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I am Lyosha [343]
2 years ago
11

Which statement explains this observation?

Chemistry
1 answer:
sammy [17]2 years ago
8 0

Answer:

should be D. Hope this helpsss!

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A train in Japan can travel 813.5 miles in 5 hours
Anastaziya [24]

Answer:

162.7miles/hr

Explanation:

Given parameters:

Distance covered by the train  = 813.5miles

Time taken  = 5hours

Unknown:

Speed of the train  = ?

Solution:

Speed is a physical quantity.

It is mathematically expressed as;

      Speed  = \frac{distance}{time}

So, input parameters and solve;

   Speed  = \frac{813.5}{5}  = 162.7miles/hr

8 0
3 years ago
How much cooking liquid is needed when employing the pasta method?
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A l l of IT? idk im 7
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The maximum number of electrons in a p sub-level is:
Lera25 [3.4K]
A p sub- level has 3 sub levels so it contains 6 electrons max 
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3 years ago
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Tarnish is Ag2S-silver sulfide and the oxidation state of silver is +1
7 0
3 years ago
HCI + NaOH --> NaCl + H 20
Vikki [24]

Answer:

option D is correct

Explanation:

no of moles in 3 grams of HCL=3/36=0.08

if 1 mole of HCL require 1 mole of NaOH then 0.08 moles required 0.08 moles of NaOH

mass of 0.08 moles of NaOH=moles*molar mass=0.08*40=3.2 grams

so 3 grams are required in the reaction

6 0
2 years ago
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