Question 9
A 12v battery supplying a current of 20A was used to melt 1.5kg of ice at )°C. Calculate the time required if the Latent heat of fusion of ice is 338 × 10J/kg
Objective
Question details
- Exam body
- ABU
- Subject
- Chemistry
- Year
- 2012/2013
- Question no.
- #9
- Type
- Objective
More from this paper
- Q2Calculate the minimum volume of oxygen that is required for the complete…
- Q3An increase in temperature causes an increase in the pressure of a gas because…
- Q4A liquid begins to boil when
- Q5If the relative rate of diffusion of a gas is 0.25 and that of Cl under the same…
- Q6The following molecules contain hydrogen bonding EXCEPT
- Q7If 20cm³ of distilled water is added to 80cm³ of 0.50mol/dm³ HCl…