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VLD [36.1K]
3 years ago
10

Which statement best describes what a circle graph shows?

Chemistry
2 answers:
vichka [17]3 years ago
6 0
The answer is to the question would be B
Masteriza [31]3 years ago
4 0

I think it's B I'm sorry if I get that wrong. Idk

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Use this condensed chemical structure
liberstina [14]

Answer:

number of carbon-carbon single (C - C) bonds: 1

number of carbon-hydrogen single (C H) bonds: 5

number of nitrogen-hydrogen sing le (N H) bonds:2

number of lone pairs: 1

Explanation:

Ethanamine is a colourless gas having a strong 'ammonia- like' odour. It contains the -NH2 group which makes it an amine. It contains one carbon-carbon bond, five carbon-hydrogen bonds and two nitrogen-hydrogen bonds.

Nitrogen, being sp3 hybridized in the compound has a lone pair of electrons localized on one of the sp3 hybridized orbitals of nitrogen while one sp3 hybridized orbital of nitrogen is used to form a carbon-nitrogen bond. The other two sp3 hybridized orbitals on nitrogen are used to form the two nitrogen-hydrogen bonds.

6 0
3 years ago
A 1.2 kg sample of Th-228 has a half-life of 1.9 years. How many grams of Th is left after 13.3 years?
Bumek [7]
.009375 kg or 9.375 grams will remain
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3 years ago
True or False ? Endothermic reactions are characterized by net absorption of thermal energy from its surroundings which leads to
Artemon [7]
False

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3 years ago
How do Newton's laws of motion explain why it is important to keep the ice smooth on a hockey rink so that players
andriy [413]

Answer:

How do Newton's laws of motion explain why it is important to keep the ice smooth on a hockey rink so that players can pass a puck as quickly as possible? Smooth ice reduces the unbalanced forces that would slow the hockey puck. A skydiver falls toward the ground at a constant velocity.

Explanation:

3 0
3 years ago
Read 2 more answers
Can someone please help me with this
Nuetrik [128]
7. Atomic mass
8. Atomic number
9. Chemical symbol
10. Right
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3 years ago
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