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
zhannawk [14.2K]
3 years ago
8

3.Firefighters’ uniform is coated with a plastic that is fire resistant. Identify the plastic from the given

Chemistry
1 answer:
Tresset [83]3 years ago
5 0

Answer: b. Melamine

Explanation:

You might be interested in
Metallic copper is formed when aluminum reacts with copper(II) sulfate according to the
katovenus [111]

Answer: Given the equation for reaction is

2 A l +C u S O 4 → A l 2 ( S O 4 ) 3 + 3 C u .

Explanation:

3 0
2 years ago
Sodium azide decomposes rapidly to produce nitrogen gas.
brilliants [131]

Answer:

156 g

Explanation:

Let's consider the following reaction.

2 NaN₃(s) → 2 Na(s) + 3 N₂ (g)

We can find the moles of N₂  using the ideal gas equation.

P × V = n × R × T

1.50 atm × 60.0 L = n × (0.08206 atm.L/mol.K) × 305 K

n = 3.60 mol

The molar ratio of N₂ to NaN₃ is 3:2. The moles of NaN₃ are:

3.60 mol N₂ × (2 mol NaN₃ / 3 mol N₂) = 2.40 mol NaN₃

The molar mass of NaN₃ is 65.01 g/mol. The mass of NaN₃ is:

2.40 mol × 65.01 g/mol = 156 g

4 0
3 years ago
Is Tetracarbon decoxide ionic or covalent?
Cloud [144]

Answer: covalent bond

Explanation: Tetracarbon Hexahyride is built using covalent bonds

Hope this helps please mark brainlist it would be greatly appreiciated :)

8 0
3 years ago
Why is chemistry important? i need 2 paragraph please
Sergio [31]
It is important because 1 plus one is 2 and 2 plus 2 is 4
6 0
3 years ago
Plz help it over science stuff
kotykmax [81]
The answer to this question is 325 i believe
5 0
2 years ago
Other questions:
  • It is the difference in the r group that makes each amino acid chemically unique. it is the difference in the r group that makes
    12·2 answers
  • How do you work out question 1a?
    6·1 answer
  • What factors affect the rate of a chemical reaction?
    11·1 answer
  • HELP
    10·2 answers
  • Calculate the number of grams of solute in 814.2mL of 0.227 M calcium acetate
    12·1 answer
  • It is important that the United States move with all deliberate speed to develop and get into usage alternative fuels that will
    8·1 answer
  • Which type of reaction forms water from hydrogen and oxygen atoms?
    15·1 answer
  • How many moles of C5H120 would it take to generate 4.2 moles of CO2 from combustion?
    10·1 answer
  • #1-9: Write M for Mercury, V for Venus, or B for both planets in the blank before each statement below.
    5·2 answers
  • Which statement is true about the radii of Na and Na+?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!