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Umnica [9.8K]
3 years ago
8

Classify each property as a physical property or a chemical property.

Chemistry
1 answer:
dlinn [17]3 years ago
4 0

Answer:

a. chemical

b. chemical

c. physical

d. chemical

Explanation:

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What is the relationship between
pychu [463]

Answer:

As community goes through multiple changes through each stage of succession, it is not in equilibrium.

Explanation:

Equilibrium in ecology refers to a state that occurs such that a small disturbance or change is counter balanced by another change so that the community is restored to its original state.

5 0
3 years ago
pH is a logarithmic scale used to indicate the hydrogen ion concentration, [H+], of a solution: pH=−log[H+] Due to the autoioniz
Sophie [7]

Answer:

pH = 2,4

Explanation:

pH is defined as a measure of acidity or alkalinity of a solution based on H⁺ concentration

The HCl dissociates in water thus:

HCl → H⁺ + Cl⁻

That means that moles of HCl are the same than H⁺.

0,35gHCl\frac{1mol}{36,46g} = 9,6x10⁻³ moles HCl ≡ moles H⁺

H⁺ molarity is: \frac{9,6x10^{-3}moles}{2,5L} = 3,84x10⁻³M

As pH = -log [H⁺]

<em>pH = 2,4</em>

I hope it helps!

7 0
3 years ago
Although xenon and neon are noble gases and therefore do not typically form bonds, weak attractive forces do exist between atoms
mariarad [96]

The statement that best explains why xenon has a higher boiling point than neon is that xenon has more electrons than neon.

<h3>What are intermolecular forces?</h3>

The term intermolecular forces are the force that hold matter together in a particular state such as solid liquid or gas. The more the electrons present, the greater the polarizability and the greater dispersion forces at work.

Thus, the statement that best explains why xenon has a higher boiling point than neon is that xenon has more electrons than neon.

Learn more about intermolecular forces:brainly.com/question/9007693

#SPJ1

5 0
1 year ago
An object with a mass of 7.1 g raises the level of water in a graduated cylinder from 25.1 mL to 32.4 mL. What is the density of
jeka57 [31]

Answer:

0.9726g/ml

0.9726g/cm³

Explanation:

Density is found by dividing  mass by volume.

Density = mass/volume

mass = 7.1g

volume= the new level of water raised - the initial level of water

volume  = 32.4 - 25.1

volume = 7.3 ml

Volume is the amount of space occupied by an object.meaning the amount of volume displaced by the object is its volume.

density = 7.1 /7.3

density = 0.9726g/ml

or 0.9726 g/cm³

If you need any clarification or more explanation pls do mention at the comment section.

hope this helps and if it does pls mark as branliest answer thx

5 0
3 years ago
Which of the following elements in group 1 of the periodic table has the smallest atomic radius?
ivann1987 [24]
The element in group 1 of the periodic table that had the smallest atomic radius is A. Lithium.
6 0
3 years ago
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