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
pickupchik [31]
3 years ago
12

Elemental analysis of the unknown gas from part a revealed that it is 30.45% n and 69.55% o. what is the molecular formula for t

his gas? express your answer as a chemical formula.
Chemistry
1 answer:
Gnesinka [82]3 years ago
6 0

Assuming we have 100 g of sample

30.45/MW of N 14g = 2.175

69.55/MW of O 16g = 4.34

4.34/2.185 = 2

for every 1 mole of N we have 2 moles of O

so the empirical formula would be NO2

without having the molecular weight of the entire molecule the molecular formula can not be determined with the information in your question

You might be interested in
Automotive airbags inflate when a sample of sodium azide, NaN3, is very rapidly decomposed.
Kobotan [32]

Answer:

148 g

Explanation:

Step 1: Write the balanced equation for the decomposition of sodium azide

2 NaN₃ ⇒ 2 Na + 3 N₂

Step 2: Calculate the moles corresponding to 95.8 g of N₂

The molar mass of N₂ is 28.01 g/mol.

95.8 g × 1 mol/28.01 g = 3.42 mol

Step 3: Calculate the moles of NaN₃ needed to form 3.42 moles of N₂

The molar ratio of NaN₃ to N₂ is 2:3. The moles of NaN₃ needed are 2/3 × 3.42 mol = 2.28 mol.

Step 4: Calculate the mass corresponding to 2.28 moles of NaN₃

The molar mass of NaN₃ is 65.01 g/mol.

2.28 mol × 65.01 g/mol = 148 g

8 0
2 years ago
Jshsbdbfbbbfffbbdvdvsgssggdhdh
11Alexandr11 [23.1K]
Very nice english.......
8 0
2 years ago
What is the relationship between specific heat and the rate of heating?
s344n2d4d5 [400]

Answer:

the rate of heat transfer is directly proportional to the mass flow rate.

Explanation:

There is an elementary equation from basic thermodynamics that states that the rate of heat transfer (Q) equals the mass flow rate (M) times a Constant (the specific heat of water) times the Delta T (fluid temp out minus fluid temp in): Q = M x C x Delta T In other words, the rate of heat transfer is directly proportional to the mass flow rate.

4 0
3 years ago
PLS HELP ME IN THIS QUESTION
Gnesinka [82]

Answer:

the first one is just water and the second one is gas

Explanation:

7 0
3 years ago
Read 2 more answers
Which SI unit is appropriate for measuring the height of a person?
lutik1710 [3]
Para medir uma pessoa é necessario valor em METROS!!
espero ter ajudado!! ; )
5 0
3 years ago
Other questions:
  • What if cell differentiation did not occur?
    12·1 answer
  • If environmental scientists want to publish a paper on an experiment for an audience of fellow speacialist where do they do so
    10·2 answers
  • Consider the group a1 element sodium atomic number 11, the group 3a element aluminum atomic number 13, and the group 7a element
    10·1 answer
  • What characteristics of polyethylene glycol (PEG) make it an excellent substance for the liquid inside the paintballs?
    15·1 answer
  • 5.00 of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a molecular molar mass of 128
    12·1 answer
  • A commercial oven with a book value of $67,000 has an estimated remaining 5 year life. A proposal is offered to sell the oven fo
    13·1 answer
  • Which ion of nitrogen is smaller: N3+ or N5+? ​
    13·2 answers
  • PLEASE HELP!!! I'll give brainliest answer
    9·2 answers
  • Help ASAP
    5·2 answers
  • How is area and volume of cuboids calculated?​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!