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sertanlavr [38]
2 years ago
15

The most prominent topographical feature of the ocean discovered in the 1960's was _____.

Chemistry
2 answers:
pychu [463]2 years ago
7 0
The moutain ridge which circles the earth.
daser333 [38]2 years ago
6 0

Answer:

subduction zones

Explanation:

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Whether a solution is acidic or basic can be measured on the pH scale. When universal indicator is added to a solution, the color change can indicate the approximate pH of the solution. Acids cause universal indicator solution to change from green toward red. ... Acidic solutions have a pH below 7 on the pH scale.

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What is formed by the hydrolysis of Starch?
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This substance consists of two or more different elements chemically combined
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The substance would be referred to as a compound substance.
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2 years ago
Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25 degrees Celsius over a right a
jolli1 [7]

Answer:

2 atm

Explanation:

Chemical reactions are carried out at a certain rate. Sometimes that rate is quite slow, so we want to speed things up, which is usually used by increasing temperature, increasing pressure or adding a catalyst (a substance that increases the rate without changing itself).

If this is the case, then, when writing a chemical equation, we state these special conditions over a right arrow.

Now let's look at the answers:

- 25°C is a value and unit of temperature

- ∆ is a symbol that denotes change

- 2 atm is a value and unit of pressure (atmosphere is old unit for pressure)

- Pt is a chemical symbol for platinum, an element often used as a catalyst.

So, the correct answer is C) 2 atm

7 0
3 years ago
Read 2 more answers
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