Answer:
It will take 58 seconds
Step-by-step explanation:
If you have 1 kg of water in the jar, half of it will be 0.5 kg.
To vaporize half of the water (0.500 kg) the energy supply needed is
If the stove is supplying 20 kJ/s, the time its needed is
It will last at least 58 seconds to vaporize half of the water.
Answer too old
Step-by-step explanation:
Step-by-step explanation:
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The difference is tha in algebraic expression, there are variables (ex. 6x + 3x) unlike numerical expression doesn't contain a variable; its just numbers.
Answer:
5.0 days
Step-by-step explanation:
From the question given above, the following data were obtained:
Initial mass (N₀) = 46 g
Constant (K) = 0.1374 /day
Half life (t₁/₂) =?
The half life (t₁/₂) is related to the decay constant according to the following equation:
t₁/₂ = 0.693 / K
With the above equation, we can obtain the half-life of the substance as follow:
Constant (K) = 0.1374 /day
Half life (t₁/₂) =?
t₁/₂ = 0.693 / K
t₁/₂ = 0.693 / 0.1374
t₁/₂ = 5.04 ≈ 5.0 days
Thus, the half-life of the substance is 5.0 days
