A company makes garden statues by pouring concrete into a mold. the amount of concrete used to make a statue of a deer weighs 3600 N. if the base of the deer statue is 0.60 meters long and 0.40 meters wide, how much pressure will the statue exert on the ground

Pressure exerted by statue =

Explanation:

Weight of the statue (F)= 3600 N

Area of the base of statue(A) = Length of the base x Width of the base

                                              =0.6 m x 0.4 m =0.24 m

Pressure is defined as  force per unit area.

Pressure exerted by statue = 15000

  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

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