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
natima [27]
3 years ago
15

Walter was heating some cubes of ice while conducting an experiment. At one point, the ice melted into water. What is the correc

t term used to describe the amount of heat required to prompt a phase change?
Chemistry
2 answers:
tatiyna3 years ago
7 0
This would be the Melting point because it is showing that at a certain heat it melts so therefore it is the point it melts and therefore called the melting point
Burka [1]3 years ago
7 0

Explanation:

At atmospheric pressure the amount of heat energy released or absorbed by a solid when it changes from solid state to liquid state at its melting point is known as latent heat of fusion.

For example, latent heat of fusion of water is 79.72 cal/g, that is, when water changes from ice to liquid state then heat released is 79.72 cal/g.

Hence, we can conclude that the correct term used to describe the amount of heat required to prompt a phase change is latent heat of fusion.

You might be interested in
describe how a pure dry sample of solid lead carbonate can be obtained from sodium carbonate solution and lead nitrate solution
djyliett [7]

Answer:

Soluble salts can be made by reacting acids with soluble or insoluble reactants. Titration must be used if the reactants are soluble. Insoluble salts are made by precipitation reactions.

Making insoluble salts

An insoluble salt can be prepared by reacting two suitable solutions together to form a precipitate.

Determining suitable solutions

All nitrates and all sodium salts are soluble. This means a given precipitate XY can be produced by mixing together solutions of:

X nitrate

sodium Y

For example, to prepare a precipitate of calcium carbonate:

X = calcium and Y = carbonate

mix calcium nitrate solution and sodium carbonate solution together

calcium nitrate + sodium carbonate → sodium nitrate + calcium carbonate

Ca(NO3)2(aq) + Na2CO3(aq) → 2NaNO3(aq) + CaCO3(s)

It also works if potassium carbonate solution or ammonium carbonate solution is used instead of sodium carbonate solution. Remember that all common potassium and ammonium salts are soluble.

please mark as brainliest

Explanation:

7 0
2 years ago
Draw the structure of the neutral product formed in the reaction of dimethyl malonate and methyl vinyl ketone.
Dmitriy789 [7]

Answer:

Explanation:

The reaction between dimethyl malonate which is an active methylene group with an (∝, β-unsaturated carbonyl compound) i.e methyl vinyl ketone is known as a Micheal Addition reaction. The reaction mechanism starts with the base attack on the β-carbon to remove the acidic ∝-hydrogens and form a carbanion. The carbanion formed(enolate ion) attacks the methyl vinyl ketone(i.e. a nucleophilic attack at the β-carbon) to give a Micheal addition product, this is followed by the protonation to give the neutral product.

3 0
2 years ago
How many moles of hydrogen are needed to completely react with 2 moles of nitrogen
Natali5045456 [20]
Assuming ammonia is the product of this reaction:

N2+3H2--->2NH3

2 mole N2 * (3 mol H2)/(1 mol N2)= 6 mol H2

You would need 6 mol of hydrogen gas to completely react with 2 mol of nitrogen. 
5 0
3 years ago
What exactly is a lode
Aloiza [94]

Answer:

A veinlike deposit, usually metalliferous.

Any body of ore set off from adjacent rock formations.

A rich supply or source

4 0
3 years ago
Read 2 more answers
PLEASE HURRY!!
AysviL [449]

Answer:

Molar mass of acetic acid is 60 g/mol

Explanation:

Look at the formula:

CH₃COOH

We have:

  • 2 moles of C → 12.011 amu . 2 = 24 g/mol
  • 4 moles of H →  1.008 amu . 4 = 4 g/mol
  • 2 moles of O → 15.999 amu . 2 = 32 g/mol

Let's sum the mass of each element

24 g/mol + 4 g/mol + 32 g/mol = 60 g/mol

8 0
3 years ago
Other questions:
  • 2. How much heat is released when 432g of water cools down from 710C to 180C?
    10·1 answer
  • What is the chemical equation for the electolysis of common salt?
    9·2 answers
  • The large diversity of biological molecules depends on atoms of the element __________. this element can make stable bonds to it
    13·1 answer
  • Compounds may be represented by chemical formulas. In the chemical formula for water which is H20, the 2 which represents the nu
    11·2 answers
  • Which statement about electrons and atomic orbitals is not true? A. An electron has the same amount of energy in all orbitals. B
    5·2 answers
  • 2. What effect does amount of water have on plant growth?
    7·2 answers
  • If Beryllium were to lose a proton, it would become a(n)
    13·1 answer
  • Which of the following balances has the least uncertainty? (PSS.1)
    13·1 answer
  • PLSS CAN ANYONE HELP ME..​
    9·1 answer
  • What will most likely happen when a component is removed from a reaction system at equilibrium?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!