A) 4400 kj of heat released into surroundings
<h3>Further explanation</h3>
Reaction
C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O, the ∆H is –2200 kJ
Reaction exothermic( ∆H=-, released heat to surrounding) and for combustion of 1 mole of C3H8
So for two moles of C3H8, the enthalpy :

Answer:
D
Explanation:
Because when you combine chemical substances they create a new substance unlike physical substances .
Answer:
Low power
Explanation:
Low power would allow for the full image of the red blood cells and would appear as small circles.
The type of energy present in the vibrating atoms of a substance is a thermal energy and it is a kinetic type of energy. It is associated with movement within the crystal lattice of substance. ... Eventually, it can lead to motion of the atoms which is a form of kinetic energy.
Answer:

Explanation:
1. Convert decagrams to grams

2. Convert grams to decigrams
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