Ammonium nitrate fertilizer is sometimes used as an explosive. How many moles of

Question

Ammonium nitrate fertilizer is sometimes used as an explosive. How many moles of water can be formed from the decomposition of 13.2 moles of ammonium nitrate? 2 NH_4NO_3 rightarrow 2 N_2 + O_2 + 4 H_2O 18.0 26.4 14.0 6.60 13.2 Which combination of protons, neutrons, and electrons correctly represents a neutral 57^Fe atom? 57 protons, 26 neutrons. 57 electrons 57 protons. 26 neutrons, 26 electrons 26 protons, 31 neutrons. 57 electrons 26 protons. 31 neutrons. 26 electrons 26 protons, 31 neutrons. 31 electrons A compound is composed of only C and F. It contains 38.71% C. What is its empirical formula? C_2F_5 C_3F_4 CF_2 CF C_2F_3 Which element listed below is not classified as a lanthanide or actinide? Ce Sm U Fr all are lantharides or actinides

Explanation / Answer

6) from balance chemical equation

4 moles of water is formed by 2moles of ammonium nitrate

x number of moles will be formed by 13.2moles of water

x = (2moles * 13.2moles ) / 4moles

x = 6.6 moles ( So , option (d ) is correct option.

7) As atomic number of iron is 26 . So , number of proton and number of electron will be 26 because atomic number is the number of proton or electron. The number of neutron will be

n = mass number - Atomic number

= 57 -26

= 31

So , (26, , 31 , 26) which is option d

8) Let total mass of compound is 100g

mass of carbon will be = 0.38

number of moles will be = o.38 / 12 = o.o32moles

Mass of iron will be = 0.61

number of moles will be = o.61 / 59 = 0.010moles

if we multiply by hundered we will get

moles of carnon = 3.2

moles of iron = 1

Its look like option a C2F5

9) Uranium ( U) belongs to actinide series. So , option c is a correct option

  

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