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FromTheMoon [43]
3 years ago
8

Carlos stomps a soda con flat and throw it away. Which of the following statements BEST describes the change made in the soda ca

n?
The soda can kept the same mass as it changed in shape only
The soda can lost mass as it was changed into a smaller size
The soda con gained more moss because its shape changed
The soda can lost mass as it was crumpled and changed form
Chemistry
1 answer:
NemiM [27]3 years ago
6 0

Answer:

The soda can kept the same mass as it changed in shape only

Explanation:

Law of Conservation states "mass cannot be created or destroyed" therefore this is why the mass hasn't changed, but when it was smashed the shape changed.

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Which of the following are chemicals?<br> clothing<br> food<br> fuels<br> all of the above
Mamont248 [21]

Answer:

i guess fuels are chemicals

6 0
3 years ago
Write the molecular formula for the compound that exhibits a molecular ion at M+ = 112.0499. Assume that C, H, N, and O might be
IceJOKER [234]

Answer:

C₅H₈N₂O

Explanation:

The molecular formula denotes the various forms of atoms contained in a molecule at a particular fixed proportion.

The molecular ion M⁺ = 112.0499

and the exact mass values are given as follows:

C = 12.000

H = 1.0078

N = 14.003

O = 15.995

By assumption:

C = 12.000 × 5 = 60.0000

H = 1.0078 × 8 =    1.0078

N = 14.003 × 2 =  28.0060

<u>O = 15.995 × 1 =   15.9950    </u>

<u>                         = 112.0634     </u>

This is approximtely equal to 112.0499.

As such the Molecular formula for the compound = C₅H₈N₂O

7 0
3 years ago
DNA is an example of a:<br> O A. Compound<br> B. Element<br> c. Mixture<br> D. Atom
Simora [160]

Answer:

The answer is option A.

Compound

Hope this helps you

5 0
3 years ago
Steps of scientific inquiry?
vlabodo [156]
1. Figure out a problem
2. Research
3. Hypothesis  
4. Experiment
5. Analyze results 
6. Conclusion 
7. Communicate your results

Hope This Helps. :D <span />
8 0
3 years ago
Read 2 more answers
If a piece of aluminum with a mass of 3.99 g and a temperature of 100.0 °C is dropped
Vinil7 [7]

Answer:

The final temperature of the system is 27.3°C.

Explanation:

Heat lost by aluminum = 3.99 × 0.91 × (100-T)

                                     = 3.631 (100-T)

Heat gained by water = 10 × 4.184 × (T-21)

                                    = 41.84 (T-21)

As,

                                Heat gained = Heat loss

                          or, 3.631(100-T) = 41.84(T-21)

                          or,363.1 -  3.631 T = 41.84 T - 878.64)

                          or, (41.84+ 3.631) T = 878.64 +363.1

                          or  T= \frac{1241.74}{45.47}

                         or, T = 27.3°C

Hence the final temperature is 27.3°C.

8 0
3 years ago
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