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kiruha [24]
3 years ago
10

Are erasers made from rubber?

Chemistry
2 answers:
Sunny_sXe [5.5K]3 years ago
6 0
YES!
Most erasers are made from synthetic rubber
svlad2 [7]3 years ago
3 0
<span> Less expensive </span>erasers<span> are </span>made<span> from synthetic </span>rubber<span>, but more expensive or specialized </span>erasers<span> are vinyl, plastic, or gum-like materials </span>
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At what volume of added acid is the phph calculated by working an equilibrium problem based on the initial concentration and kbk
nikdorinn [45]

In an acid-base neutralization reaction, the equilibrium reaction would be between a weak base and its conjugate strong base. So, this must be the basis of the volume of added base.

<h3>What is pH ?</h3>

pH is used to measure whether the substance is acidic, basic or neutral and the range is 0 - 14.

<h3>What is Neutralization Reaction ? </h3>

Neutralization reaction is a chemical reaction in which an acid and a base react quantitatively with together.

Neutralization reaction equation:

Acid + Base → Salt + Water

Thus from the above conclusion we can say that In an acid-base neutralization reaction, the equilibrium reaction would be between a weak base and its conjugate strong base. So, this must be the basis of the volume of added base.

Learn more about the Neutralization reaction here: brainly.com/question/23008798

#SPJ4

3 0
2 years ago
write a sentence about the evidence for plate tectonics yielded from earthquakes,valcanoes, and age of sea floor.
gulaghasi [49]

Answer:

Fossils, Glaciers, Coastlines.

Explanation:

Evidence of plate tectonic theory are fossils, fossils of the same species were found oceans apart. also glaciers evidence of glaciers were found in places with warm climates. coastlines coastlines look like they fit in a puzzle.

5 0
3 years ago
What does semi-preamble mean
enyata [817]
Llowing certain substances to pass through it but not others, especially allowing the passage of a solvent but not of certain solutes.
3 0
3 years ago
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How do we know what earth’s interior is like below the deepest drill holes ???
anzhelika [568]
From rocks and lava and earthquakes
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3 years ago
In the reaction of 6 moles of CH4 with excess oxygen, how many moles of water could be produced? A. 4 B. 6 C. 8 D. 12
notsponge [240]
*brings you good news*

The answer is D. 12 

Hope i will help you angain sometime :)

~~~~~SoraKeyblader~~~~~
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