match the term to its description.

gravitional energy
mechanical energy
nuclear energy
thermal energy

a) energy stored in the nucleus of an atom
b) the energy of an object due to its movement
c) the potential energy of position
d) internal energy caused by vibrations of atoms and molecules

See the answer below, please.

Explanation:

Nuclear Energy : A) Energy stored in the nucleus of an atom

Mechanical Energy: B) The energy of an object due to its movement

Gravitional Energy: C) The potential energy of position

Thermal Energy D) Internal energy caused by vibrations of atoms and molecules

yes

explanation:

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as given the equation is

2al + 6 hcl > 2 alcl3 + 3 h2(g)

as per equation two moles of aluminum reacts with six moles of hcl to give two moles of alcl3 and three moles of hydrogen gas

given: three moles of al are present and 7 moles of hcl

for three moles of aluminum nine moles of hcl will be required

however as 7 moles of hcl are present so the limiting reagent is hcl

hcl is going to decide the number of moles of product formed

when six moles of hcl are present = 3 moles of h2 are formed

when one mole of hcl is present == 3/6 mole sof h2 will be formed

when 7 moles of hcl are present = 3 x 7/ 6 moles of h2 will be formed = 3.5 moles of h2