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Elodia [21]
2 years ago
6

1. What objects in this picture are in motion?

Chemistry
1 answer:
Likurg_2 [28]2 years ago
8 0
Sled going down is in motion
Sled hitting rock is unbalanced
He flew because the of the sudden stop threw them off
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Calculate the number of atoms of each element. 2,6,15,3,8,5?
katen-ka-za [31]

Answer:

P 6 atoms

O 15 atoms

Explanation:

P = 2×3= 6

O = 5×3= 15

6 0
3 years ago
Which equation represents a redox reaction?
labwork [276]

Answer:

D. 2NaBr + Cl_2\rightarrow 2NaCl + Br_2

Explanation:

Hello!

In this case, for the given set of chemical reactions, it is possible to infer that D. is a categorized as redox due to the following:

Since both chlorine and bromine remain as diatomic gases, their oxidation states in such a form is 0, but as anions with lithium cations they have a charge of - according to the following reaction and half-reactions:

2NaBr + Cl_2\rightarrow 2NaCl + Br_2

Cl_2^0+2e^-\rightarrow 2Cl ^-\\\\2Br^- \rightarrow  Br_2^0+2e^-

Unlike the other reactions whereas no change in the oxidation states is evidenced.

6 0
3 years ago
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dsp73
A. the reaction releases heat
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Which of the following elements does not form hydride by direct heating with
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I believe the answer is A.

Hope this helps! ^^
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3 years ago
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