Atelevision uses 32 kwh of energy per year. how many joules does it use?

The amount of energy used by television is

Explanation:

We are given:

Amount of energy used by television per year = 32 kWh = 32000 W h   (Conversion factor:  1 kW = 1000 W)

To convert this into joules, we use the conversion factor:

1 hour = 3600 seconds

1 W = 1 J/s

Converting the energy into Joules, we get:

Hence, the amount of energy used by television is

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.

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