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
wel
3 years ago
13

How can you tell the substances melting point by looking at a graph?

Biology
1 answer:
alex41 [277]3 years ago
4 0

On a graph of temperature vs. time, it shows pure substances exhibit a sharp boiling point and a sharp melting point as a horizontal flat line wherein the temperature does not change over time up until all the pure substances boiled or melted. The temperature stays stable at 160°C between 4 minutes and 11 minutes. This horizontal flat line part of the graph is normal of a pure substance. The melting point of a solid substance is usually used to specified if the substance is pure. Likewise, the boiling point of a "liquid" substance can be used to specify if the substance is pure as well.

You might be interested in
A woman's ovary is _____ times the size of a single sperm.
Reika [66]
<span>A woman's ovary is sixteen times the size of a single sperm. This allows said sperm, or any of its friends, to penetrate the ovary with ease and precision. The ovary will also serve as the home for this sperm during its growth, proving that its larger size has multiple purposes in assisting in sperm growth.</span>
4 0
3 years ago
Minerals are grouped into mineral classes primarily on a basis of ________.
pentagon [3]
<span>b. chemistry, specifically the anions within the chemical formula</span>
6 0
3 years ago
A muskrat population is growing exponentially. What might cause this population to enter logistic growth?
QveST [7]
What might cause this population to enter logistic growth? resources become scarce birth rate increases emigration decreases carrying capacity is increased.
8 0
3 years ago
Name two ways that a cell would be harmed if the cell membrane were damaged.
LenaWriter [7]
Damage to cell membrane can also lead to leakage of important cell constituents required for various metabolism of the cell. There can also be imbalance of electrolyte concentration in the cell which could lead to damage of proteins and organelles of the cell.
3 0
2 years ago
Does anyone want to be friends with me and it has it be a boy not girls
Yanka [14]

Answer:

Sure

Explanation:

5 0
3 years ago
Other questions:
  • Watch the video “Teen Stress.” Now, imagine that a friend confides in you that he is going to the doctor because he feels that s
    12·2 answers
  • Innate immunity includes all of the following EXCEPT
    6·1 answer
  • Refer to Lab 4.04, Part 3. A man who is color-blind marries a woman who is not color-blind and is not a carrier of the allele fo
    10·2 answers
  • Which gas is responsible for global warming and Which gas is responsible for ozone layer depletion?
    11·1 answer
  • All the known dwarf planets except Ceres orbit in the A. asteroid belt. B. Milky Way. C. Kuiper belt. D. Oort cloud.
    14·1 answer
  • Your six friends have just arrived from Canada back to their school’s biology lab.
    7·1 answer
  • Which describes how a centrifuge separates a mixture? It spins a sample to separate based on density. It spins the sample to sep
    10·1 answer
  • What structure bring water into the leaf from the roots?
    13·1 answer
  • I'll give you a brain list if you help me.
    8·1 answer
  • I need help!!!!!!!!!!​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!