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kiruha [24]
3 years ago
13

Los ácidos tienen un sabor amargo

Chemistry
1 answer:
Kaylis [27]3 years ago
3 0

Answer:

what can you translate

Explanation:

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What is the oxidation state of each element in the species Mn(ClO4)3?
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The oxidation state of the compound Mn (ClO4)3 is to be determined in this problem. For oxygen, the charge is 2-, the total considering its number of atoms is -24. Mn has a charge of +3. TO compute for Mn, we must achieve zero charge overall hence 3+3x-24=0 where x is the Cl charge. Cl charge, x is +7. 
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3 years ago
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PLS HELP!!! ASAP
mina [271]

Answer: The answer is Fossil A is younger than the index fossil.

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What is the pH of a 0.050 M triethylamine, (C2H5)3N, solution? Kb for triethylamine is 5.3 ´ 10-4. Question options: 1) 11.69 2)
blsea [12.9K]
<span>the pH of a 0.050 M triethylamine, is 11.70
</span>
For triehtylamine, (C_{2}H_{5})_{3}N, the reaction will be
(C_{2}H_{5})_{3}N + H_{2}O ---\ \textgreater \ ( C_{2}H_{5})_{3}NH^{+} + OH^{-}

 and we know, pH = -log[H+] and pOH = -log[OH-]

Also, pOH + pH = 14

Now, the Kb value  = 5.3 x 10^-4

And kb =  \frac{( [( C_{2}H_{5})_{3}NH^{+} ]*  OH^{-} )}{[( C_{2}H_{5})_{3}N]}

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3 years ago
Could volume by displacement be used to determine the volume of a lump of rock salt? Explain would be nice
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1).  Displacement of water would not be a wise method, since rock salt
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So you would have to choose some other fluid besides water ... one in
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2).  Whatever fluid you did choose, it would also have to be less dense
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So the displacement method could perhaps be used, in principle, but
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