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irina1246 [14]
2 years ago
14

Please help me out i'm new here but i really need help for science (if you need help with any hw like ela i can help!) (50 point

s) ima give more out in my other questions this is the 2 question make sure go to the first one!
Question 6 Slide 8 Pg 153 (image 1)
Is it...?? Choose one (check the image to see the questions and question answers)
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Question 7 Slide 8 Pg 153 * (image 1)
Is it...?? Choose one (check the image to see the questions and question answers)
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Question 8 Slide 8 Pg 153 * (image 1)
State the independent variable in this investigation?

Question 18 Slide 11 Pg 158 (image 2)

Is it...?? Choose one (check the image to see the questions and question answers)
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2.
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Question 19 Slide 11 Pg 158 (image 2)
Is it...?? Choose one (check the image to see the questions and question answers)
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Question 20 Slide 11 Pg 158 (image 2)

Is it...?? Choose one (check the image to see the questions and question answers)
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Chemistry
1 answer:
andrezito [222]2 years ago
6 0
Q6. 3
Q7. 3
Q8. pH
Q18. 3
Q19. 3
Q20. 4
Hope this helped??
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Who is responsible for proposing an influential model of working memory featuring a three-part system that allows individuals to
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The person in charge is: "Alan Baddeley."

Explanation:

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3 years ago
Explain how liquid can enter the gas phase without reaching its boiling point
ioda
Evaporation is a phase transition from the liquid phase to the gas phase that occurs at temperatures below the boiling point at a given pressure.

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4 0
3 years ago
What is the pH of a solution with an H3O+ concentration of 5.67 x 10-4 M?
Valentin [98]

Answer:

<h2>3.25 </h2>

Explanation:

The pH of a solution can be found by using the formula

pH = - log [ { H_3O}^{+}]

From the question we have

ph =  -  log(5.67 \times  {10}^{ - 4} )  \\  = 3.2464

We have the final answer as

<h3>3.25 </h3>

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3 0
3 years ago
Which element will only gain one electron during a chemical reaction?
Gelneren [198K]

Halogens

Explanation:

Halogens are a group of non-metals located in the seventh group on the periodic table. The will only gain one electron during a chemical reaction.

  • Halogens have a seven electrons in their outermost shell.
  • To complete the number of electrons in this shell, they need to gain an additional electron.
  • One more electron makes the halogen similar to the corresponding noble gas which is very stable.
  • Halogens are very reactive groups of elements and are highly electronegative.
  • They have a high affinity for electrons.
  • These elements are fluorine, chlorine, bromine, iodine and Astatine.

learn more:

Halogens brainly.com/question/6324347

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7 0
3 years ago
What causes normal red blood cells to shrink
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On the off chance that the red blood cells are smaller than ordinary, this is called microcytic anemia. The significant reasons for this sort are low-level iron, anemia, thalassemia.

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3 years ago
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