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AnnZ [28]
3 years ago
9

Object A and B have the same mass. Which object is experiencing a stronger gravitational force?

Chemistry
1 answer:
ANTONII [103]3 years ago
8 0
A). Object A, because the shorter the distance between objects result in a stronger gravitational force
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What can you infer about aspirin’s ester group?
Reil [10]

Answer:

Option B, aspirin’s ester group provides greater digestibility to aspirin

Explanation:

Aspirin ester group has three parts

  1. carboxylic acid functional group (R-COOH)
  2. ester functional group (R-O-CO-R')
  3. aromatic group (benzene ring)

Aspirin is a weak acid and hence it cannot dissolve in water readily. The reaction of Aspirin ester group with water is as follows -

aspirin

(acetylsalicylic acid) + water → salicylic acid + acetic acid

(ethanoic acid)

Aspirin passes through the stomach and remains unchanged until it reaches the intestine where it hydrolyses ester to form the active compound.

8 0
3 years ago
How much time is required to plate out 20.0 g of Zn from a solution containing Zn2+ ions, using a current of 2.00 amperes?
lyudmila [28]

Answer: 494.872mins

Explanation:

M= MrIt÷n

M=20g

Mr=65g/mol

I=2A

1 farad= 96500

For zinc with 2ions

2×96500= 193000

M×n= MrIt

T= M×n÷MrI

t= 20×193000/2×65

t= 3860000/130

t= 29692.307sec

t=29692.307/60

t= 494.872 mins

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4 0
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Read 2 more answers
When a light of wavelength 570nm falls on the surface of potassium metal, electrons are ejected with a velocity of 6.4x104 m/s.
Anarel [89]

Answer:

3 x 10 m/s. = = 188 m. 1600 x 10 Hz λ. 8 max. 3. 3 x 10. = = 566 m. 530 x 10. FM λ. 8 ... (a) The equation relating and is c = where c is the speed of light = 3.00 x 10 ... Potassium metal can be used as the active surface in a photodiode because ... wavelength light (in nm) with quanta of sufficient energy to eject electrons from a.

Explanation:

5 0
3 years ago
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