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goldenfox [79]
3 years ago
9

The element sodium occurs naturally as a light solid with shiny metallic appearance. The diagram shows what will happen when a p

iece of pure sodium is placed in water. This indicates rat the properties of the element in the saw column on te periodic table as sodim have
Chemistry
1 answer:
Zepler [3.9K]3 years ago
4 0

Answer:

asdfghjkl;'

Explanation:

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3. The basic unti of matter *<br> proton<br> neutron<br> electron<br> atom
mamaluj [8]

Answer:

Your answer is ATOM

Explanation:

Atoms consist of a nucleus made of protons and neutrons orbited by electrons. Atoms are the basic units of matter and the defining structure of elements.

Basically, they are the building block of life because everything made of matter has atoms

8 0
3 years ago
Equal volumes of two equimolar solutions of reactants a and b are mixed, and the reaction a+b→c occurs. at the end of 1h, a is 9
SVEN [57.7K]

<span>a)    </span>First order in A and zero order in B

<span>ln [A] = (ln 0.1) (2) + ln Ao = ln 0.01 + ln Ao = ln 0.01 Ao = 1.0%  of A will remain</span>

<span>b)    </span>First order in A and first order in B

<span>1/[A] – 1/[A]0= kt where t+=1 and k=9</span>

[A]/[A]=1/19=0.053=5.3%

<span>c)    </span>Zero order in both A and B

<span>[A]0-[A] = kt</span>

Then at 2 hours [A]=0 All of it has reacted.

 

<span> </span>

8 0
3 years ago
is it possible for a balloon with an initial pressure of 200.0 kpa to naturally expand to four times its initial volume when the
lorasvet [3.4K]
You can find the ratio that it can expand with the atmospheric pressure.

200.0/101.3= 1.97 ≈ 2, this means that the balloon could expand twice its initial volume. So, it is not possible for the balloon to expand to 4 since the maximum is 2.
5 0
3 years ago
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Which solution would have the lowest freezing point
Vitek1552 [10]

Answer:

Ice and water

Explanation:

4 0
3 years ago
Is nickel a compound
ELEN [110]

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No

Explanation:

5 0
2 years ago
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