HELP ME PLEASE LIKE FRRR That energy can be used by plants or animals that eat plants. Energy from ___ is then passed to___.
This can be seen when we observe a . Energy flows fromto when it is eaten. (Citation goes here)
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http://hyperphysics.phy-astr.gsu.edu/hbase/Biology/imgbio/treecycle.p ng

Explanation:

the answer for sodium is 0.186

the answer for rubidium is 0.251

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