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leonid [27]
3 years ago
14

HELP PLEASE!

Chemistry
1 answer:
Maslowich3 years ago
8 0
I think you don’t need the help anymore so can I just take these real quick ?
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Which element would you expect to behave the most like carbon (C)?
vesna_86 [32]

Answer:

A

Explanation:

Germanium and Carbon are in the same 14th group.

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3 years ago
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Un deportista de 72 kg trepa por una cuerda hasta una altura de 12m. Calcula el incremento de energía potencial gravitatoria que
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A 72 kg athlete climbs a rope to a height of 12m. Calculate the increase in gravitational potential energy it has experienced.

Answer:

8467.2J

Explanation:

Given parameters:

Mass of the athlete = 72kg

Height of the climb  = 12m

Unknown:

Increase in gravitational potential energy it has experienced = ?

Solution:

Gravitational potential energy is the energy due to the position of a body. It is mathematically expressed as;

  Gravitational potential energy  = m x g x h

m is the mass

g is the acceleration due to gravity  = 9.8m/s²

h is the height

   Insert the parameters and solve;

  Gravitational potential energy  = 72 x 9.8 x 12

  GPE = 8467.2J

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3 years ago
The initial temperature of a bomb calorimeter is 28.50°C. When a chemist carries out a reaction in this calorimeter, its tempera
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Answer:

D. 5,170 J

Explanation:

7 0
3 years ago
Archaeology has shown that ancient people _____.
Readme [11.4K]
I would say developed technologies which somehow were lost

like the stone age: the stone hammer, who used that afterwards in the roman empire era and stuff?
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1. Rank the following compounds in order of decreasing acid strength using periodic trends. Rank the acids from strongest to wea
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Answer:

ESCALAS MAYORES (D, E, G, A, B) Porfavor necesito ayuda,te lo agradecería muchísimo!!

Es urgente

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