1answer.
Меню
Ask question
Login
Signup
Ask question
Menu
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
svp
[43]
3 years ago
14
What are some signs that a chemical change takes place when a firework explodes? Matter is destroyed Light is produced Heat is p
roduced The chemical composition is not changed
Chemistry
Answer
Comment
Send
1
answer:
Radda
[10]
3 years ago
4
0
Well, the answer relies on all four factors, I mean on all options. So, the answer is A, B, C, and D.
Send
You might be interested in
Calculate 5+7*3*<br><br> Your answer:
Mrac [35]
I got the answer 26
I’m confused what the star after the 3 is
hoped this helped:)
5
0
3 years ago
Read 2 more answers
This chemical equation is balanced.
alina1380 [7]
Answer:
A
Explanation:
6
0
3 years ago
3. A diamond contains 0.090 moles of carbon What is the mass of the diamond?
Nady [450]
Answer:
1.0809
Explanation:
3
0
3 years ago
A uranium atom has 92 protons in its nucleus. how many electrons does it have?
sweet [91]
In a balanced, non-charged atom, the number of protons (positive charge) is equal to the number of electrons (negative charge)
So there are 92 electrons
4
0
3 years ago
Read 2 more answers
density of a sample of tin is 8 g/'ll when the actual density was 7.28 g/ml. what was the percentage error
riadik2000 [5.3K]
9.9%
|Approximate Value − Exact Value| divided by
|Exact Value| X 100
7
0
3 years ago
Other questions:
Energy cannot be created or destroyed. It can only be transferred from one form to another. Energy that is "wasted," does not di
10
·
2 answers
A molecule contains 18 atoms and undergoes a physical change. How does the physical change affect the total number of atoms of e
8
·
2 answers
What is the mass of 5.30×1021 platinum atoms?
9
·
1 answer
What is the density (g/ml) of an object that has a mass of 14.01 grams and when placed into a graduated cylinder, causes the wat
6
·
2 answers
Q1: Erosion and weathering are often confused. How is erosion different from weathering? Give an example of each.
6
·
1 answer
Researchers have developed cars which navigate and steer themselves. Aside from cost, what is most likely the main factor keepin
13
·
2 answers
Mosquito repellent is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours
6
·
1 answer
Which ball has the most energy?
5
·
2 answers
Having the same number of protons and electrons results in a positively charged atom.
6
·
1 answer
Study the diagram of radioactive decay. Which option identifies what the arrows in the diagram represent? atoms and elements ele
8
·
2 answers
×
Add answer
Send
×
Login
E-mail
Password
Remember me
Login
Not registered?
Fast signup
×
Signup
Your nickname
E-mail
Password
Signup
close
Login
Signup
Ask question!