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Len [333]
3 years ago
6

In what way are liquids different from solids?

Chemistry
2 answers:
Natalka [10]3 years ago
8 0
A. Liquids do not have a fixed shape; solids do”
Vladimir79 [104]3 years ago
5 0

Answer:

a. Liquids do not have a fixed shape; solids do

Explanation:

I’m really sorry thats the only one I for sure know that is true...

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The structure of an atom is
kirill115 [55]

Answer:

Atoms consist of three basic particles: protons, electrons, and neutrons. The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).

5 0
3 years ago
If a container were to have 24 molecules of C5H12 and 24 molecules of O2 initially, how many total molecules (reactants plus pro
frutty [35]

Answer:

81 molecules

Explanation:

The reaction between C5H12 and O2 is a combustion reaction and is represented by the following equation;

C5H12 + 8O2 --> 5CO2 + 6H2O

The ratio of C5H12 to O2 from the above equation is 1 : 8.

Aplying the conditins of the question; 24 molecules each of C5H12 and O2 we have;

3C5H12 + 24O2 --> 15CO2 + 18H2O

This means we have 24 - 3 = 21 molecules of C5H12 that are unreacted.

Total molecules is given as;

3(C5H12) + 24(O2) + 15(CO2) + 18(H2O) + 21(Unreacted C5H12) = 81 molecules

5 0
2 years ago
How many moles are in 3.4 x 10-7 grams of Silicon dioxide, SiO2?
Varvara68 [4.7K]

Answer:

Number of moles = 0.057 × 10⁻⁷  mol

Explanation:

Given data:

Mass of SiO₂ = 3.4 × 10⁻⁷ g

Number of moles = ?

Solution:

Number of moles = mass/molar mass

Molar mass of SiO₂ = 60 g/mol

by putting values,

Number of moles =  3.4 × 10⁻⁷ g / 60 g/mol

Number of moles = 0.057 × 10⁻⁷  mol

8 0
2 years ago
How does concentration affect boiling point of a solvent?
nalin [4]

Answer / explanation:

How does concentration affect boiling point of a solvent?

The amount by which the boiling point is raised is directly dependent on the concentration of the solute.

The higher the concentration of a solute, the more it is said to be difficult for the solvent molecules to escape into the gas phase.

However, when a non volatile amount of substance is dissolved in a given solvent, the boiling point of the given solvent increases.

The higher the concentration, the more higher the boiling point of a solvent.

It requires a higher temperature for enough solvent molecules to escape , this the boiling point is raised elevatedly

5 0
3 years ago
The molecules CH4 and CH3Cl both have tetrahedral shapes. Why is CH4 nonpolar whereas CH3Cl is polar?
ruslelena [56]
Because in CH4 the valence electrons of Carbon are being pulled away from the nucleus with the same force (since all hydrogen has the same electronegativity).So charges are equally distributed throughout the atom and the atom is non-polar. In CH3Cl Cl has a different electronegativity than H, so charges aren't equally distributed and therefore the molecule is polar.
6 0
2 years ago
Read 2 more answers
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