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olchik [2.2K]
3 years ago
7

According to the kinetic molecular theory, which statement describes the particles in a sample of an ideal gas?

Chemistry
2 answers:
Ad libitum [116K]3 years ago
8 0
According to the kinetic molecular theory, the motion of the gas particles is random and in a straight line. The answer is 2.
bulgar [2K]3 years ago
6 0
(2) the motion of the gas particles is random and straight-line, they cannot be influenced by outside forces, one example being a magnetic field.
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Calculate the mass of a substance which has a volume of 35
makkiz [27]

The answer is 17.5kg.

To get the mass of an object you do Volume × Density. The SI unit of Mass is "kg."

7 0
2 years ago
Consider the following reaction.
Ivan

Answer:

162 g Fe₂O₃

Explanation:

To find the mass of Fe₂O₃, you need to (1) convert grams C to moles C (via molar mass from periodic table), then (2) convert moles C to moles Fe₂O₃ (via mole-to-mole ratio from reaction coefficients), and then (3) convert moles Fe₂O₃ to grams (via molar mass). It is important to arrange the ratios/conversions in a way that allows for the cancellation of units. The final answer should have 3 sig figs to reflect the given value.

Molar Mass (C): 12.011 g/mol

2 Fe₂O₃(s) + 3 C(s) ---> 4 Fe(s) + 3 CO₂(g)

Molar Mass (Fe₂O₃): 2(55.845 g/mol) + 3(15.998 g/mol)

Molar Mass (Fe₂O₃): 159.684 g/mol

18.3 g C           1 mole            2 moles Fe₂O₃          159.684 g
--------------  x  ----------------  x  -------------------------  x  -----------------  = 162 g Fe₂O₃
                        12.011 g              3 moles C                 1 mole

5 0
2 years ago
All factors that cause an increase in the rate of dissolving have what in common?
Nikitich [7]

Answer:

They increase the attractive forces between the solute and solvent particles.

Explanation:

The dissolution of a solute in a solvent depends on interaction between the solute and the solvent. The more the attractive force and interaction between solute and solvent, the greater the greater the rate of dissolution of the solute in the solvent.

The absence of interaction between solute and solvent molecules means that the substance can not dissolve in that particular solvent. Hence, any factor that enhances solute-solvent interaction will enhance dissolution of a solute in a particular solvent.

3 0
3 years ago
What is the hydrogen-ion concentration of the ph is 3.7
Komok [63]

Answer:

the answer 37

Explanation:

4 0
3 years ago
What is a substance?
ANTONII [103]
A is the answer im pretty sure
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4 years ago
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