Question for the day! Answer this you get 15 points.

Match the term with the definition.

Match these with the a, b, c, and d answers.
1.
Liquid

2.
Solid

3.
Gas

4.
Plasma

Match these with 1, 2, 3, and 4 questions.
a.
particles that slide past one another
b.
an ionized gas of positively and negatively charged particles
c.
particles packed closely together that vibrate in place
d.
particles spread far apart that move around freely.

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above