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PIT_PIT [208]
3 years ago
14

What is the action force and the reaction force when you sit down on the chair

Chemistry
1 answer:
NISA [10]3 years ago
8 0
The action force is you sitting on the chair and the reaction force is the gravity on the chair that is caused by you sitting on the chair
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Jade(a green gemstone) has a density of 3.6g/ml. If a sample displaces 35.5mL of water, what is the jades's mass?
Sonja [21]
Hey there!:

Mass =  ?

Volume = 35.5 mL

density = 3.6 g/mL 

By the definition of density :

D = m / V

3.6 = m / 35.5

m = 3.6 * 35.5

m = 127.8 g


hope this helps!
7 0
4 years ago
Read 2 more answers
How many moles of HCI would you have if you have 7 L of a 9M solution<br> of HCI? *
frutty [35]

Explanation:

1kg x 0,37=370gHCL

370g/36,5g/mol=10,137mol/kg

1l=1,185kg

10,137 x 1,185kg/l =12,0mol/l

(x/ml(12mol HCL)*12mol/L)/100ml=0,025mol/L

x=

5 0
3 years ago
Finalmente responde:
dexar [7]

El agua se purifica a partir de un proceso de filtrado. Las características que evidencian el filtrado incluyen pH normal, color cristalino, ausencia de metales pesados y/o microorganismos, etc.

  • Los filtros para purificar agua son dispositivos que permiten el limpiado del agua con el objetivo de convertirla apta para consumo humano.

  • En general, los filtros para lograr la purificación del agua consisten de carbón activado, el cual se prensa con alta presión.

  • Este dispositivo de carbón activado permite secuestrar las partículas sólidas que pasan a través del filtro, con lo cual el agua sale a través del filtro completamente purificada.

Las características que permiten determinar si el agua ha sido correctamente filtrada incluyen:

  1. El agua sale cristalina, es decir, sin ningún tipo de color que evidencie la presencia de contaminación.
  2. El pH del agua potable debe oscilar entre valores normales (6,5 a 8,5)
  3. No debe contener metales tales como plomo, arsénico o cadmio (altamente tóxicos)
  4. No debe contener microorganismos

Aprende más sobre este tema en:

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8 0
3 years ago
Which two have to do with Movement of Galaxies? (pick 2)
pychu [463]
I don’t see anything
6 0
3 years ago
Will name Brainliest
noname [10]

Answer:

a

Explanation:

3 0
3 years ago
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