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
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
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.
You might be interested in
what is a mole and why does a mole of magnesium and a mole of carbon weigh different they have the same number of atoms?
timofeeve [1]
~ A mole is a unit of 6*10^23.

~One mole of carbon atoms has a mass of exactly 12 g.

~ Because magnesium atoms each have twice the mass of carbon atoms ( 24Mg compared with 12C), one mole of magnesium has a mass of 24 g.

~ Rather, one mole of any element has a mass in grams that is equal to its relative atomic mass.
8 0
3 years ago
What is the volume occupied by 112.0 grams of mercury
-BARSIC- [3]

Answer:

V= 8.235 ml

Explanation:

The man above me copied me from the comments

I did it >:C

8 0
3 years ago
1) Назвать все соединения. 2) Указать тип гибридизации каждого углерода в каждом соединении. 3) Число пи- и сигма-связей в каждо
Nat2105 [25]

Answer:

2

Explanation:

6 0
3 years ago
Read 2 more answers
Winding up for a pitch kinetic energy or potential energy
aev [14]
Potential because it hasnt released yet
4 0
4 years ago
Read 2 more answers
A compound has the empirical formula chcl. a 256ml flask, at 373 k and 750. torr, contains 0.800 g of the gaseous compound. give
Mashutka [201]

The answer is 2 I think



4 0
3 years ago
Other questions:
  • What is the mass of 2.0 moles of CO2
    5·1 answer
  • Using the following bond energies:
    14·1 answer
  • In the equation 2 H2 + O2 -> 2H2O, H2, O2, and H2O are all trace elements. Only H2O is a compound. Only H2 and O2 are compoun
    6·1 answer
  • Calculate the solubility of cux(ksp=[cu2 ][x2?]=1.27×10?36 in a solution that is 0.120 m in nacn.
    5·1 answer
  • A family is another name for a<br> on the periodic table of elements.
    10·1 answer
  • How much energy is required to heat 14 grams of water from 18 degrees Celsius to 47 degrees Celsius
    12·1 answer
  • Why aren’t the same natural resources found all over the world?
    15·2 answers
  • How long will it take for the concentration of A to decrease from 0.850 M to 0.205 for the reaction A → Products? (k = 0.0882 M⁻
    8·1 answer
  • The neighborhood swimming pool is 20 feet long, 8 feet wide, and 4 feet deep. Which formula below should be used to find how muc
    13·1 answer
  • I need answer for a. (ii) pls​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!