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3 years ago

Which of the following is an example of chemical weathering?

Chemistry

2 answers:

Oksanka [162]3 years ago

6 0

The answer would be d, acid rain

Tema [17]3 years ago

4 0

It is Acid Rain since animal activity and plant groth are not types of chemical weathering definetely with frost wedging being physical weathering.

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Which element has properties of both metals and nonmetals?

PilotLPTM [1.2K]

Metalloids have the properties of metals and nonmetals.

8 0

3 years ago

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Vesna [10]

From Q = mcΔΤ, the specific heat capacity, c, of the metal that was cooled is c = Q/mΔT = (-769 J)/(46.4 g)(30.0 °C - 101.0 °C) = 0.233 J/g °C. From the table, it appears that this is the specific heat capacity of silver. So, the metal is most like silver.

Note: The value for Q was written as a negative value in the equation as heat energy was given off by the metal when the metal was cooled (from the metal’s point of view, it’s losing heat energy).

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3 years ago

Is this equation balanced or unbalanced? C+02=CO2

LenKa [72]

This equation is balanced

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2 years ago

Which is NOT true of ionic bonding?

WARRIOR [948]

Answer:

D is wrong

Explanation:

it doesn't involves any kind of sharing of electrons

6 0

2 years ago

In a compound, such as CH3OH, how determine which is the central atom?

svetlana [45]

Answer:

Choose the least electronegative atom other than H.

Explanation:

A Lewis structure consists of terminal atoms and one or more central atoms.

H can be only a terminal atom because it can form only one bond.

So the central atom must be either C or O.

The central atom is the less electronegative atom: C.

So, start the Lewis structure with a central C atom.

Then attach an O atom to get C-O.

Finally, attach the H atoms.

The condensed formula often gives you a clue where they go.

The formula CH₃OH implies that there are 3 H atoms on C and one on O.

The connectivity of the atoms is then as in the diagram below.

3 0

3 years ago