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ratelena [41]
2 years ago
13

Desperate Please Hurry

Chemistry
2 answers:
Zepler [3.9K]2 years ago
8 0

Answer:

Explanation:

Are there any awnser choices?

iragen [17]2 years ago
8 0
Many believed that since the moon and sun were a circle or round shape they believed that’s also how the earth was shaped. Hope this can help!
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Please help!! any inappropriate answers will be reported
valina [46]
When the total surface area of the solute particles is increased, the solute dissolves more rapidly. Breaking a solute into smaller pieces increases its surface area and increases its rate of solution. So, any answer with “as surface area increases, solid dissolves faster” would be correct. :)
6 0
3 years ago
Which type of reaction always has an element and a compound as reactants?
ladessa [460]

Answer:

B. single-replacement

Explanation:

8 0
3 years ago
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What is the pH of a 0.00001 M solution of HCI?
ale4655 [162]

Answer:

0.00001= 1 x 10^-5. Since HCl is an acid, 1 x10^-5 is the H+ concentration. Write only the number of the exponent. Therefore, pH = 5.

5 0
2 years ago
2H2 + O2 --> 2H2O can be classified as what type of reaction?
Sveta_85 [38]
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Key: O2
O2 is normally in a chemical formula when you are used to burn anything, so basically, anything with O2 involves burning.
5 0
3 years ago
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Is salt water solution a homogeneous mixture
GuDViN [60]

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yes, it is a homogeneous mixture because the different parts cannot be seen.

Explanation:

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