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Svetradugi [14.3K]
3 years ago
6

What are the 5 energy changes that occur when you light a firecracker?

Chemistry
1 answer:
Slav-nsk [51]3 years ago
8 0
Light,heat,fire,explosions
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Hazardous materials are grouped into classes identifying their.
saveliy_v [14]

Hazardous materials are grouped into classes identifying their similarities in composition and structure.

<h3>Why hazardous materials are grouped into classes?</h3>

The hazardous materials are grouped into classes in order to tell us about the severity of hazard and it is done on the basis of similarity in composition.

So we can conclude that hazardous materials are grouped into classes identifying their similarities in composition and structure.

Learn more about hazardous here: brainly.com/question/7310653

8 0
2 years ago
Define thermal conductor
user100 [1]

Answer: A thermal conductor is a material that allows energy in the form of heat, to be transferred within the material, without any movement of the material itself.

Explanation:

4 0
4 years ago
PLEASE HELP! WILL GIVE BRAINLIEST:
Ad libitum [116K]

2.45 °C

From the Ideal gas law (Combined gas law)

PV/T = P'V'/T' .....eq 1

Where:

P - initial pressure

V - initial volume

T - initial temperature

P' - final pressure

V' - final volume

T' - final temperature.

To proceed we have to make T the subject from eq.1

Which is, T = P'V'T/PV.......eq.2

We have been provided with;

Standard temperature and pressure (STP)

P = 760 mm Hg (SP - Standard Pressure)

T = 273.15 K (ST - Standard Temperature)

V = 62.65 L

P' = 612.0 mm Hg

V' = 78.31 L

T' = ? (what we require)

Therefore, we substitute the values into eq.2

T' =

.

T' = 275.60 K

T = (275.60 - 273.15) ......To °C

T = 2.45 °C

>>>>> Answer

Have a nice studies.

5 0
2 years ago
NH3 + CO2 + H2O → NH4HCO3 Balance this reaction if necessary. A) balanced B) 1, 1, 2, 1 C) 1, 2, 1, 2 D) 1, 2, 2, 2
Julli [10]

Answer:

NH3 + CO2 + H2O -> NH4HCO3

This equation is already balanced

4 0
3 years ago
Read 2 more answers
An alternative form or version of a gene is a(n):
uysha [10]

Answer:

The answer is A.allele

Explanation:

An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent.

Did this on e d g e n u i t y!

8 0
3 years ago
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