Consider the following balanced chemical equation: 3H2+ N2--> 2NH3 How many moles of N2 are needed to react with 6.9 moles of H2

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explanation:

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d: the voltage of the secondary coil is less than that of the primary coil.

im not suree sorry if wrong

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.