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Katena32 [7]
3 years ago
14

A physical change differs from a chemical change in hat waste products are formed through chemical changes. true or false?

Chemistry
2 answers:
masha68 [24]3 years ago
4 0
I would say true :D I think
Semmy [17]3 years ago
3 0

The answer is false not true false I said I just got the question wrong it is FALSE. Thank you for your time.

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C2H5OH(g) + 302(g) → 2CO2(g) + 3H2O(g) + heat<br> reaction type
Tcecarenko [31]

Answer:

Combustion

Explanation:

The reaction type is a combustion reaction;

        Ethanol + oxygen gas  →  carbon dioxide + water

Now;

  Ethanol is the fuel and oxygen gas rapidly combines with it to form carbon dioxide and water.

  • This process releases heat energy from chemical bonds.
  • Most hydrocarbons burn in excess air or oxygen to give carbon dioxide and water.  
5 0
3 years ago
Describe the mass of the reactants and products given the balanced chemical reaction.
Andru [333]

Answer:

The mass of the reactants equals the mass of the products.

5 0
3 years ago
Support gases system are subject to the same hazards as, present in any piped medical gas system with the additional hazard of__
balandron [24]

The complete statement will be "Support gases system are subject to the same hazards as, present in any piped medical gas system with the additional hazard of higher pressure"

<h3>What are gas systems?</h3>

Generally, A gas system is simply defined as an assemblage of tubes, used for gas reticulation and circulation.

In conclusion, a higher pressure will be experienced as an additional hazard to the medical gas system.

Read more about Pressure

brainly.com/question/25688500

6 0
2 years ago
A piece if stone has a mass of 24.595 grams and a volume of 5.34 cm ^3. What is the density of the stone
Rudik [331]

Answer:

The answer is

<h2>4.61 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question

mass of stone = 24.595 g

volume = 5.34 cm³

The density of the stone is

density =  \frac{24.595}{5.34}  \\  = 4.605805243...

We have the final answer as

<h3>4.61 g/cm³</h3>

Hope this helps you

5 0
3 years ago
sanitary pads and diapers contain higher phthalate contents than those in common commercial plastic products
Vitek1552 [10]

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Sanitary pads and diapers are made of synthetic plastic materials that can leach into the environment when used. The amounts of volatile organic compounds (VOCs) (methylene chloride, toluene, and xylene) and phthalates (DBP, DEHP, DEP, and BBP) found in sanitary pads and diapers were measured in this study. VOC and phthalate concentrations in sanitary pads varied by 5,900 and 130 times, respectively. VOC and phthalate concentrations in diapers varied by three and sixty-three times between brands. The VOC concentrations in sanitary pads and diapers were comparable to those in residential air. However, sanitary pads and diapers had significantly higher phthalate concentrations than common commercial plastic products.

Learn more about phthalate content here :-

brainly.com/question/22278201

#SPJ4

6 0
2 years ago
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