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Vlad1618 [11]
3 years ago
8

How was hubble important to our understanding of galaxies

Chemistry
1 answer:
stellarik [79]3 years ago
3 0
The Hubble Telescope allowed us as humans to "travel" to the deepest parts of the universe and view the galaxies that are lightyears away from Earth.
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0.415 g of an unknown triprotic acid are used to make a 100.00 mL solution. Then 25.00 mL of this solution is transferred to an
Arturiano [62]

Answer:

Explanation:

Initial burette reading = 1.81 mL

final burette reading = 39.7 mL

volume of NaOH used = 39.7 - 1.81 = 37.89 mL .  

37.89 mL of .1029 M NaOH is used to neutralise triprotic acid

No of moles contained by 37.89 mL of .1029 M NaOH

= .03789 x .1029 moles

= 3.89 x 10⁻³ moles

Since acid is triprotic ,  its equivalent weight = molecular weight / 3

No of moles of triprotic acid = 3.89 x 10⁻³ / 3

= 1.30   x 10⁻³ moles .

8 0
3 years ago
Check all that apply to sugar.
harina [27]

Answer:

Candy

Explanation:

its sweet and has a lot of sugar and acid

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3 years ago
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Which of the following are functions of the ears?
Advocard [28]

The functions of the ears are:

I. Hearing by collecting and processing sound waves

II. Keeping our balance when we turn or bend over; option A

<h3>What is the function of the ear?</h3>

The ear is one of the five sense organs in the body.

The sense organs are the organs which receive external stimulus and send it to the brain for processing and response.

The other sense organs are:

  • the eye
  • the nose
  • the skin
  • the tongue

The functions of the ear are for hearing and for balance.

In conclusion, the sense organs function to receive stimulus and send them to the brain.

Learn more about the functions of the ear at: brainly.com/question/924275

#SPJ1

3 0
1 year ago
What do greenhouse gases (CO2) do to the atmosphere?
Alborosie

Answer:

they causes climate change by trapping heat and also they contribute to respiratory diseases from smog and air pollution

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6. What is a polyatomic ion? (You should also memorize the name, formula, and charge of the polyatomic ions listed in the lectur
strojnjashka [21]
A polyatomic ion is a group of elements that has a charge that is not 0. for example the charge of P04 is -3 
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