Answer:
Hey okau
Explanation:
X/100% = part / whole
X/100% = 1.62 / (1.62 + 4.81) = 0.252
X = 25.2%
Ba: 2
Al: 3
P: 5
Se: 6
Br: 7
K: 1
Hope this helps!
Answer: D
Explanation:
Because velocity is speed
Answer:
0.0793 mol.
Explanation:
Refer to a modern periodic table for relative atomic mass data:
- Cu: 63.546;
- N: 14.007;
- O: 15.999.
Formula mass of copper(II) nitrate, :
.
Number of moles of copper(II) nitrate produced:
.
The ratio between the coefficient of and that of in the balanced equation is:
.
In other words,
.
interphase refers to: all stages of the cell cycle other than mitosis. During interphase, cellular organelles double in number, the DNA replicates, and protein synthesis occurs. The chromosomes are not visible and the DNA appears as uncoiled chromatin.