Answer:
HNO3 = Strong
H2SO4 = Strong
H2CO3 = Weak
HCl = Strong
HF = Weak
Explanation:
These must be memorized. It's easier to memorize the strong acids as there are fewer of them(7 main ones):
HCl
HBr
HI
HNO3
HClO4
HClO3
H2SO4
Assuming that the gas is ideal, we can use the ideal gas equation PV=nRT to calculate for the number of moles. Then, multiply the molar mass of the gas to obtain the mass. We do as follows:
PV = nRT
n = PV / RT
n = 1.1 atm (3.7x10^9 L) / 0.08205 L-atm/mol-K (280.15) = 177061931.3 mol H2
Mass = (177061931.3 mol H2) 18.02 g/mol ( 1 kg / 1000g) ( 2.2 lb / 1 kg ) = 7019443.21 lb H2
I don’t understand this one sorry
Answer: a for the first one , d for the second one, b for the third one.
Explanation: