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
Nat2105 [25]
3 years ago
14

How do you recognize substances that have gone through physical or chemical changes?

Computers and Technology
2 answers:
Leviafan [203]3 years ago
7 0
Normally  you can't.   You cannot tell if water has been frozen and then thawed.
Valentin [98]3 years ago
5 0

Answer:

you normally cant tell if something went through chemical change, like sugar and coffee, after the sugar melts into the coffee you cant get it back or tell if there is sugar in it by looking at it.

Explanation:

hope this helps! :)

You might be interested in
Could someone give an example or tell me what all of these mean? (For internet source citing) Evaluation: • Domain Name: • Autho
koban [17]

Evaluation-the making of a judgment about the amount, number, or value of something; assessment

Domain Name-Is a websites name (ex-Google)

Authoritativeness-The quality of possessing authority. The quality of trustworthiness and reliability.

Accuracy-the quality or state of being correct or precise

Timeliness-the fact or quality of being done or occurring at a favorable or useful time.

Objectivity-the quality of being objective.

Writing Style and Mechanics-Style has to do with how a piece of writing sounds. Everyone has a style which develops along with their writing.

Paragraph structure: Each paragraph should begin with a topic sentence that provides an overall understanding of the paragraph. ...

Sentence length: Sentences should be kept as short as possible so that their structure is simple and readable.

Graphics-are visual images or designs

Links- is an open source text and graphic web browser with a pull-down menu system.

8 0
3 years ago
Describe how computer are used in ticket counter?​
m_a_m_a [10]

Answer:

These systems are commonly used in facilities such as public libraries to ensure equitable use of limited numbers of computers. Bookings may be done over the internet or within the library itself using a separate computer set up as a booking terminal.

6 0
3 years ago
Edhesive unit 4 test
sergij07 [2.7K]

Answer:

padna jana ta yarrr kasto this yarr

8 0
3 years ago
Chemical equations of Carbon + water​
Setler79 [48]

Answer:

Aqueous carbon dioxide, CO2 (aq), reacts with water forming carbonic acid, H2CO3 (aq). Carbonic acid may loose protons to form bicarbonate, HCO3- , and carbonate, CO32-. In this case the proton is liberated to the water, decreasing pH. The complex chemical equilibria are described using two acid equilibrium equations.

PLS MARK AS BRAINLIEST

8 0
3 years ago
How do you select a single cell, a single column, a single
Vedmedyk [2.9K]

Answer:

To select nonsequential cells, click the first cell, hold down the Ctrl key, and click each additional cell (or row or column) you want to select. To selectthe entire worksheet, click the small box located to the left of column A and above row 1. Optionally, you can selectall cells in a worksheet by pressing COMMAND+A......

To select all cells on a worksheet, use one of the following methods:

Click the Select All button.Press COMMAND+A. Note If the worksheet contains data, and the active cell is above or to the right of the data, pressing COMMAND+A selects the current region. Pressing COMMAND+A a second time selects the entire worksheet.

8 0
3 years ago
Other questions:
  • While working alone at their respective constant rates, computer X processes 240 files in 4 hours and computer Y processes 240 f
    11·1 answer
  • Wireless networks are the most difficult type of network to set up <br> true or false
    15·1 answer
  • , 13 dB correspond to a power ratio of ....?
    14·1 answer
  • What code do I have to use in my php if i don’t want my $_SESSION[“variablex”] to destroy? But i already have a session_destroy(
    6·1 answer
  • What is keylogging attack?
    13·2 answers
  • If there are 18 people in your class and you want to divide the class into programming teams of 3
    7·1 answer
  • Que es el sistema persona producto?​
    8·1 answer
  • In this exercise, you'll raise a manual exception when a condition is not met in a particular function. In particular, we'll be
    10·1 answer
  • what is the importance of familiarizing and understanding the cells rows and format tools in the microsoft cell​
    9·1 answer
  • he primary purpose of a database query is to a. find and retrieve specific information. b. correct information in the database.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!