Answer 15m
Explanation: Distance = Speed x Time
3 x 5 =15
Answer:
conduction
Explanation:
Conduction is the transfer of heat between substances that are in direct contact with each other. ... Conduction occurs when a substance is heated, particles will gain more energy, and vibrate more. These molecules then bump into nearby particles and transfer some of their energy to them.
Answer:
for the given reaction is -238.7 kJ
Explanation:
The given reaction can be written as summation of three elementary steps such as:



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We all know, Density = Mass/ volume.
When volume increases and the mass remains the same , the density will decrease considerably.