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LuckyWell [14K]
3 years ago
10

Explain whether your breakfast was a compound, homogeneous mixture, or heterogenous mixture.

Chemistry
1 answer:
leonid [27]3 years ago
7 0


what did you eat for breakfast?

I can't help you otherwise

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When burned, coal releases _____. oxygen carbon dioxide methane sulfur nitrogen oxide?
Rus_ich [418]
Coal releases carbon dioxide when burned. The reaction looks like this:
C(s)+O₂(g)→CO₂(g) 

I hope this helps.  Let me know in the comments if anything is unclear.
6 0
3 years ago
2. Find the two generic molecules from Part 1 that are made of 3 atoms. a. Compare and contrast these two molecules by listing t
Stells [14]

Answer:

hello the molecules are missing from your question below are the Generic molecules : ABE_{3} and AB_{3} E

answer : It can be determined  that both generic molecules are polar

It can be determined that both generic molecules have similar molecular shape

They have different Geometry

They differ in bond angles as well

Explanation:

The two generic molecules : ABE_{3} and AB_{3} E

comparing(similarities) these two generic molecules

It can be determined  that both generic molecules are polar

It can be determined that both generic molecules have similar molecular shape

differences between the generic molecules

They have different Geometry

They differ in bond angles as well

3 0
2 years ago
100 points will to help
FromTheMoon [43]

Answer:

6. 350kg

7. 800kg

8.600 meters

Explanation: I don’t like Stealing point but this is what I think I should give you and I don’t know how your teacher learn you this...

8 0
2 years ago
Read 2 more answers
What does a graduated cylinder use units of
Anni [7]

Explanation:

answer: uuuuh so sorry if i get wrong so basically  they will practice measuring different liquids. They will use a container called a graduated cylinder to measure liquids. Graduated cylinders have numbers on the side that help you determine the volume. Volume is measured in units called liters or fractions of liters called milliliters (ml).

(defently not copy and pasted)

6 0
2 years ago
A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the f
deff fn [24]

Explanation:

Entropy means the amount of randomness present within the molecules of the body of a substance.

Relation between entropy and microstate is as follows.

           S = K_{b} \times ln \Omega

where,      S = entropy

             K_{b} = Boltzmann constant

             \Omega = number of microstates

This equation only holds good when the system is neither losing or gaining energy. And, in the given situation we assume that the system is neither gaining or losing energy.

Also, let us assume that \Omega = 1, and \Omega' = 0.833

Therefore, change in entropy will be calculated as follows.

     \Delta S = K_{b} \times ln \Omega' - K_{b} \times ln \Omega

                 = 1.38 \times 10^{-23} \times ln(0.833) - 1.38 \times 10^{-23} \times \times ln(1)

                 = 1.38 \times 10^{-23} \times (-0.182)

                 = -0.251 \times 10^{-23}

or,             = -2.51 \times 10^{-24}

Thus, we can conclude that the entropy change for a particle in the given system is -2.51 \times 10^{-24} J/K particle.

8 0
3 years ago
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