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Sholpan [36]
3 years ago
7

You performed an experiment to find out how far three different sizes of

Chemistry
1 answer:
eduard3 years ago
6 0

Answer:

B how much farther does the arrow fly when you use a stronger bow

Explanation:

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Dalton's contribution was different from thatof the ancient Greek who postulated the existence of atoms. Point out the differenc
ELEN [110]

Answer: Democritus atomic theory is the ancient theory that describes the nature of matter in terms of atoms whereas Dalton atomic theory is a modern scientific theory that describes the nature of matter in terms of atoms. According to Dalton's theory, atoms are identically same, but Democritus had no idea about it. Atoms are never created nor destroyed, they just rearrange.

Explanation:

4 0
3 years ago
A) Atom is generally charge less,<br>why? ​
Aliun [14]

Answer:

Explanation:

Every atom has no overall charge (neutral). This is because they contain equal numbers of positive protons and negative electrons. These opposite charges cancel each other out making the atom neutral.

7 0
3 years ago
X: glucose + oxygen ---- carbon dioxide + water
elena-s [515]

Answer:

X

Explanation:

5 0
1 year ago
Read 2 more answers
How much heat energy is required to raise the temperature of 5 kilograms of coal from 20c to 220c?
Elenna [48]
1.3 kJ/kg K x 5 kg x 200C = 1300 kJ 
The answer is <span>1,314,718 J</span>
7 0
3 years ago
Read 2 more answers
For the reaction, identify the Lewis acid and the Lewis base.<br> AlF3 + CH3F → CH3+ + [AlF4]-
Ivanshal [37]
Answer:
            AlF₃ is Lewis Acid

            CH₃F is Lewis Base

Explanation:
                     According to Lewis concept ,"those compounds which donate pair of electrons are called as Lewis Base and those accepting pair of electrons are called as Lewis Acid.

In Given Reaction,
<span>                               AlF</span>₃<span> + CH</span>₃<span>F → CH</span>₃⁺<span> + [AlF</span>₄<span>]</span>⁻

AlF₃ is acting as acid because the octet of Al is not complete, hence it has tendency to accept electrons.

CH₃F is acting as a base because the F atom containing three lone pair of electrons can donate it to Al metal resulting in the formation of electrophile i.e. CH₃⁺.
5 0
3 years ago
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