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Pani-rosa [81]
3 years ago
7

If a solution has a POH = 2, what is the [OH-]? *

Chemistry
1 answer:
kkurt [141]3 years ago
7 0

Answer:

.

Explanation:

.

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A 1.2 kg block of iron at 32 ∘C is rapidly heated by a torch such that 12 kJ is transferred to it. What temperature would the bl
lbvjy [14]

Answer:

For iron

Final temperature = 54,22°C

For copper

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Explanation

Hello,

You are using a torch to warm up a block of iron that has an initial temperature of 32°C.

The first you have to know is that the "heat capacity" could simply define as the heat required to go from an initial temperature to a final temperature.

So you need to use the heat capacity equation as follow in the paper.

The equation has to have all terms in the same units, so:

q = 12000 J

s = 0.450 J / g °C

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Answer:

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In the periodic table of elements, there are seven horizontal rows of elements called periods. The vertical columns of elements are called groups, or families. (See also The Periodic Table: Metals, Nonmetals, and Metalloids.) In each period (horizontal row), the atomic numbers increase from left to right.

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4 years ago
Force = 2.32 N<br> Acceleration = 0.19 m/s2<br> Mass= ?
pochemuha

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