Question

During the 5 minute period described in question 4, the water in the insulated vessel undergoes a temperature increase of 20 C. Assuming all of the electrical energy dissipated by the resistor was transferred to the water as heat, what is the mass of the water

Answer 1

Please find the complete question in the attached file.

Step-by-step explanation:

`V=12\ V\\\\I=1.2\ A\\\\T=5* 60=300\ second\\\\`

Calculating the electrical energy dissipated:

`w=p\cdot t=V\cdot I \cdot t\\\\`

`=12* 1.2 * 300 \ J\\\\=4320\ J`

`\Delta T=20^(\circ)\ C\\\\W=m\cdot c\cdot \Delta T\\\\4320=m(4186 * 20)\\\\m=(4320)/(4186 * 20)=51.6 \ grams=0.516 \ kg\\\\`