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Tamiku [17]
2 years ago
6

Is Pb --> PbSO4 reduction half reaction?​

Chemistry
1 answer:
Temka [501]2 years ago
7 0

Answer:

No its is the oxidation half

Explanation:

Because Pb lost 2e^{-}

and oxidation is losing, I abbreviate it in (OIL) not oil that used in kitchen

OIL=Oxidation Is Losing electrons

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Which elements can be magnetic? Question 35 options: A) Iron, Carbon, and Gold B) Cobalt, Nickel, and Iron C) Nickel, Gold, and
Alexxandr [17]

Answer:

B. is the correct answer. Plz mark as brainliest if helpful.

Explanation: Gold is not magnetic, so A. and B. are wrong

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3 years ago
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Which of the following causes tornadoes
Shkiper50 [21]

Cool dry air meeting warm Moist air

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A 100 W light bulb is placed in a cylinder equipped with a moveable piston. The light bulb is turned on for 2.0×10−2 hour, and t
drek231 [11]

Answer:

(a) ΔU = 7.2x10²

(b) W = -5.1x10²

(c) q = 5.2x10²

Explanation:

From the definition of power (p), we have:

p = \frac {\Delta W}{\Delta t} = \frac {\Delta U}{\Delta t} (1)

<em>where, p: is power (J/s = W (watt)) W: is work = ΔU (J) and t: is time (s) </em>  

(a) We can calculate the energy (ΔU) using equation (1):

\Delta U = p \cdot \Delta t = 100 \frac{J}{s} \cdot 2.0\cdot 10^{-2} h \cdot \frac{3600s}{1h} = 7.2 \cdot 10^{2} J  

(b) The work is related to pressure and volume by:

\Delta W = -p \Delta V

<em>where p: pressure and ΔV: change in volume = V final - V initial      </em>

\Delta W = - p \cdot (V_{fin} - V_{ini}) = - 1.0 atm (5.88L - 0.85L) = - 5.03 L \cdot atm \cdot \frac{101.33J}{1 L\cdot atm} = -5.1 \cdot 10^{2} J

(c) By the definition of Energy, we can calculate q:

\Delta U = \Delta W + \Delta q

<em>where Δq: is the heat transfer </em>

\Delta q = \Delta U - \Delta W = 7.2 J - (-5.1 \cdot 10^{2} J) = 5.2 \cdot 10^{2} J    

I hope it helps you!  

6 0
3 years ago
PLZ HELP! Which of the following statements is true?
Sindrei [870]
<span>1. over thrust plate boundary
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3. building a bridge
4.hurricanes
5.They can move even if there is no earthquake
6.core, asthenosphere, lithosphere
7.transform (?)
8.10x
9.lithosphere
10.deep crack in the earth's crust
11.?
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4 0
3 years ago
Does gasoline (C8H12) have polar or non-polar molecules?
Archy [21]

Answer:

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3 0
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