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
siniylev [52]
3 years ago
5

What is the element with period 2 group 14

Chemistry
2 answers:
Ghella [55]3 years ago
7 0

Answer:

Carbon

Explanation:

bija089 [108]3 years ago
6 0
The element name is carbon
You might be interested in
A green laser pointer emits light with a wavelength of 542 nm. What is the frequency of this light?
ehidna [41]
As we know that wavelength and frequency is inversely proportional to each other. Greater the wavelength smaller the frequency and vice versa.
 
Solution:


The relation between wavelength and frequency is as follow,

υ = c / λ

where
            υ = frequency = ?
            c = velocity of light = 3.0 × 10⁸ ms⁻¹
            λ = wavenumber = 542 nm = 542 × 10⁻⁹ m
Putting the given values,
    
            υ = 3.0 × 10⁸ ms⁻¹ / 542 × 10⁻⁹ m
Result:
            υ = 5.53 × 10¹⁴ s⁻¹
6 0
3 years ago
Ms. Sharkey wanted to see which tennis shoes made her run the fastest. She bought
Svetach [21]

Answer:

to compare the data she has got?

7 0
3 years ago
Which statement best describes how matter and energy is cycled through the ecosystem?
sasho [114]

D. Matter and energy are the same.

3 0
2 years ago
Forests are the only carbon sinks on Earth. Please select the best answer from the choices provided T F
dmitriy555 [2]
False, as oceans can act as carbon sinks along with forests. 
4 0
3 years ago
Read 2 more answers
Pls help me i dont know this
r-ruslan [8.4K]

Answer:

1. 12.6 moles

2. 8.95 moles

3.  2A + 5B → 3C

4. 48 moles

Explanation:

1. 2Fe + 3Cl₂ → 2FeCl₃

We assume the chlorine in excess. Ratio is 2:2

2 moles of Fe, can produce 2 moles of chloride

12.6 moles of Fe will produce 12.6 moles of chloride.

2. 2Fe + 3Cl₂ → 2FeCl₃

For the same reaction, first of all we need to convert the mass to moles:

500 g . 1mol / 55.85 g = 8.95 mol

As ratio is 2:2, the moles we have are the same, that the produced

4. The reaction for the combustion is:

2C₂H₆ (g) + 7O₂ (g) → 4CO₂ (g) + 6H₂O (l)

We assume the oxygen in excess.

Ratio is 2:6, so 2 mol of ethane produce 6 moles of water

Therefore 16 moles of ethane may produce (16 .6) / 2 = 48 moles

3 0
3 years ago
Other questions:
  • In the space, show a correct numerical setup for calculating the number of moles of CO2 present in 11 grams of CO2
    11·1 answer
  • What group represents the alkaline, alkali, halogens, noble gases, and transition metals elements?
    8·1 answer
  • If 1.00 mol of argon is placed in a 0.500-L container at 27.0 degree C , what is the difference between the ideal pressure (as p
    5·1 answer
  • Sam got 10 cookies and his sister took 3 away from him. How much does sam have left?<br><br>​
    12·1 answer
  • 1. Why is soil erosion relatively less in dense forests as compared to barren, open fields?
    8·2 answers
  • 4Fe + 302 → 2Fe2O3
    14·1 answer
  • Molarity and Dilution
    9·1 answer
  • which of the basic ideas of dalton's Atomic Theory is an extension of what the Greeks believed about atoms?
    5·1 answer
  • Methane Gas (CH4) is an example of a(n) __________. *
    12·1 answer
  • Please some one helpppp!
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!