Define renewable and nonrenewable resources and give 3 examples

1 answer:

4 0

Renewable resources are resources that can be used repeatedly. Examples are wood, wind power, and solar energy.

Nonrenewable resources are resources that cannot be replaced naturally. Examples are oil, coal, and minerals.

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What makes a glass different from a solid such as quartz? Under what conditions could quartz be converted into glass?

UNO [17]

Answer: arrangement of constituent particles makes glass diff. from quartz. Glass-short range order of particles.
Quartz-Long range of particles.

If quartz is heated and cooled rapidly it can be converted to glass.

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2 years ago

Melting butter is a physical change. Which best describes what is happening?

vlabodo [156]

Melting butter is a physical change. The statement that best describes what is happening is that the butter contains a new arrangement of atoms.

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3 years ago

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Dalton law states that the partial pressure of a gas in a mixture of gases is _____ to the total pressure of the mixture.

OLEGan [10]

Answer:

Dalton law states that the partial pressure of a gas in a mixture of gases is equal to the total pressure of the mixture.

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2 years ago

a. Calculate the pH of a solution that has [H3O+]= 4.3 x 10-5 M. b. Is the solution acidic or basic? How do you know?

Luda [366]

Answer:

* $pH=4.37$

* The solution is acidic since the pH is below 7.

Explanation:

Hello,

In this case, we can mathematically define the pH by:

$pH=-log([H_3O^+])$

Thus, for the given hydronium concentration we simply compute the pH:

$pH=-log(4.3x10^{-5})=4.37$

Thereby, we conclude the solution is acidic due to the fact that the pH is below 7 which is the neutral point and above it the solutions are basic.

Regards.

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3 years ago

Enter your answer in the provided box.

nexus9112 [7]

Answer:

V₂ = 50.93 L

Explanation:

Initial volume, $V_1=43.1\ L$