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Lady bird [3.3K]
3 years ago
15

Which component is an example of scientific law?

Chemistry
1 answer:
Hitman42 [59]3 years ago
4 0

D. Gravity is a dent in the fabric of space and time.

or

B. Radium is a radioactive element.

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When a diprotic acid, , is titrated with , the protons on the diprotic acid are generally removed one at a time, resulting in a
marshall27 [118]

Answer:

At the second equivalent point 200 mL of NaOH is required.

Explanation:

at the first equivalent point:

                              H2A    +     OH-       =     HA-  +     H2O

initial mmoles        y*100         y*100            -                -

final mmoles            0                0                 y*100       y*100

at the second equivalent point:

                              HA-    +     OH-       =     A2-  +     H2O

initial mmoles        y*100         y*100            -                -

final mmoles            -                -                 y*100       y*100

at the second equivalent point we have that y*100 mmoles of NaOH or 100 mL of NaOH ir required, thus:

at the second equivalent point 200 mL of NaOH is required.

4 0
4 years ago
BRAINLIESTTT ASAP!!! PLEASE HELP ME :)
Mrac [35]

Answer:

Energy level (n = 4), d subshell (l = 2)  

Step-by-step explanation:

The number in 4d tells you the energy level of the subshell: n = 4.

The letter d gives you the secondary quantum number l.

Depending on its value, the letter gives you the shape of the orbital.

l = 0 corresponds to an s orbital (spherical)

l = 1 corresponds to a p orbital (dumb-bell shaped)

l = 2 corresponds to a d orbital (four four-leaf clovers + one that looks like a dumbbell with a doughnut around its middle)

5 0
3 years ago
In part 1 of lab 2 you will make and standardize a solution of naoh(aq). suppose in the lab you measure the solid naoh and disso
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3 years ago
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What is the OH- in a solution with a pOH of 5.17
harina [27]

Answer:

1 oxygen 1 hydrogen hydrogen peroxide I think

5 0
3 years ago
Which statement correctly describes a covalent bond?  The valence electrons are joined in a shell around the atoms. The valence
Vedmedyk [2.9K]
The valence electrons are shared between the atoms
4 0
4 years ago
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