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viktelen [127]
2 years ago
9

Three Chemistry students find a bottle of colorless liquid in the laboratory and each makes a different suggestions about the id

entity of its contents.
Josh: I think it is a reducing agent.
Matthew: I think it is an oxidizing agent.
Ricchard: I think it is neither a reducing agent nor an oxidizing agent.
Chemistry
1 answer:
astra-53 [7]2 years ago
3 0

Answer:

and the question is?

Explanation:

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4 0
3 years ago
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What is the half-life (in seconds) of a zero-order reaction which has an initial reactant concentration of 0.884 M with a k valu
pantera1 [17]
<span>Answer: 8.15s
</span><span />

<span>Explanation:
</span><span />

<span>1) A first order reaction is that whose rate is proportional to the concenration of the reactant:
</span><span />

<span>r = k [N]
</span><span />

<span>r = - d[N]/dt =
</span><span />

<span>=> -d[N]/dt = k [N]
</span><span />

<span>2) When you integrate you get:
</span><span />

<span>N - No = - kt
</span>
<span></span><span /><span>
3) Half life => N = No / 2, t = t'
</span><span />

<span>=> No - No/ 2 = kt' => No /2 = kt' => t' = (No/2) / k
</span><span />

<span>3) Plug in the data given: No = 0.884M, and k = 5.42x10⁻²M/s
</span>
<span /><span /><span>
t' = (0.884M/2) / (5.42x10⁻²M/s) = 8.15s</span>
6 0
2 years ago
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The crucial difference between relative dating and absolute dating is that
Gwar [14]

Answer:c

I need at least 20 characters to post

8 0
3 years ago
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25)
Taya2010 [7]

Answer:

The correct answer is B) electronegativities of the bonded atoms in a molecule of the compound .

Explanation:

When two atoms forming a bond differ in their electronegativities at that time bond polarity is generated

        In simple words a bond will be polar when the bonding electrons are not equally shared by two atoms.As a result the atom attract the bonding electron pair towards itself gain partial negative charge and the other atom gains partial positive charge.

       For HCl is a polar compound because H and Cl atom differ in their electronegativities,as a result the bonding electron pair is not shared equally by H and Cl atoms.

8 0
2 years ago
What is Heredity
Archy [21]

It's option D heredity is the passing of traits from parent of offspring.

8 0
3 years ago
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