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Nadusha1986 [10]
3 years ago
5

The diagram shows a simple model of an event that is part of the rock cycle. image Which type of event is most likely occurring

in the diagram?
A. the compacting of layers by high pressure and heat that leads to metamorphic rock
B. the cementing of layers of sediment particles that leads to sedimentary rock
C. the melting of sediment particles that leads to igneous rock
D. the hardening of liquid magma that leads to igneous rock
Chemistry
1 answer:
Bezzdna [24]3 years ago
5 0

Answer: D. the hardening of liquid magma that leads to igneous rock

Explanation:

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What is the difference between boiling point and normal boiling point?​
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Answer:

The boiling point is the temperature at which the vapor pressure equals the pressure of gas.

The normal boiling point is the temperature at which the vapor pressure equals one atmosphere

Explanation:

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3 years ago
What physical or chemical properties would help identify a salt as containing a transition metal ion?
sasho [114]
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8 0
3 years ago
Notice that "SO4" appears in two different places in this chemical equation. SO42− is a polyatomic ion called "sulfate." What nu
masya89 [10]

Answer : The number placed in front of CuSO_4 should be, three (3).

Explanation :

Balanced chemical reaction : It is defined as the number of atoms of individual elements present on reactant side must be equal to the product side.

The given unbalanced chemical reaction is,

CaSO_4+AlCl_3\rightarrow CaCl_2+Al_2(SO_4)_3

This chemical reaction is an unbalanced reaction because in this reaction, the number of atoms of chloride and sulfate ion are not balanced.

In order to balanced the chemical reaction, the coefficient 3 is put before the CuSO_4, the coefficient 2 is put before the AlCl_3 and the coefficient 3 is put before the CaCl_2.

Thus, the balanced chemical reaction will be,

3CaSO_4+2AlCl_3\rightarrow 3CaCl_2+Al_2(SO_4)_3

Therefore, the number placed in front of CuSO_4 should be, three (3).

5 0
4 years ago
Consider the chemical equation for the ionization of CH3NH2 in water. Estimate the percent ionization of CH3NH2 in a 0.050 M CH3
anyanavicka [17]

Answer:  The percent ionization of CH_3NH_2 in a 0.050 M CH_3NH_2(aq) solution is 8.9 %

Explanation:

CH_3NH_2+H_2O\rightarrow OH^-+CH_3NH_3^+

 cM                            0             0

c-c\alpha                       c\alpha            c\alpha

So dissociation constant will be:

K_b=\frac{(c\alpha)^{2}}{c-c\alpha}

Give c= concentration = 0.050 M and \alpha = degree of ionisation = ?

K_b=4.4\times 10^{-4}

Putting in the values we get:

4.4\times 10^{-4}=\frac{(0.050\times \alpha)^2}{(0.050-0.050\times \alpha)}

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8 0
3 years ago
Which of the following is a type of electromagnetic radiation?
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A type of electromagnetic radiation would be electromagnetic waves
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