posted by .

1. Do you think there is very much practical chemistry in today's world? Can you give any examples?

2. When you use different materials, what are they most likely to be made from: Elements, compounds, or mixtures? Which of the three is most rare.

please help... I don't get it... Thanks

  • Science -

    Plastic, glass, metal alloys, medicines, ...

    Most often, mixtures of compounds. most rare is elements.

  • Science -

    1.If you drive a car, you're utilizing the potential energy stored in octane molecules to move your vehicle.

    If you made toast this morning, you oxidized the surface of the bread.

    If you watch color TV, the colors on the screen are due to electrons being excited by high-energy beams of light.

    If you get hot and run the air conditioner, the air is cooled by the compression of a substance called freon.

    If you use anything plastic, you're taking advantage of polymer chemistry.

    If you take any medications, your life could depend on chemistry.

    If you put anti-freeze in your car, you take advantage of the fact that it lowers the freezing point of water.

    If you cook things in a microwave, you are taking advantage of the fact that high energy, invisible light is exciting water molecules.

    If you wear synthetic fabrics, thank a chemist. -lucas c
    2. mixtures of compounds. most rare is elements

  • Science -

    Ms Rena

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. astronomy

    An Extreme Ultrviolet imager telescope is used to observe the sun and has four filters which are sensitive to different wavelenghts of UV radiation.These are: filter: 17.1nm 19.5nm 28.4nm 30.4nm Question: which filters are …
  2. science

    Which of the following is NOT true about compounds?
  3. Science-Chemistry

    when u use different materials, what are they most likely to be made from: elements, compunds, or mixtures?
  4. chemistry

    What is composed of atoms in fixed proportions?
  5. science

    need to identify the elements, compounds and mixtures of the iron and sulpher reaction.
  6. science (ASAP) PLZ!!

    What are some examples of elements, atoms,compounds, mixtures, and molecule. Thank you for helping me on this question
  7. World history- does this sound okay?

    if you had to give queen Elizabeth the first a grade on the enlightenment principles what grade would you give and why?
  8. Language Arts

    Think of some examples of how you change the following elements of a conversation in a formal situation. Vocabulary Pronunciation Abbreviated words Idioms Also give two examples of different situations that require you to use the formal …
  9. Physics, Chemistry, Science

    I have an assignment about deep sea diving and of course it involves some gas mixtures to be used. I just don't know what suitable gas mixtures do I have to use in order for this diving to be safe and successful. The scenario is this: …
  10. Science

    Scientists have discovered a new virus that is very different from any known viruses. What type of matter is the virus most likely made of?

More Similar Questions