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liubo4ka [24]
2 years ago
6

A chemical property is determined by the following:

Chemistry
2 answers:
elena-s [515]2 years ago
7 0
Chemical properties can be determined by heat combustion, how they react with other chemicals, Oxidization (lose electrons, losing hydrogen, gaining oxygen), or toxicity.
iragen [17]2 years ago
6 0

Answer:

D

Explanation:

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Which statement best describes the compressibility of a gas?
maria [59]

The answer to the question stated above is:
<span> Gas is easily compressible because the molecules of a gas are much further apart than those of a solid.</span>


characteristic properties of gases:

(1) they are easy to compress,

(2) they expand to fill their containers, and

(3) they occupy far more space than the liquids or solids from which they form.

7 0
2 years ago
If the mass is 10g and the volume<br> is 2cm3 what is the density?
SSSSS [86.1K]

Answer:

The density is 5 g/cm3

Explanation:

The density (δ) is the ratio between the mass and the volume of a compound:

δ=m/v= 10 g/2 cm3= 5 g/cm3

3 0
3 years ago
Un compuesto ZO2 tiene masa molar igual a 64. La masa atómica de Z debe ser: A . 6. C. 12. E. 32. B. 10. D. 24.
9966 [12]

Answer:

32. Opcion E

Explanation:

ZO₂ podemos entenderlo como dióxido de Z

1 mol de ZO₂ contiene 1 mol de Z y 2 moles de O₂ por lo que si la masa molar es de 64 g/mol, podemos plantear lo siguiente

Masa de Z + 2 masa de O = 64 g/mol

Sabemos que la masa del oxígeno es 16 g/mol

x + 2. 16 g/mol = 64 g/mol

x = 64 - 32 →  32 g/mol

La masa atómica coincide con la masa molar, por lo tanto la masa atomica de Z es 32.

7 0
3 years ago
1. what is a typical characteristic of an ionic compound?
nordsb [41]
<h3>1. what is a typical characteristic of an ionic compound?</h3><h3>Answer:</h3>

                Option-D :  The ionic compound has a high melting point.

<h3>Explanation:</h3>

                         Ionic compounds are made up of positive ions called cations and negative ions called as anions. Cations are formed when an atom or group of atoms looses one or more electrons while, anion is formed when an atom or group of atoms gains electrons.

                         The two opposite ions formed interact through electrostatic interactions and form one of the strongest intramolecular bonding called ionic bonding. It requires very high energy to separate these ions from each other in solid form.

Examples: Melting Point of NaCl  =  801 °C

                  Melting Point of MgCl₂  =  714 °C

                  Melting Point of CaCO₃  =  825 °C

_______________________________________________________

<h3>2. what is shown by the structural formula of a molecule?</h3><h3>Answer:</h3>

               Option-A :  The arrangement of bonded atoms.

<h3>Explanation:</h3>

                         Structural formula is the graphical representation of of a chemical formula in either two dimensional or three dimensional space. It helps in depicting the arrangement of atoms or group of atoms in a compound or molecule.

Examples:

                Below the attached figure shows the structural formula of Glucose with Chemical formula C₆H₁₂O₆, Sulfuric Acid with Chemical formula H₂SO₄ and Water with Chemical formula H₂O respectively.

6 0
3 years ago
Read 2 more answers
If a sample of pure calcium (Ca) contains 4.69 x 1022 atoms of iodine, how many moles of calcium are in the sample?. A) 0.0779 m
timama [110]
If a sample of pure calcium 9Ca) contains 4.69 x 1022 atoms of iodine, there are 0.0779 moles of calcium in the sample. The correct answer will be A. 
5 0
2 years ago
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