the nucleus of an atom l,joining or splitting
nikklg [1K]

Answer:

Nuclear Energy

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Fission occurs when the nucleus of one big atom splits into two new atoms, and during this process, a tremendous amount of energy is released in the form of light and heat.

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What happens immediately after you dissolve acid in water​
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Explanation:

Weak bases, just like weak acids, dissociate slowly when dissolved with water. An Arrhenius acid is any substance that ionizes when it dissolves in water to give the H+, or hydrogen, ion. An Arrhenius base is any substance that gives the OH-, or hydroxide, ion when it dissolves in water

welp hope it helped (Q.Q)

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