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miss Akunina [59]
3 years ago
7

Can someone help please I will mark brainylest

Chemistry
1 answer:
Kryger [21]3 years ago
7 0

Answer:10,500

Explanation:

Multiply all the following except where it says mw=70.9, then divide 70.9 by the sum of multiplying!!

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How is primary selection different from secondary succession?
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Answer:

Explanation:

Primary and secondary succession occur after both human and natural events that cause drastic change in the makeup of an area. Primary succession occurs in areas where there is no soil and secondary succession occurs in areas where there is soil.

In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area previously occupied by living things is disturbed—disrupted—then recolonized following the disturbance.

Hope this helped :)

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2 years ago
Rate how successful you were at using Active Reading skills by responding to the following statement: As i read, i paid attentio
Aleksandr-060686 [28]

It is possible to rate your active reading skills either by using a number is a specific rate or by using a word that qualifies your performance.

<h3>What are active reading skills?</h3>

Active reading skills are a set of skills that help you read actively; this means skills to effectively read a text and understand it.

<h3>How to rate your reading skills?</h3>

In this case, you are asked to rate your ability to pay attention to your understanding, thoughts, and questions while reading. To do this you can:

Rate using numbers:

  1. Select a specific scale rating such as 1 to 5 or 1 10.
  2. Analyze honestly if you used this ability while reading the text.
  3. Give yourself a number. For example, if you apply this skill only sometimes while reading you can rate yourself 5 out of 10.

Rate using words:

  1. Select the types of words that you will use, the most common ones are frequency words such as always, sometimes, and never.
  2. Analyze honestly your performance.
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Learn more about rate in: brainly.com/question/2278897

8 0
2 years ago
Students in class argue about whether salt (NaCl) or water (H2O) has stronger intramolecular forces. Which argument is BEST?
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Since intermolecular forces is stronger in a solid than a liquid, then NaCl has stronger intermolecular forces than H2O.

Intermolecular forces exists between molecules of the same or different kinds. Water has a dipole moment hence it can interact effectively with the ions in NaCl. This leads to an ion dipole interaction that results in the dissolution of NaCl in H2O.

NaCl is a solid and water is a liquid. Since intermolecular forces is stronger in a solid than a liquid, then NaCl has stronger intermolecular forces than H2O.

Hence, the best argument that compares the intermolecular interactions in water and NaCl is; salt is a solid and water is a liquid, so water has stronger intramolecular forces.

Learn more: brainly.com/question/12108425

6 0
2 years ago
What is the ph of 0.09m solution of HBr​
fomenos

Answer: 1.05

Explanation:

On ionization, hydrobromic acid completely dissociates into hydrogen ion and bromine ion. The equation is stated below

HBr <--> H+ + Br-

Recall that pH = - log(H+)

Concentration of hydrogen ion (H+) = 0.09M

So, pH = - log (0.09)

pH = - (-1.05)

pH = 1.05

The pH of 0.09M solution of HBr is 1.05. Thus, it is highly acidic.

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3 years ago
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Considering you should look and not touch in museums... A.
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