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frez [133]
3 years ago
15

When you heat a substance what happens to the molecules

Chemistry
2 answers:
tatyana61 [14]3 years ago
6 0
I'm pretty sure they come closer, and on the small chance i'm wrong, they separate.<span />
Flauer [41]3 years ago
5 0
When heat is applied to molecules, they speed up and separate, that's why water turns to steam. Hope this helps!
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2 years ago
for 2Na (s) +Cl2(g)-&gt;2NaCl(s) how many grams of sodium chloride will be made from 115 g of sodium metal when when reacted wit
alexandr1967 [171]

 The grams  of sodium   chloride that will be made is 292.5 g


<u><em>calculation</em></u>

2Na  +Cl₂ → 2NaCl

step 1: calculate the  moles of Na

moles  =   mass/molar mass

From periodic table the  molar mass  of Na = 23 g/mol

moles = 115 g/23 g /mol =  5  moles

Step 2 : use the mole ratio to determine the  moles of NaCl

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Step  3: find the mass of NaCl

mass= moles  x molar mass

The  molar mass of NaCl = 23 + 35 .5 =58.5 g/mol

mass= 5 moles x 58.5 g/mol =292.5  g




5 0
3 years ago
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