1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Iteru [2.4K]
3 years ago
8

PLEASE HELP ASAP!

Chemistry
1 answer:
hoa [83]3 years ago
3 0

Answer:

A. 145.2 g NH3

B. 0.76 g H2

C. 1.41 x 10^22 molecules NH3

Explanation:

A. 1 mol N2    -> 2 mol NH3

   4.27 mol N2 -> x

x= (4.27 mol N2 * 2 mol NH3)/1 mol N2     x= 8.54 mol NH3

1 mol N2       -> 17 g

8.54 mol N2 -> x        x= 145.2 g NH3

B.

2 g H2  -> 34 g NH3

         x   -> 13.01 g NH3

x= 0.76 g H2

C.

2 g  H2      -> 34 g NH3

0.0235 g H2 -> x

x=   0.39 g NH3

0.39 g NH3 (1 mol NH3/17 g NH3)(6.023 x 10^23 molecules/1 mol NH3) =

1.41 x 10^22 molecules NH3

You might be interested in
Question 9 (1 point)
Juliette [100K]

Noble gases

Explanation:

     Electronic configuration 1s²  2s²   2p⁶

 The element belongs to the group of the noble gases.

  • The noble gases have complete outer shell configuration of their atoms.
  • we can infer that the configuration above is for an element in the p-block because the last sub-level filled is the p-orbital.
  • The elements therefore belongs to the p-block
  • The block is from group 111A to O
  • Only the halogens and noble gases fits this picture from the option.
  • The outer most p-subshell have three orbitals requiring 6 electrons to fill them up.
  • This makes a complete and stable configuration.
  • The highest energy level of 2 is also made up of 8 electrons, an octet.
  • This is why we can conclude that they are noble gases.

Learn more:

Noble gas brainly.com/question/1781595

#learnwithBrainly

7 0
3 years ago
How many grams contained on 78.4 moles of neon
Natali [406]
You have 3.498 moles of the gas/neon
5 0
3 years ago
Read 2 more answers
____H2 + ____O2 ---&gt; ____H20<br><br> 2, 1, 1<br> 2, 2, 1<br> 2, 1, 2<br> 1, 2, 2
Tems11 [23]
2H2+O2----->2H2O. I hope this helps
6 0
3 years ago
Read 2 more answers
Why are the top of sea mounts flat?
Firdavs [7]

Erosion from the waves wash away the top layer making it flat on top.

3 0
3 years ago
Acetylsalicylic acid (C9H8O4) is a monoprotic acid commonly known as aspirin. A typical aspirin tablet, however, contains only a
pashok25 [27]

Answer:

6 grains

Explanation:

The equation of the reaction between NaOH and aspirin is;

C9H8O4(aq) + NaOH (aq) ------>C9H7O4Na(aq) + H2O(l)

Amount of NaOH reacted = concentration × volume = 0.1466 M × 14.40/1000 L = 2.11 × 10^-3 moles

Given that aspirin and NaOH react in a mole ratio of 1:1 from the balanced reaction equation above, the number of moles of aspirin reacted is 2.11 × 10^-3 moles

Hence mass of aspirin reacted = 2.11 × 10^-3 moles × 180.2 g/mol = 0.38 g

If 1 grain = 0.0648 g

x grains = 0.38 g

x= 0.38 g/0.0648 g

x= 6 grains

3 0
3 years ago
Other questions:
  • How is plutonium made
    10·1 answer
  • a bottle of rubbing alcohol is labeled 70%(v/v) how many milliliters of isopropyl alcohol are in a 400ml bottle of this solution
    7·1 answer
  • 5.05 g<br> Express your answer as an integer.
    5·1 answer
  • Please i need the answer for 18,19,20<br><br><br>Answer and I will give you brainiliest <br>​
    5·1 answer
  • True or false: The force exerted onto an object must be perpendicular to the displacement if work is to be considered done.
    10·1 answer
  • ¿Qué papel creen que cumplían en sus respectivas sociedades ? es para hoy porfis ayudemeee​
    5·2 answers
  • In this system, potential and kinetic energy are___proportional
    5·2 answers
  • According to Coulomb’s law, what will happen to the electric force between
    7·1 answer
  • Account for the difference in the masses of coke and diet coke
    7·1 answer
  • A girl and her dog are running away from their house. The dog has a mass of 20kg. The girl has a mass of 60 kg.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!