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Sliva [168]
3 years ago
7

Explain why magnesium and aluminium react in a similar way?

Chemistry
1 answer:
postnew [5]3 years ago
3 0
Because magnesium loses its electrons easily than aluminum
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What type of climate conditions are needed to form coal deposits.
guajiro [1.7K]

Answer:

Subbituminous coal can form at temperatures as low as 35 to 80 °C (95 to 176 °F) while anthracite requires a temperature of at least 180 to 245 °C (356 to 473 °F).

Sub-types: Cannel coal

Child material class: Lignite

Explanation:

6 0
2 years ago
We apply the same amount of energy to 10.0-g samples of aluminum, iron, and silver which begin at the same temperature.
maw [93]

Answer:

Explanation:

A sound knowledge of specific heat capacity of the metals is required in this case.

The specific heat capacity of a metal is the quantity of heat required to the raise the temperature of a unit mass of it by 1°C.

It is related to quantity of heat using the expression below;

               H   =   m  c  Δt

where m is the mass

            c is the specific heat capacity

            Δt is the temperature change

let us make the specific the subject of the expression;

                     c  = \frac{H}{m x change in temperature}

we can see that there is an inverse relationship between specific heat and temperature change.

The specific heat capacity of a body is an intensive property that is unique to the metal.

   The higher the specific heat capacity, the lower the amount of temperature change in it.

Let us find the specific heat capacity of the given metals;

 Aluminium     0.897J/gK

 Iron                 0.412J/gK

 Silver               0.24J/gK

 After the heat is supplied,

      Silver >  Iron > Aluminium in terms of temperature change

 

7 0
2 years ago
CHEM HELP PLZZZZ!!!!!
earnstyle [38]

Answer:

1. acid

2. neutral

3. acid

4. base

5. acid

6. base

7. neutral

8. acid

9. base

10. base

Explanation:

I'm not 100 percent positive about number three but the rest I believe are correct

3 0
2 years ago
Read 2 more answers
Which of the following is most likely to be found in a crystalline structure
aev [14]
The correct answer is letter D: Quartz.
5 0
3 years ago
What is the oxidation state of each individual carbon atom in c2o42−?
MA_775_DIABLO [31]

Answer:

+3

Explanation:

The oxygen all have a -2 oxidation state. (peroxides are exceptions)

The chemical structure is symmetrical. Both carbon are equivalent.

2 (oxidation state of carbon) + 4 (oxidation state of oxygen) = charge of ion.

2 (oxidation state of carbon) + 4 (-2) = -2

oxidation state of carbon = +3

7 0
2 years ago
Read 2 more answers
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