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myrzilka [38]
3 years ago
5

1. On your graph, the data points between the black squares are data for elements with atomic numbers 3 through 9. Locate these

elements on your periodic table. What term or description would you use to identify these elements with respect to the periodic table?

Chemistry
1 answer:
MAVERICK [17]3 years ago
8 0

Answer:

Second Row elements  

Explanation:

Elements with atomic numbers from 3 to 9 are found in the second row of the Periodic Table, so they are called Second Row (or Second Period) elements.

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How mant low dose 81mg aspirin tablets can be made from 1.21 kg of aspirin​
KiRa [710]

Answer:

14,938 tablets.

Explanation:

WE divide:

1.21 kg / 81 mg

1.21 kg = 1,210 g = 1.210,000 mg.

So it is 1,210,000 / 81

= 14,938 tablets.

3 0
3 years ago
Antibiotics are a type of medicine that kills bacteria. Antibiotics can be used to fight bacterial infections. Which of the foll
AysviL [449]

Answer:

Antibiotics are strong medicines that treat bacterial infections. Antibiotics won't treat viral infections because they can't kill viruses. You'll get better when the viral infection has run its course. Common illnesses caused by bacteria are urinary tract infections, strep throat, and some pneumonia.

Explanation:

antibiotics can treat bacterial infections, such as:

   Most sinus infections.

   Strep throat.

   Urinary tract infections.

   Pneumonia.

   Most ear infections (otitis media)

   Nasty bacterial skin infections (impetigo)

plz mark brainliest

7 0
3 years ago
50g nitrous oxide combines with 50g oxygen form dinitrogen tetroxide according to the balanced equation below.
photoshop1234 [79]

Limiting reactant : O₂

Mass of  N₂O₄ produced = 95.83 g

<h3>Further explanation</h3>

Given

50g nitrous oxide

50g oxygen

Reaction

2N20 + 302 - 2N204

Required

Limiting reactant

mass of N204 produced

Solution

mol N₂O :

\tt =\dfrac{50}{44}=1.136

mol O₂ :

\tt =\dfrac{50}{32}=1.5625

2N₂O+3O₂⇒ 2N₂O₄

ICE method

1.136    1.5625

1.0416  1.5625    1.0416

0.0944    0          1.0416

Limiting reactant : Oxygen-O₂

Mass N₂O₄(MW=92 g/mol) :

\tt =mol\times MW=1.0416\times 92=95.83~g

7 0
3 years ago
(a) A gas fills completely the
ohaa [14]

Answer:

a)The force of attraction between particles of gas is negligible. Because of this, particles of gas move in all directions. Thus, a gas fills the vessel completely in which it is kept.

b)Because of negligible force of attraction between particles of gas, the particles of gas have the highest kinetic energy. These properties enable the particles of gas to move in all directions and hit the walls of container from all sides. Because of this a gas exerts pressure on the walls of the container in which it is kept.

c): A wooden table has fixed shape and fixed volume, which are the main characteristics of solid. Thus a wooden table should be called a solid.

8 0
3 years ago
How do you know if flammability is a chemical property
snow_lady [41]
When a fuel burns, it combines with oxygen int the air and changes into the substances water and carbon dioxide. That's how Flammability is a chemical property.
5 0
3 years ago
Read 2 more answers
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