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aleksandr82 [10.1K]
2 years ago
7

An auomobile can travel 40.0 miles on one gallon of gasoline.how many kilometers per liter is this?(1.61 km= 1 mi; 1L=0.246 gal)

Chemistry
1 answer:
Karo-lina-s [1.5K]2 years ago
7 0
40 mi/gal * 1.61 km/mi * 0.264 gal/li 

40*1.61*0.264 

17 km/li 
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c

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The production of new skin cells to replace those that have been lost is an example of what characteristic of life?
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5 0
1 year ago
When NH3(g) reacts with N2O(g) to form N2(g) and H2O(g), 105 kcal of energy are evolved for each mole of NH3(g) that reacts. Wri
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Answer : The balanced chemical equation is,

2NH_3(g)+3N_2O(g)\rightarrow 4N_2(g)+3H_2O(g)+210kcal

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Balanced chemical equation : It is defined as the number of atoms of individual elements present on the reactant side must be equal to the number of atoms of individual elements present on product side.

The given unbalanced chemical reaction is,

NH_3(g)+N_2O(g)\rightarrow N_2(g)+H_2O(g)+105kcal

This chemical reaction is an unbalanced reaction because in this reaction, the number of atoms of individual elements are not balanced.

In order to balanced the chemical reaction, the coefficient 2 is put before the NH_3, the coefficient 3 is put before the N_2O\text{ and }H_2O and the coefficient 4 is put before the N_2.

The energy evolved in this reaction = 105Kcal\times 2=210Kcal

Thus, the balanced chemical reaction will be,

2NH_3(g)+3N_2O(g)\rightarrow 4N_2(g)+3H_2O(g)+210kcal

7 0
3 years ago
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Vanyuwa [196]

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7 0
3 years ago
Read 2 more answers
Someone help1!1!1!1!!!!!
alisha [4.7K]
The question is cut off in the picture
7 0
3 years ago
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