If the value of ΔH is positive for a reaction,...
If the value of ΔH is positive for a reaction, it means that the reaction is?
exothermic
endothermic
spontaneous
slow
Correct answer is B
- Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the surroundings to form products.
- A system of reactants that absorbs heat from the surroundings in an endothermic reaction has a positive ΔH.
- examples of endothermic processes:
The condition required for corrosion to take place is the presence of ...
The catalyst used in the contact process for the manufacture of tetraoxosulphate (VI) acid is...
An eruption pollution an environment with gas suspected to be H<sub>2</sub>S, a poisonou...
Which of the following compounds is NOT an isomers of 2,2 dimethylbutane? ...
How many unpaired electrons are present in 26Fe3+?...
What is the atomic number of Tennessine? ...
Water has a rather high boiling point despite its low molecular mass because of the presence of? ...