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Nimfa-mama [501]
3 years ago
12

Define position and reference point in your own words. Dont copy and paste!

Chemistry
1 answer:
irga5000 [103]3 years ago
4 0

Answer: The beginning stage you decide to depict the area, or position, of an object.

Explanation: starting point or position

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Why melting and boiling points can be used as a way to check purity?​
jekas [21]

Answer: Let's see why

Pure solid and liquid compounds possess sharp melting and boiling points. Therefore, melting and boiling points of a compound can be used as a criteria of purity. ... Sometimes during cooling minute quantity of the substance (solid which is being purified) is added to the solution to facilitate the initial crystallisation.

Explanation:

6 0
2 years ago
3. A reaction produces 14.2 grams of a product. The theoretical yield of that product
nlexa [21]

A reaction that produces 14.2 grams of a product and the theoretical yield of that product is 17.1 grams is true for the following statements :

The percent yield of the product is 83.0%

The actual yield of the product is 14.2 grams.

<h3>Percentage Yield:</h3>

Percent yield is the percent ratio of actual yield to the theoretical yield.

Mathematically,

percent yield = actual yield / theoretical yield x 100%

actual yield = 14.2 grams

theoretical yield = 17.1 grams

percentage yield = 14.2 / 17.1 × 100%

percentage yield = 83.0409356725 %

percentage yield = 83.0 %

Therefore,

The percent yield of the product is 83.0%

The actual yield of the product is 14.2 grams.

learn more on percentage yield here; brainly.com/question/4180677

3 0
3 years ago
Which elements consists of a metal a matalloid and a noble gas
maw [93]
The answer is sodium silicon and argon
4 0
3 years ago
Chemical ____ are used to represent compounds ​
cupoosta [38]

Answer:

Its formula :)

Explanation:

hope this helps <3

3 0
3 years ago
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What is the chemical symbol for iron
Genrish500 [490]
The atomic symbol for Iron is Fe, as the Latin word for Iron is <em>ferrum</em>.
7 0
3 years ago
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