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2 years ago

A material resource is a renewable resource that is used to make objects.. true or false ?

Chemistry

2 answers:

spin [16.1K]2 years ago

5 0

Answer:

Renewable resources include biomass energy (such as ethanol), hydropower, geothermal power, wind energy, and solar energy. Biomass refers to organic material from plants or animals.

so its false

Contact [7]2 years ago

3 0

Answer:

True

Explanation:

Material resources are materials found in the natural world that have practical use and value for humans. Material resources include wood, glass (which comes from sand), metals, edible plants, and plastics (which are made from natural chemicals). Renewable material resources, like glass, can be re-created easily.

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Chemistry! help! please!

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It would be 187 75 Re since 76 - 1 is 75 and number 2 would be beta particle and a positron.

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3 years ago

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Mariulka [41]

Answer:

1. answer is subcutaneous tissue 2. answer is spleen

Explanation:

The subcutis is also known as the hypodermis or subcutaneous layer, and functions as both an insulator, conserving the body's heat, and as a shock-absorber, protecting the inner organs.

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2 years ago

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One of a frogs biggest defense is a. Eyesight b. Camoflauge c. Ability to swim

Serhud [2]

Answer:

Your answer has to be B. Camouflage

Explanation:

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2 years ago

At 100.0∘C, the ion product of water is 5.13×10−13. What is the concentration of hydroxide ions at this temperature? Your answer

Trava [24]

Answer: The concentration of hydroxide ions at this temperature is $7.16\times 10^{-7}$

Explanation:

When an expression is formed by taking the product of concentration of ions raised to the power of their stoichiometric coefficients in the solution of a salt is known as ionic product.

The ionic product for water is written as:

$K_w=[H^+][OH^-]$

$5.13\times 10^{-13}=[H^+][OH^-]$

As $[H^+]=[OH^-]$

$5.13\times 10^{-13}=x^2$

$x=7.16\times 10^{-7}$

The concentration of hydroxide ions at this temperature is $7.16\times 10^{-7}$

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2 years ago

What is the chemical equation from table salt made from baking soda

bagirrra123 [75]

NaHCO₃ + HCl → NaCl + H₂O + CO₂

<u>Explanation:</u>

NaHCO₃ + HCl → NaCl + H₂O + CO₂

When Sodium bi carbonate (NaHCO₃) reacts with hydrochloric acid (HCl), it forms table salt (NaCl), water ( H₂O ) and Carbon di oxide (CO₂) gas is evolved.

Here base reacts with acid to form salt and it is the neutralization reaction.

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3 years ago