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Elanso [62]
3 years ago
13

What do sodium and magnesium have in common?

Chemistry
1 answer:
lara [203]3 years ago
7 0

Answer:

daddy will help

Explanation:

uhhhhhhhhhhhhhhhhhhh

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Compared to an atom of C-12, an atom of C-14 has
KonstantinChe [14]

Explanation:

Carbon-12 atoms have stable nuclei because of the 1:1 ratio of protons and neutrons.

Carbon-14 atoms have nuclei which are unstable. C-14 atoms will undergo alpha decay and produce atoms of N-14. Carbon-14 dating can be used to determine the age of artifacts which are not more than 50,000 years old.

8 0
3 years ago
You are given a sulfuric acid solution of unknown concentration. You dispense 10.00 mL of the unknown solution into an Erlenmeye
dmitriy555 [2]

Answer:

"0.053457 M" of sulfuric acid.

Explanation:

The given values are:

V = 10 mL solution

V_{added} = 12.20 mL

V_{total} = 22.20 mL

then,

M 0.103 M of NaOH,

V_{rinsed} = experiment  will not be affected

V_{total \ base} = 10.38 mL

Now,

⇒  mol of NAOH = MV

                            = 0.103\times 10.38

                            =  1.06914  \ m

Whether Sulfuric acid, then

⇒  H_{2}SO_{4} + 2NaOH = Na_{2}SO_{4} + 2H_{2}O

⇒  mol \ of \ acid =\frac{1}{2}\times \ mol \   of  \ base

⇒  1.06914 \ m \ mol \ of \ base = \frac{1}{2}\times 1.06914 = 0.53457 \ m \ mol \ of \ acid

Before any dilution:

V_{sample} = 10  \ mL

⇒  M \ acid = \frac{m \ mol}{V}

                 =\frac{ 0.53457 }{10}

                 =0.053457 \ M (Sulfuric acid)

6 0
3 years ago
What are the names of the components (each shown with a leader and a line) of a circuit shown in the diagram?
Viktor [21]
It was a power supply of a circuit that was horizontal of the ladder where they controlled the circuit.
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4 years ago
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Svetllana [295]

Answer:

D

Explanation:

5 0
3 years ago
HELP IM TIMED!!!!!!!!!
victus00 [196]

Answer:

A. 1.3 bison/mi^2

Explanation:

4500 bison divided by 3472 sq miles is 1.3 bison per mile squared.

7 0
3 years ago
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