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3 years ago

I need a description of the rock cycle

1 answer:

7 0

Answer: The rock cycle is a process in which rocks are continuously transformed between the three rock types igneous, sedimentary and metamorphic. ... If the sediments are buried under further layers of sediment, they can become lithified to produce a sedimentary rock. Magma is produced when rocks are melted. The rock cycle is a concept used to explain how the three basic rock types are related and how Earth processes, over geologic time, change a rock from one type into another. Plate tectonic activity, along with weathering and erosional processes, are responsible for the continued recycling of rocks. As the lava cools it hardens and becomes igneous rock. As soon as new igneous rock is formed, the processes of weathering and erosion begin, starting the whole cycle over again!

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What is a half-life in Chemistry?

makvit [3.9K]

Answer:

half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by emitting particles and energy), or, equivalently, the time interval required for the number of disintegrations per second of a radioactive ...

Explanation:

braniest

8 0

3 years ago

What is the answer to it

mr_godi [17]

what is the answer to what there is nothing here

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3 years ago

A sample of N2 gas in a flask is heated from 27 Celcius to 150 Celcius. If the original gas is @ pressure of 1520 torr, what is

Romashka [77]

Answer:

$\large \boxed{\text{B.) 2.8 atm}}$

Explanation:

The volume and amount are constant, so we can use Gay-Lussac’s Law:

At constant volume, the pressure exerted by a gas is directly proportional to its temperature.

$\dfrac{p_{1}}{T_{1}} = \dfrac{p_{2}}{T_{2}}$

Data:

p₁ = 1520 Torr; T₁ = 27 °C

p₂ = ?; T₂ = 150 °C

Calculations:

(a) Convert the temperatures to kelvins

T₁ = ( 27 + 273.15) K = 300.15 K

T₂ = (150 + 273.15) K = 423.15 K

(b) Calculate the new pressure

$\begin{array}{rcl}\dfrac{1520}{300.15} & = & \dfrac{p_{2}}{423.15}\\\\5.064 & = & \dfrac{p_{2}}{423.15}\\\\5.064\times423.15&=&p_{2}\\p_{2} & = & \text{2143 Torr}\end{array}\\$

(c) Convert the pressure to atmospheres

$p = \text{2143 Torr} \times \dfrac{\text{1 atm}}{\text{760 Torr}} = \textbf{2.8 atm}\\\\\text{The new pressure reading will be $\large \boxed{\textbf{2.8 atm}}$}$

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3 years ago

Which of the two substances would have the higher boiling point ch4 or c?

kifflom [539]

Carbon has a higher boiling point.

6 0

3 years ago

Devices that mix air or oxygen with flammable gasses cannot be used unless approved by

Feliz [49]

Flammable gases are gases that have the tendency to explode (burst into flames) when they come in contact with the appropriate quantities of air, oxygen, or any suitable oxidant.

Devices that mix air or oxygen with flammable gasses cannot be used unless approved by an authorized or approved personnel.

Examples of flammable gases are hydrocarbons such as Propane, Acetylene, e.t.c.

Flammable gases are dangerous to humans and the environment and if they are not handled properly, can cause severe damages and even death.

During the preparation and usage of flammable gases, safety precautions should be properly enforced such as the wearing of appropriate safety gear and goggles.

Devices that mix air or oxygen with flammable gases cannot be used unless approved by an authorized or approved personnel.

To learn more, visit the link below:

brainly.com/question/3702349

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3 years ago