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xxTIMURxx [149]
3 years ago
9

Identify the type of molecule shown in the picture

Chemistry
1 answer:
BlackZzzverrR [31]3 years ago
7 0
1) acid
2) ether
3) ester
4) aldehyde 
5) ketone
6) amine 
7) alcohol 
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What is used to determine the number of each atom in an ionic formula?
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the oxidation state of each atom

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Which pair could be spectator ions?<br> (PLEASE HELP!)
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● Human blood has a hydrogen ion concentration is 10-7.4 mol/L. What is the pH of the blood?
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2 years ago
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Given 200ul of a 0.5mg/ml stock solution of BSA, how much do you pipet into a test tube so that you are adding 5ug of BSA to the
Trava [24]

<u>Answer: </u>10\mu L of volume needs to be pipetted out in the test tube.

<u>Explanation:</u>

We are given:

Mass of BSA to be formed = 5\mu g=0.005mg      (Conversion factor: 1mg=1000\mu g

Volume of stock solution = 200\mu L=0.2mL    (Conversion factor: 1mL=1000\mu L

It is also given that for the mass of BSA is 0.5 g, the volume used up is 1 mL

In order to have, 0.005 g, the volume of stock solution needed will be = \frac{1mL}{0.5g}\times 0.005g=0.01mL=10\mu L

Hence, 10\mu L of volume needs to be pipetted out in the test tube.

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3 years ago
What is the ratio of molecules in: <br> CH4 + 2O2 -&gt; CO2 + 2H2O
nalin [4]

Answer:

1:2:1:2

Explanation:

A molecule is made up of aggregates of small particles called atoms.

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From the reaction above we have: 1 molecule of methane CH₄ reacting with 2 molecules of oxygen gas O₂ to produce 1 molecule of carbon dioxide gas CO₂ and 2 molecules of H₂O:

                   CH₄ + 2O₂ → CO₂ + 2H₂O

                      1    :     2   :     1      :     2    

5 0
3 years ago
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