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4 years ago

Need a lil help here

Chemistry

2 answers:

Step2247 [10]4 years ago

7 0

OKKKKKKKKKKKKKKKKKKKKKK

harina [27]4 years ago

5 0

Answer:

im not the realest igga is the anwer

Explanation:

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The magnitude of an earthquake is its:

Umnica [9.8K]

Answer:

25 size or length.

<h2>26 P wave (primary wave)</h2><h2>27 P wave</h2><h2>28 Surface waves</h2><h2>29 Body waves</h2><h2>30 Epicentre </h2><h2>31 Epicentre </h2><h2>32 Oxidation</h2><h2>33 Mineral Fragments </h2><h2>34 C.</h2><h2>35 C.</h2><h2>36 Transpiration.</h2><h2>37 . infiltration </h2><h2>38. 0.3</h2><h2>39.C</h2><h2>40.D.</h2><h2>41.D.</h2><h2>42.B.</h2><h2>4 3 . weathering </h2>

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3 years ago

What is a group in the periodic table of elements?

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Answer:

B. The elements that have similar densities and atomic sizes

Explanation:

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3 years ago

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For each given [H3O+] or [OH-], find the corresponding [OH-] or [H3O+] at 25°C.

-BARSIC- [3]

Answer:

a) [H3O+] = 1.00 E-10 M ⇒ [OH-] = 1.0 E-4 M

b) [H3O+] = 1.00 E-4 M ⇒ [OH-] = 1.0 E-10 M

c) [H3O+] = 9.90 E-6 M ⇒ [OH-] = 1.0 E-9 M

Explanation:

14 = pH + pOH
pH = - Log [H3O+]

a) [H3O+] = 1.00 E-10 M

⇒ pH = - Log(1.00 E-10) = 10

⇒ pOH = 14 - 10 = 4

⇒ 4 = - Log[OH-]

⇒ [OH-] = 1.0 E-4 M

b) [H3O+] = 1.00 E-4 M

⇒ pH = 4

⇒ pOH = 10

⇒ [OH-] = 1.0 E-10 M

c) [H3O+] = 9.90 E-6 M

⇒ pH = 5

⇒ pOH = 9

⇒ [OH-] = 1.0 E-9 M

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3 years ago

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Answer:

It's IF5. ................

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3 years ago

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Did you hear the one about a chemist who was reading a book about helium?

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Explanation:

1.H

2.E

3.C

4.O

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6.L

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8.U

9.T

10.P

11. N

12.T

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3 years ago