Can you explain so I can answer? (In comments)
2H₂ + O₂ = 2H₂O
H₂ hydrogen molecule
O₂ oxygen molecule
Answer:
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Explanation:
Answer:
Density is = mass/volume
Explanation:
hence 100/2*2*2
(Volume of the block is equal to length multiplied by width multiplied by height)
100/8
=12.5g/cm^3
Hope this helps :)
I'd appreciate if you'd mark me brainliest because I've
been stuck on the same rank for wayyy too long :(
Goodluck! :)
Answer:
Friction occurs because no surface is perfectly smooth. Rougher surfaces have more friction between them. Heavier objects also have more friction because they press together with greater force. Friction produces heat because it causes the molecules on rubbing surfaces to move faster and have more energy.
Explanation:
