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ziro4ka [17]
2 years ago
14

25. Which is not a form of chemical changer

Chemistry
2 answers:
Salsk061 [2.6K]2 years ago
6 0

Answer:

C. Digestion is the answer.

gayaneshka [121]2 years ago
4 0
Agree with the above answer: C.
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In what order did mendeleev arrange the elements in his periodic table?
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A type of force where objects touch each other ​
leonid [27]

Answer:

contact force

Explanation:

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What are some physical properties of metal
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A perfect cube of aluminum metal was found to weigh 20.00 g. The density of aluminum is 2.7 g/ml. What are the dimensions of the
denis23 [38]

Answer:

             Height  = 1.9493 cm

             Width =  1.9493 cm

             Depth  =  1.9493 cm

Solution:

Data Given:

                  Mass  =  20 g

                  Density  =  2.7 g/mL

Step 1: Calculate the Volume,

As,

                                        Density  =  Mass ÷ Volume

Or,

                                        Volume  =  Mass ÷ Density

Putting values,

                                        Volume  =  20 g ÷ 2.7 g/mL

                                        Volume  =  7.407 mL or 7.407 cm³

Step 2: Calculate Dimensions of the Cube:

As we know,

                                        Volume  =  length × width × depth

So, we will take the cube root of 7.407 cm³ which is 1.9493 cm.

Hence,

                                        Volume  =  1.9493 cm × 1.9493 cm × 1.9493 cm

                                        Volume  =  7.407 cm³

4 0
3 years ago
How are sound waves and EM waves alike? How are they different?
Hatshy [7]
Sound waves are longitudinal waves that is, are transmitted in the same direction of oscillation of the particles in the medium. Electromagnetic waves are transverse ie, the electric and magnetic fields, which are perpendicular to each other, oscillate perpendicularly to the direction of wave propagation.
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2 years ago
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