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
ale4655 [162]
3 years ago
6

What compound requires the most energy to melt

Chemistry
1 answer:
FinnZ [79.3K]3 years ago
7 0

Answer:  Tungsten. This requires a lot of energy. Molecules are held together by covalent bonds, which are strong.

You might be interested in
What can be dissolve by water
yanalaym [24]
C. All of them can be dissolved because, they are all solvents.
3 0
4 years ago
Read 2 more answers
A sample of iron metal absorbs 4.56j of heat, upon which temperature of the sample increased from 29 degrees c to 36 degrees c.
solmaris [256]

Answer:

Mass = 1.42 g

Explanation:

Given data:

Amount of heat absorbed = 4.56 j

Initial temperature = 29°C

Final temperature = 36°C

Mass of iron metal = ?

Specific heat capacity of iron = 0.46 j/g.°C

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = T2 - T1

ΔT = 36°C - 29°C

ΔT = 7°C

Q = m.c. ΔT

m = Q / c. ΔT

m = 4.56 j / 0.46 j/g°C . 7°C

m = 4.56 j /3.22 j/g

m = 1.42 g

6 0
3 years ago
Help pls, it's a test about fossils?
Anna71 [15]

Answer:

C. At some point, the land was covered in water.

Explanation:

In the diagram it shows the different fossil layers. In the bottom layers there are shells, but as you go up the fossils start changing. This shows that there used to be water there, but now it is land.

6 0
3 years ago
Iron is ___<br> A, FE<br> B,CU<br> C,K<br> D, CA
Fiesta28 [93]

<em>Answer:</em>

<em>Ello mate ! the answer is super simple it's option "A" Fe</em>

<em>Explanation:</em>

<em>Iron is a chemical element with symbol</em><em> "Fe"</em><em> and atomic number 26. It is a type of metal, that belongs to the first transition series and group 8 of the periodic table. It is by mass the most common element on Earth, forming much of Earth's outer and inner core.</em>

5 0
4 years ago
Read 2 more answers
What is the mass of 3.0 x 10^23 atoms of neon
kari74 [83]
Molar mass neon = <span>20.1797 g/mol

20.1797 g ---------- 6.02x10</span>²³ atoms
         ? g ------------ 3.0 x 10²³ atoms

mass = 3.0 x 10²³ *  <span>20.1797 / 6.02 x 10</span>²³

mass = 6.054x10²⁴ / 6.02 x 10²³

mass = 10.05 g

hope this helps!
6 0
3 years ago
Read 2 more answers
Other questions:
  • Draw the organic and inorganic products for the following acid/base reaction as well as the charges.
    7·1 answer
  • HELP!!! please if anyone could help me with these two questions.?
    15·2 answers
  • What is the electron configuration for Bromine? It has 27 electrons. I think the electron configuration for Bromine is : I'm sor
    13·2 answers
  • Using the model for the formation of Scandium Fluoride (an ionic compound), write the chemical formula.
    10·1 answer
  • A man receives a platinum ring from his fiancee. Before the wedding, he notices that the ring feels a little light for its size
    12·1 answer
  • Which one of the following statements about the carbon phosphorus and nitrogen cycles is true ?
    11·1 answer
  • A 2.2 M solution is made by with 0.45 moles of a solute. What is the final volume of this solution?
    10·1 answer
  • Explain why there are rainbows in the sky after it rains.
    7·1 answer
  • Write the value represented by 4.5x10-6 g
    8·1 answer
  • A student performs an experiment to determine the density of an unknown metal. The student obtains the following data...
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!