Which is true about resistors in series? They have the same current. They have the same potential difference. They have the same current and potential difference.

They have the same current.

Explanation:

According to the Ohm's Law, resistors in series have the same current, distinct potential differences and resistances. The case for n resistors in series are:

They have the same current

Explanation:

Resistors in series are usually joined together in a straight line.

The current is the same that flows throughout the cell which is Ia=Ib=Ic while the potential difference which is the voltage is gotten by the sum of all the potential difference of each resistors. This is Vt=V1+V2+V3

  the grams     of oxygen gas   that can be produced     is 20.6   grams of o₂

calculation

2liclo₃ →   2 licl + 3 o₂

step 1:   find the moles of liclo₃

moles = mass÷ molar mass

from periodic table the molar mass of liclo₃ =6.9 +35.5   +(16 x3) =90.4 g/mol

moles=38.7 g÷90.4 g/mol=0.4281   moles

step 2:   use the   mole ratio   to calculate the moles of o2

from equation above, liclo₃: o₂   is 2: 3  

therefore the moles of   o₂=0.4281 moles x3/2 =0.6422   moles

step 3: find mass   of o₂

mass= moles x molar mass

from periodic table the   molar mass of   o₂ = 16 x2= 32 g/mol

mass=0.6422   moles   x   32 g/mol = 20.6 grams of o₂