Answer:Explained
Explanation:
Given
mass of aluminium kettle(
)=1.05 kg
(a)Heat capacity of the kettle=Heat capacity of Aluminium
(b)Heat is required to increase the temperature of this kettle from 
Q=71.82 kJ
(c)If kettle contains water 1.25 L of water i.e. 1.246 kg of water then heat required to raise the temperature from 23 to 99
Q=71.82+396.20=468.028 kJ
ANDESITE is a fine grained rock that formed when magma irrupt it onto the surface and crystallized quickly ANDESITE & DIORITE have a composition that is intermediate between basalt.This is because their parent magmas formed from the PARTIAL melting of a BASALTIC oceanic plate.
Answer:
The chemical reaction between the citric acid and sodium bicarbonate
Explanation:
I think its a or b mainly a
FeI2 (B). Group 1 elements (K) dissociate completely, so KCH3CO2 will become K+ and CH3CO2- . Fe2+ and I- don't dissociate in water, so you get FeI2(s) precipitate.
