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Romashka-Z-Leto [24]
3 years ago
12

Igneous rock can _____ to form metamorphic rock.

Chemistry
2 answers:
Ne4ueva [31]3 years ago
3 0

Hello,

Question- Igneous rock can _____ to form metamorphic rock.


A. melt


B. harden


C. heat up


D. weather

Answer- Your answer is C. Heat up

Why- Any rock can become any rock igneous metamorphic or even condemnatory just by heating up but when it melts it becomes lava and the rock cycle starts all over again.

Important- If my answer was enough to help uou please mark me as Brainliest, Leave a thanks, and Rate my answer 5 stars thank you and have the best day ever!

garri49 [273]3 years ago
3 0

Answer:

c because it is the only one that makes since

Explanation:

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The half-life of radium-226 is 1590 years. if a sample contains 100 mg, how many mg will remain after 1000 years?
AlladinOne [14]

Answer:

64.52 mg.

Explanation:

The following data were obtained from the question:

Half life (t½) = 1590 years

Initial amount (N₀) = 100 mg

Time (t) = 1000 years.

Final amount (N) =.?

Next, we shall determine the rate constant (K).

This is illustrated below:

Half life (t½) = 1590 years

Rate/decay constant (K) =?

K = 0.693 / t½

K = 0.693/1590

K = 4.36×10¯⁴ / year.

Finally, we shall determine the amount that will remain after 1000 years as follow:

Half life (t½) = 1590 years

Initial amount (N₀) = 100 mg

Time (t) = 1000 years.

Rate constant = 4.36×10¯⁴ / year.

Final amount (N) =.?

Log (N₀/N) = kt/2.3

Log (100/N) = 4.36×10¯⁴ × 1000/2.3

Log (100/N) = 0.436/2.3

Log (100/N) = 0.1896

Take the antilog

100/N = antilog (0.1896)

100/N = 1.55

Cross multiply

N x 1.55 = 100

Divide both side by 1.55

N = 100/1.55

N = 64.52 mg

Therefore, the amount that remained after 1000 years is 64.52 mg

7 0
3 years ago
Naming ionic compounds what are the structural units that make up ionic compounds and how are they named answers
Marizza181 [45]
Ionic compounds are the combination of two elements, one of which is a metal, while the other is a nonmetal. The intermolecular forces binding them is called an ionic bond. To name an ionic compound, take the name of the metal element first, followed by the nonmetal, but adding the suffix -ide. For example, NaCl is named as sodium chloride.
8 0
3 years ago
What is the boiling point of a 1.5 m aqueous solution of fructose? the boiling point elevation constant of water is 0.515°c/m.
GREYUIT [131]
Answer is: <span>he boiling point of a 1.5 m aqueous solution of fructose is </span>100.7725°C.
The boiling point elevation is directly proportional to the molality of the solution according to the equation: ΔTb = Kb · b.<span>
ΔTb -  the boiling point elevation.
Kb - the ebullioscopic constant. of water.
b - molality of the solution.
Kb = 0.515</span>°C/m.
b = 1.5 m.
ΔTb = 0.515°C/m · 1.5 m.
ΔTb = 0.7725°C.
Tb(solution) = Tb(water) + ΔTb.
 Tb(solution) = 100°C + 0.7725°C = 100.7725°C.
5 0
3 years ago
What is the volume of 60 g of ether if the density of ether is 70 g/mL
NNADVOKAT [17]
V = 60.0 g/ 0.70 g/mL = 85.7 mL Hope this helps! ;D
4 0
3 years ago
What is the shape of name of Co2
Gennadij [26K]

Answer:

The shape is called a <em><u>Linear</u></em><em><u> </u></em><em><u>shape</u></em>

The molecule is called <em><u>Carbon dioxide</u></em><em><u> </u></em><em><u>molecule</u></em><em><u>.</u></em>

Explanation:

The shape is linear because of the strong repulsive force between the lone pairs

4 0
3 years ago
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