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Eddi Din [679]
3 years ago
11

If two objects have the same mass, what must be true? choose the correct answer A. They have the same volume B. They are made of

the same material C. they contain the same amount of matter D. They have the same density
Chemistry
2 answers:
Nataly_w [17]3 years ago
7 0
C. Mass is kind of like a measurement of matter.
ankoles [38]3 years ago
3 0

Answer: Option (C) is the correct.

Explanation:

Density is known as the amount of substance present in a liter.

Mathematically,     Density = \frac{mass}{volume}

Therefore, it means density is directly proportional to mass of a substance and inversely proportional to the volume of the substance.

Hence, density depends on both the factors, that is, mass and volume.

Whereas mass present in a substance means the amount of matter present in it.

Hence, we can conclude that if two objects have the same mass, then it is true that they contain the same amount of matter.

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What is the name of CaCO2
weqwewe [10]
Calcium--Cobalt(1/2)
8 0
3 years ago
based on the article what are some of the advantages that can be given by radio frequency and microwaves​
bonufazy [111]

Answer:

higher data rates are

Explanation:

transmitted

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more antenna gain is possible

6 0
2 years ago
- Nitinol is an alloy of *
Aleks04 [339]

Answer:

Nickel and Titanium

Explanation:

Nitinol is an alloy of Nickel and Titanium. It posesses two properties such that,

  • The shape memory effect
  • Super elasticity

Shape memory is the ability of nitinol to undergo deformation at one temperature, stay in its deformed shape when the external force is removed.

Superelasticity is the ability for the metal to undergo large deformations and immediately return to its undeformed shape upon removal of the external load.

Hence, the correct option is (b) "Nickel and Titanium".

7 0
3 years ago
Naturally occurring neon exists as three isotopes. 90.51% is ne-20 with a mass of 19.99 amu, 0.27% is ne-21 with a mass of 20.99
gregori [183]

The atomic mass of an element is the average relative mass of its atoms as compared with an atom of carbon-12 whose mass is taken as 12. In terms of percentages of different isotopes, the average atomic mass can be determined as follows: A_{average} = ∑(p_{i}X A_{i})/100. Where, p_{i} is the percentage abundance of isotope with atomic number A_{i}.

So, average atomic mass of neon = \frac{(90.51 X 19.99) + (0.27 X 20.99) + (9.22 X 21.99)}{100} = 20.177 amu.

3 0
3 years ago
For each pair, choose the compound with the smaller lattice energy, and explain your choice: (b) K₂O or K₂S.
dlinn [17]

the compound with the smaller lattice energy is potassium sulphide here the size of the molecule play a important role

The quantity of energy released by the electrostatic attraction of oppositely charged ions is known as lattice energy (L.E). The ion's size and charge affect the lattice energy.

lattice energy is inversely proportional to   size of ion and directly proportional to charge of the ion. They are each charged equally that is plus two and minus two However, because the Sulphur is larger in size  and the oxygen is lesser in this case, The lattice energy of potassium oxide is larger  the lattice energy of potassium sulphide  is smaller.

To learn more about lattice energy :

brainly.com/question/18222315

#SPJ4

5 0
1 year ago
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