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Tatiana [17]
3 years ago
11

Maria and Miquel were enjoying the fireworks when they got into a chemistry argument. Maria insisted that the fireworks were the

result of a chemical reaction. Miguel disagreed. What would you tell them to solve this argument? A) It is a change of state, solid to gas, due to the addition of energy. B) It was a physical reaction since the fuse was lit and heat was produced. C) The color changes and the release of energy indicate a chemical reaction. D) It is an endothermic reaction because energy was added; therefore it is a chemical reaction, Eliminate
Physics
2 answers:
mart [117]3 years ago
8 0

the answer is C, The color changes and the release of energy indicate a chemical reaction. hope that helps, :)

Tcecarenko [31]3 years ago
5 0
In this case, there is a chemical reaction where there is the burning of fuels that can vary between some within the periodic table, but when the fuel is burned a reaction occurs that gives the coloration the explosions of the fires.
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Plasma

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azamat

Explanation:

Iron                              transition metal

Potassium                   Alkaline metal

Strontium                    Alkaline earth metal

Platinum                      transition metal

The periodic table arranges elements based on their atomic numbers into periods and groups. Atomic number is the number of protons an atom contains.

On the periodic table:

 Group IA    is called Alkaline metal

Group IIA    is the Alkaline earth metals

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Running a check of the given elements on the periodic table will confirm answer.

Learn more:

Periodic table brainly.com/question/8543126

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7 0
3 years ago
At a stoplight, a truck traveling at 15 m/s passes a car as it starts from rest. The truck travels at constant velocity and the
Art [367]
The time that the car take to catch up to truck would be :

1/2 ar^2  = vt

1/2 (3) t^2 = 15t

1.5  t^2  =  15t

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Hope this helps
4 0
3 years ago
Wile E. Coyote is holding a "HEAVY DUTY ACME™ ANVIL" on a cliff that is 40.0 meters high. The Roadrunner (beep-beep), who is 1.0
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Answer:

53.8

Explanation: I plugged it on the formula

3 0
2 years ago
A car is initially moving at 35 km/h along a straight highway. To pass another car, it speeds up to 135 km/h in 10.5 seconds at
Aleks04 [339]
Acceleration = (velocity final-velocity initial)/ time
where
velocity final = 135 km/hr x 1 hr /3600 s x 1000m/1km
                     = 37.5 m/s
velocity initial = 35 km/hr x  1hr /3600 s x 1000 m/1 km
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a) acceleration = 2.646 m/s^2
b) acceleration in g units  = (2.646m/s^2)/(9.8m/s^2)
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6 0
3 years ago
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