B? I could be wrong, but try it if you’d like
Answer:
Atoms consist of three basic particles: protons, electrons, and neutrons. The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).
HOPE THIS HELPED!!!!!!!!XDD
From ideal gas equation, that is PV =nRT
P=nRT/V
n is the number of moles
the molar mass of CH4 =12+4=16
R is the gas contant (0.0821 atm/mol/k)
n= 6.022/16=0.376 moles
P={(0.376 moles x 0.0821 atm/mol/k x 402k) /30.0L} =0.414 atm
Not sure but try a tutor they help quick
<span>Compounds whose colours are sensitive to pH are best defined as.......Acid-base indicators.</span>