Answer:
Explanation:
A, D,E and B i think is the correct answers
Answer:
Increases by 100 Pa
Explanation:
According to The Ideal Gas Equation,
- the temperature of the gas is directly proportional to the volume of the gas present in it
- If the temperature rises from 100 K to 200 K, then the volume will increase by 100 Pa (standard unit of Pressure)
Answer:
C 108
Explanation:
1 It was found that 4n atoms of metal x
weigh 501.6 g. The relative atomic mass
of X is 209. If n atoms of another metal,
Y, weigh 65.00 g, what is the relative
atomic mass of metal Y?
A 27 B 52 C 108 D 137
if 4n atoms of x weigh 501.6 gm, the n atoms weigh 501.6/4 = 125.4 gms
since the atomic mass is 209, then 6.022 X10^23 atom weigh 209
the ratio of 125.4 to 209 is
125.4/Y =0.6
therefor n is the number of atom in 0.6 moles
if metal Y has the same, number of atoms "n" and weighs 65 gm
then then the relative atomic mass is
65/0.6 =108
so the answer is
C 108
The electrons in the highest occupied energy level of an atom are called valence electrons.
