Answer:
Increase the turns of the wire
Explanation:
By increasing the number of turns the wire has made, you are increase the inductive power of the coil in the generator, thereby giving rise to the output of the generator.
CrI₃ (aq) + 3 KOH (aq) → Cr(OH)₃ (s) + 3 KI (aq)
Explanation:
The chemical reaction between chromium (III) iodide (CrI₃) and potassium hydroxide (KOH):
CrI₃ (aq) + 3 KOH (aq) → Cr(OH)₃ (s) + 3 KI (aq)
where:
(aq) - aqueous
(s) - solid
The reaction will produce solid chromium(III) hydroxide (Cr(OH)₃) and KI aqueous potassium (KI).
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problems with chromium(III) salts
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The three similarities are hydrogen is produces, metal floats and move around the water, and metal disappeared. The difference is potassium is more reactive than lithium.
When metal reacts with water, hydrogen and metal hydroxide is produced.
Potassium is more reactive than lithium.
Alkali metals are also reactive with water.
The metal self ignites.
Thus, the three similarities are hydrogen is produces, metal floats and move around the water, and metal disappeared. The difference is potassium is more reactive than lithium.
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Answer:
9.93
Explanation:
Your value for Kw is incorrect. The correct value is 5.48 × 10^-14.
pH + pOH = pKw
3.30 + pOH = -log(5.84 × 10^-14) = 13.23
pOH = 13.23 - 3.30 = 9.93
The pOH of the solution is 9.93.
The pOH of the solution is 10 .
Given that, the pH of the solution is 3.30, we also know that;
pH = - log[H^+]
Hence;
[H^+] = Antilog (-3.3)
[H^+] = 5.0 × 10^-4 M
But;
Kw = [H^+] [OH^-]
[OH^-] = Kw/[H^+]
The accurate value of Kw is 5.48 × 10^-14 not 5.48 x 10 9
[OH^-] = 5.48 x 10^-14/ 5.0 × 10^-4
[OH^-] = 1.1 x 10^-10 M
pOH = - log[1.1 x 10^-10 M]
pOH = 10
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A. 1,2,1
B. 1,2,2
C. 2,1,2
D. 1,1,2
Answer:
B
Explanation:
1,2,2
we O2 then we supposed to balance the one that will give Mg+O2-2MgO
When the sun shines equally on both hemispheres, it is called the equinox.
An equinox is defined as an event in which a planet’s subsolar point passes through the Equator. The equinoxes are the time when both the Northern and Southern Hemispheres experience equal amounts of daytime and nighttime.
There are two equinoxes that take place in a year - the spring equinox and the autumn equinox. During these times, the Earth's axis is not tilted towards or away from the sun which results in equal amounts of daylight and darkness in both the Northern and Southern Hemispheres. The spring equinox marks the beginning of spring season in the Northern Hemisphere, while the autumn equinox marks the beginning of autumn in the Southern Hemisphere.
Thus, when the sun shines equally on both hemispheres, it is called the equinox.
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