According to ________, the number of transistors that could be squeezed onto a silicon chip would double every 18 months. Metcal
2 answers:
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Radioactive material obeys 1st order decay kinetics,
For 1st order reaction, we have
k =
where, k = rate constant of reaction
Given: Initial conc. 100, Final conc. = 6.25, t = 18.9 hours
∴ k =
= 0.1467 hours^(-1)
Now, for 1st order reactions: half life =
= 4.723 hours.
For 1st order reaction, we have
k =
where, k = rate constant of reaction
Given: Initial conc. 100, Final conc. = 6.25, t = 18.9 hours
∴ k =
Now, for 1st order reactions: half life =
Answer:
#1
Heat transfer occurred in the room through radiation
This is where heat is transmitted through vacuum or an empty space from a point to another.
#2
From the furnace, the air molecules nearer the region gained higher kinetic energy hence colliding with other molecules in the room. This causes a positive temperature gradient which causes an increment change in temperature in the room.