<span>In a solid the atoms are tightly packed together and vibrate in place, in a liquid the atoms are loosely packed together and can move past each other,
extra: and in a gas the atoms are far apart and move freely and </span><em>
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Answer:
Chemistry is the scientific study of the structure of substances, how they react when combined and how they behave under different situations.
Answer:
Hi there!
The answer to this question is: True
Atoms make up an element
Answer:
4 moles
Explanation:
= 
= 2 (moles)
CH4 + 2O2 → CO2 + 2H2O
1 : 2 : 1 : 2
2 (moles)
⇒ 
= 2 × 2 ÷ 1 = 4 (moles)
8 grams
A <span>2.0%m/v</span> (mass/volume) solution is 2 grams of solute in 100 mL of final solution.
So for 400 mL of solution, you require
<span>400mL⋅<span>2 g<span>100mL</span></span>=<span>8 g</span></span>
