Answer: Liquids have the following characteristics: no definite shape (takes the shape of its container) has definite volume. particles are free to move over each other, but are still attracted to each other. liquids have lesser densities than solids. Intermolecular forces of attraction is weaker than solids. They have considerable space between the particles. Liquids flow from higher to lower level. Liquids have their boiling points above room temperature, under normal conditions.
I gave many characteristics
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of the compound is found to be 5.04 ×
.
Solubility :Solubility can be define as the amount of a substance that dissolves or mixes in a given amount of solvent at specific conditions.
Solubility equilibrium
Ksp =
Ksp = solubility product constant
A+ = cation in an aquious solution
B- = anion in an aqueous solution
a, b = relative concentrations of a and b
Given,
Solubility = s = 3.60 ×
g/L
molar mass = 288 g/ mol
∴ s= 3.60 ×
g/L ÷ 288 g/ mol = 1.25 ×
mol/ L
Reaction:
MX3 ⇄ M + 3X
s 3s
=[
] [ 
= solubility product
∴
=![[s]^{} [3s]^{3}](https://tex.z-dn.net/?f=%5Bs%5D%5E%7B%7D%20%5B3s%5D%5E%7B3%7D)
∴
= 3
∴
= 3 × (3.60 ×

∴
= 503.8848 ×
= 5.04 ×
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I think they orbit around the atom
385 L is the volume of the air mattress with 0.55 moles of air inside the mattress and a temperature of 295 K.
<h3>What is an ideal gas equation?</h3>
The ideal gas law (PV = nRT) relates to the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).
Using the gas law,
PV=nRT, where n is the moles and R is the gas constant. Then divide the given mass by the number of moles to get molar mass.
Given data:
P= 3.5 kPa
V=?
n= 0.55 moles of air
T= 295K
R= 8.314 (L kPa/mol K)
Putting value in the given equation:
V=
V =
V = 385.4132857 L
And whatever the significant figure is asked for, for example, 3 significant figures: the answer would be 385 litres.
Hence, 385.4132857 L is the volume of the air mattress.
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Answer:We will use an acid to test whether sample contains calcium carbonate or not.
Explanation:
Calcium carbonate reacts with acids to give off carbon-dioxide gas ,water and calcium chloride. it is a salt of strong base calcium hydroxide and weak acid carbonic acid.

Evolution of carbon-dioxide on the reaction is also termed as effervescence.
If the sample contains the calcium carbonate strong effervesces will be observed and if not no effervescence will be observed.
We will use an acid to test whether sample contains calcium carbonate or not.