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nydimaria [60]
3 years ago
10

Chemical bond where electrons are shared and usually formed between two nonmetals

Chemistry
1 answer:
blagie [28]3 years ago
5 0
Answer: Covalent bond
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How much heat is added if 0.814g of water increase in temperature by 0.351 degree C
steposvetlana [31]

Answer:

1·199 J

Explanation:

Given

Mass of water = 0·814 g = 0·814 × 10^{-3} kg

Increase in temperature = 0·351 °C

Let the amount of heat added be Q J

Formula for heat added is

<h3>Q = m × s × ΔT</h3>

where Q is the amount of heat transferred

m is the mass

s is the heat capacity

ΔT is the change in temperature

Heat capacity of water = 4200 J/kg °C

Applying the formula for heat added

Q = 0·814 × 10^{-3} × 4200 × 0·351  = 1·199 J

∴ Amount of heat added = 1·199 J

8 0
4 years ago
Which of the following ions has the smallest ionic radius?
maria [59]

Answer:

The C4+ ion has the smallest ionic radius

Explanation:

In the periodic table, the size of an atom increases on going downwards in a group.

On the other hand, in a period, size decreases on going from left to right

The size of cation is smaller than its parent atom.

Lithium-ion (Li+) is the most left so it has the biggest radius.

More to the right ( this means a smaller ionic radius) , we have Berylium-ion (Be2+).

More to the right, so smaller than Be2+, we have B3+

The ion the most to the right, we have C4+

The C4+ ion has the smallest ionic radius

Li+ > Be2+ > Be3+ > C4+

7 0
3 years ago
Read 2 more answers
Plants give off oxygen as part of photosynthesis. Explain the impact of this process on humans?
PolarNik [594]

Answer:

i think it haven't impact because oxygen is very sensitive for our life and from plants there is so many kinds of food sources soo

7 0
3 years ago
Can someone help me like please
Svet_ta [14]

Answer:

the last one

Explanation:

one atom had a higher electronegativity than the atom it is sharing with.

3 0
3 years ago
Aromatic compounds aliphatic compounds
Nonamiya [84]

Answer:

I hoped it helps you fod blessed:)

5 0
4 years ago
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