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kondor19780726 [428]
2 years ago
5

C= 51.89% H= 9.82% Br=38.29%

Chemistry
1 answer:
maks197457 [2]2 years ago
3 0

Answer:

a

Explanation:

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A sample of nitrogen occupies a volume of 250 mL at 25 oC. What volume will it occupy at 95 oC?
Volgvan

Answer:

308.7 mL

Explanation:

V1/T1 =V2/T2           T must be in K units

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Suppose you increase your walking speed from 7 m/s to 12 m/s in a period of 2 s. What is your acceleration?
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3 years ago
Which reaction occurs at the cathode of a lead-storage battery that is being recharged?
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Reaction on positive electrode (cathode):
PbSO₄₍s₎ + 2H₂O₍l₎ → 2e⁻ + PbO₂₍s₎ + 4H⁺₍aq₎ + SO₄²⁻₍aq₎.
s - solid.
l - liquid.
aq - dissolve in water.
PbSO4 is converted to Pb at one electrode (anode) and to PbO₂ at the other (cathode). Lead battery can be recharged, during recharging, an external source of energy is used.
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3 years ago
Pickle is not stored in the metal vessel for long time.why?​
larisa86 [58]

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Ummm a pickle is stored in glass container usually in the fridge

Explanation:

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5 0
1 year ago
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Gustave-Gaspard Coriolanus described this type of energy
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