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kirill115 [55]
3 years ago
9

The chemical bonds in sugar

Chemistry
1 answer:
zhannawk [14.2K]3 years ago
8 0

Sugar, on the other hand, is composed of carbon, oxygen, and hydrogen and has covalent bonds. A salt molecule is made up of one sodium atom and one chlorine atom.

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What is the freezing point of a .743 m aqueous solution of KCl
marysya [2.9K]

Change in freezing point = -1.86 C/m X 0.743 m X 2 = -2.76 C

3 0
3 years ago
Fe + O2 + H₂O- & Fe2O3 + H₂O. balance por el método de tanteo​
AveGali [126]

Answer:

Fe + O2 + H₂O___ Fe2O3 + H₂O.

6Fe+302+H2O______2fe 203+H2O

5 0
2 years ago
Suppose an aluminum- nuclide transforms into a phosphorus- nuclide by absorbing an alpha particle and emitting a neutron. Comple
AfilCa [17]

Explanation:

An alpha particles is basically a helium nucleus and it contains 2 protons and 2 neutrons.  

Symbol of an alpha particle is ^{4}_{2}\alpha. Whereas a neutron is represented by a symbol ^{1}_{0}n, that is, it has zero protons and only 1 neutron.

Therefore, reaction equation when an aluminum- nuclide transforms into a phosphorus- nuclide by absorbing an alpha particle and emitting a neutron is as follows.

        ^{27}_{13}Al + ^{1}_{0}n \rightarrow ^{30}_{15}P + ^{1}_{0}n

5 0
3 years ago
The half-life of a strontium isotope is 25 years. How much of this particular isotope will remain after 100 years if the startin
Phoenix [80]

Answer:

1 gram

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Half life = 25 years

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Time = 100 years

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After first Half life;

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After Second Half life;

Remaining mass = 8 / 2 =  4 g

After Third Half life;

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After Fourth Half life;

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3 0
2 years ago
♡
Oksi-84 [34.3K]

Your question has been heard loud and clear.

Both scientific laws and scientific theories are not based on hypothesis.

Because , scientific laws are proven and so they are real not hypothetical.

Whereas scientifc theories can be hypothetical.

Thank you

4 0
3 years ago
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