Answer:
Number of moles (n)=
molecular weight
weight
Weight=n×Molecular weight
=0.5×14
Mass=7g
I think its A. it cant be C or D b/c we are measuring the distance between Earth and Saturn, not the speed.
Answer:
2835 J
Explanation:
Take the specific heat capacity of water as 4.2 J/ g°C.
Energy (heat) = mass x specific heat capacity x change in temperature
(E= mcΔT)
E = 27 x 4.2 x (45-20)
E = 2835 J
Answer:
Answer choice A
Explanation:
When an electron is transferred to another atom, both atoms involved become ions.
Answer:
i think its C
Explanation: im at the Beach all the time and waves wash the sand away
