Answer:
B They move because of the convection currents in the mantle.
if i am correct the volume of nitrogen gas has to equal to molecules density, making the substance 1.27 liters :)
The spherical object will float and the square object will sink to the bottom of the fluid as it has greater density. :)
Answer:
P-block metals have classic metal characteristics like they are shiny, they are good conductors of heat and electricity, and they lose electrons easily. These metals have high melting points and readily react with nonmetals to form ionic compounds.
Explanation:
Answer:
Explanation:
1. Calculate the rate constant
The integrated rate law for first order decay is
where
A₀ and A_t are the amounts at t = 0 and t
k is the rate constant
2. Calculate the half-life
