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Paraphin [41]
2 years ago
12

Lyle filled a glass bottle completely with water. He put the lid on tightly, then put the water in the freezer to cool it down q

uickly. Lyle forgot about his water until the next day. When Lyle took his bottle out of the freezer, all the water was frozen solid. The bottle had cracked in several places and was broken. If water in the ground acts like water in the bottle when it freezes, how does water in the ground affect layers of rock and soil
Chemistry
1 answer:
svlad2 [7]2 years ago
7 0

Answer:

The answer would be  It breaks them up.

Explanation:

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The reaction 2NO(g) + O2(g) → 2NO2(g) is a synthesis reaction. True False
Trava [24]

true

not sure though

but I think

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3 years ago
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What is Avagrados Number?
dsp73
6.02x10^23; This represents the number of molecules in 1 mole of a substance.
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3 years ago
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write a balanced net ionic equation for the following reaction: BaCl2(aq) + H2SO4 (aq) -- BaSO4(s) + HCl (aq)
Fudgin [204]

The  balanced net  equation  for

BaCl2 (aq)  + H2SO4(aq) → BaSO4(s)  + HCl  (aq)  is

 Ba^2+(aq)  +SO4^2- → BaSO4 (s)

 <u><em>Explanation</em></u>

Ionic equation  is a chemical  equation in which  electrolytes  in aqueous  solution are written as dissociated ions.

<u>ionic equation is written using the below steps</u>

Step 1:  <em>write a balanced   molecular equation</em>

 BaCl2 (aq) +H2SO4 (aq)→ BaSO4(s)  +2HCl (aq)

Step 2:   <em>Break all soluble  electrolytes  in to ions</em>

=  Ba^2+ (aq) + 2Cl^-(aq)  + 2H^+(aq) + SO4^2-(aq)→ BaSO4(s)   + 2H^+(aq)  +2Cl^- (aq)


step 3:  <em>cancel the spectator  ions  in both side of equation ( ions which  do not take place in the reaction)</em>

<em> </em><em>    =</em> 2Cl^-  and  2H^+  ions

Step 4: <em>write the final net equation</em>

<em> Ba^2+(aq)  + SO4^2-(aq)→  BaSO4(s</em><em>)</em>

3 0
3 years ago
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3. Find the mass of 4.77 x 1022 atoms of scandium<br> (Sc).
iren2701 [21]

Answer:

Mass = 3.6 g

Explanation:

Given data:

Number of atoms of scandium = 4.77×10²² atoms

Mass of arsenic = ?

Solution:

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The number 6.022× 10²³ is called Avogadro number.

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0.08 mol

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Mass = 0.08 mol ×  45 g/mol

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3 years ago
Alai is comparing the physical property of two materials. He is hitting each with a hammer to observe what happens. What physica
maxonik [38]
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