20950 joules of heat are added to a container with 400 g of water. how much does the temperature change??? Show work and formula
1 answer:
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Answer:
Explanation:
Hello,
In this case, the relationship between the mass, heat, temperature and heat capacity id given by:
In such a way, the temperature change results:
Clearly it is a positive change which means the temperature increases as heat is added.
Regards.
Answer: 2.4 M
Explanation:
According to the neutralization law,
where,
= molarity of
solution = 3.5 M
= volume of
solution = 34.3 ml
= molarity of
solution = ?
= volume of
solution = 50 ml
= valency of
= 1
= valency of
= 1
Therefore, the concentration of NaOH solution is 2.4 M.