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Marina CMI [18]
3 years ago
9

What does the speed of seismic wave depend on

Chemistry
1 answer:
juin [17]3 years ago
6 0
Waves depends on density and elasticity of the medium
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3. Identify the 4 primary pigments found in plant leaves (name and color)
rodikova [14]
Chlorophyll: green
Anthocyanins: red
Carotene: orange.
Sorry I couldn’t find the 4th one
8 0
2 years ago
A 0.100 M oxalic acid, HO2CCO2H, solution is titrated with 0.100 M KOH. Calculate the pH when 25.00 mL of oxalic acid solution i
____ [38]

Answer:

pH = 4.09

Explanation:

molarity of oxalic acid in the solution

         = 0.1 x 25 / (25 + 35)

         = 0.0417 M

molarity of NaOH in the solution

          = 0.1 x 35 / (25 +35)

         = 0.0583 M

H2C2O4 + NaOH -------------------> NaHC2O4 + H2O

0.0417          0.0583                            0                0

0                      0.0166                         0.0417

now second acid -base titration  

NaHC2O4 + NaOH -------------------> Na2C2O4 + H2O

0.0417             0.0166                              0                0

0.0251                 0                                  0.0166         ---

now

pH = pKa2 + log [Na2C2O4 / NaHC2O4]

pH = 4.27 + log (0.0166 / 0.0251)

pH = 4.09

3 0
3 years ago
HCI
Alecsey [184]

Answer:

blood

Explanation:

D

5 0
3 years ago
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The fermentation of C6H12O6 will produce carbon dioxide and
Leokris [45]

Answer:

ethanol

Explanation:

CO2 is carbon dioxide

C2H5OH is ethanol and we know that because that is what is left after taking out the CO2

5 0
2 years ago
What needs more gas a heavealy loaded truck or an empty truck
Vitek1552 [10]
A heavily loaded truck takes more gas because it takes more power to move a heavy load. 
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3 years ago
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