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labwork [276]
3 years ago
8

K2S(aq) + Co(NO3)2(aq) → CoS (?) + KNO3 (?)

Chemistry
1 answer:
Butoxors [25]3 years ago
5 0

Answer:

a!

Explanation:

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Which term is the symbol for pressure? A. [A] B. k C. R D. x + y E. None of the Above
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I believe the answer to your question is none of the above
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In a hot shower or steam room, you look up at the ceiling. What do you observe on the ceiling and why?
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Steam rises to the top and stays there
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4 years ago
Year/ Distance (cm)
luda_lava [24]

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Explanation:

6.7 to 13.2 then look at the numbers they go up but not a lot each time

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3 years ago
A Punnett square without the genotypes of the parents is shown below.
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Genotype of parents is CC and Cc

Explanation:

Please see the attachment

8 0
3 years ago
Which of the following is not a property of a buffer solution? a) It is a mixture of a weak acid and its conjugate base. b) Resi
m_a_m_a [10]

Answer:

e) pH is independent of concentration.

Explanation:

a) It is a mixture of a weak acid and its conjugate base. <em>TRUE. </em>A buffer is defined as a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid.

b) Resists pH changes because it reacts with added acid or base. <em>TRUE. </em>Thermodynamically, the reaction of added acid or base is faster with the buffer mixture than with H⁺ or OH⁻ ions of the solutions.

c) The maximum buffer capacity is at pH = pKa. <em>TRUE. </em>The buffer capacity is pka±1. For this, buffer capacity is maximum in pka.

d) pH is dependent on the solution ionic strength and temperature. <em>TRUE.</em> Ionic strength and temperature are factors that influence concentrations of ions in solutions as the H⁺ ion that is the responsible

e) pH is independent of concentration. <em>FALSE. </em>pH in a buffer depends completely of concentrations of the acid and its conjugate base or vice versa.

I hope it helps!

8 0
3 years ago
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