Gabriel is performing an experiment in which he is measuring the energy and work being done by a ball rolling down a hill which statement best describes gabriela measurements?

The best statement to describe Gabriel’s measurement is “They will both be recorded in joules.”  Performing an experiment in measuring the energy and work being done by a ball rolling down a hill is not an easy task it needs much effort and time to conduct this kind of experiment. Work can transfer energy between objects and it can cause a change in the form of energy. When work is being done the possibility of this is the energy will transfer. Work is the measure of the energy when the object is moving by an external force. Energy is the capacity of the object to do the work. It may exist in kinetic, thermal, potential, chemical and other various forms.

it about 600 mph from what i calculated

  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