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nexus9112 [7]
4 years ago
7

When two your substances are combined so that each of the pure substances retains its own properties the result is a(n)?

Chemistry
2 answers:
Ede4ka [16]4 years ago
6 0
This is a mixture. Hope this helped :)
Leni [432]4 years ago
6 0

Answer:

Mixture.

Explanation:

The matter can be classified as:

a) Mixture: Can be homogeneous or heterogeneous.

Mixtures are formed when two or more substances combine and there is no change in the property of the pure substances mixed.

For example:

NaCl and water forms a homogeneous mixture, however on mixing the properties of the two remains the same and they can be separated easily by physical means.

b) Compound: it is formed from two or more elements and this is pure form of matter

c) element: it is the purest form of matter.

Isotopes are the substances which have same atomic number but different atomic mass.

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Que pasa si a una taza de arena le pongo espuma y lo agito por 10 minutos?
Nonamiya [84]

Answer:

Conversion of energy

Explanation:

Shaking the sand is a form of kinetic energy. The friction of the sand particles rubbing against each other converts the kinetic energy to heat energy. Some of the kinetic energy also converts into the energy of sound waves, which you can hear while you shake the sand.

7 0
3 years ago
When naming ionic compounds does the roman numeral after the metal cation tell you how many anions will be there?
murzikaleks [220]

Answer:

no

Explanation:

the roman numeral tells you that the metal is a transition metals. transition metals have more than one oxidation state.

8 0
3 years ago
List 3 elements with 6 valence electrons
ra1l [238]

oxygen, sulfur, selenium

3 0
3 years ago
Identify the missing information for each atom or ion. Note that the atoms and ions are not necessarily neutral.
zimovet [89]

Answer:

Number of neutrons: 44

Number of protons: 34

Number of electrons: 36

Explanation:

The atomic number of Se (Selenium) is 34

Mass number is 78

Number of neutrons = mass number - atomic number = 78 - 34 = 44

Number of protons is the same as the atomic number

Number of protons = 34

Selenium ion has a charge of -2. This means it accepts two more electrons

Number of electrons = atomic number + 2 = 34 + 2 = 36

5 0
4 years ago
Calculate the molarity of a solution that contains 3.11 mol of NaNO3 dissolved in 2.50 L. Enter your answer in the provided box.
rusak2 [61]

Answer:

Molarity of a solution that contains 3.11 mol of NaNO3 is 1,24 M

Explanation:

We understand molarity as the number of moles of solute that are contained in 1 L of solution, then if in a solution of 2.50 L we have 3.11 moles, it remains to calculate how many moles do we have in 1 liter.

2,50 L .......... 3,11 moles

1 L .................. x

X = ( 1 L x 3,11 moles) / 2,50 L = 1,24

8 0
3 years ago
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