2 years ago

Help please ASAP just with number 10

Chemistry

1 answer:

Dafna11 [192]2 years ago

8 0

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sweet-ann [11.9K]

Answer:

The physical states that are represented by each graph region are the liquid and the solid, the highest temperature is the liquid and as it freezes it becomes a solid. The particles change because when it's a liquid, it isn't that compact it's just spreading smootly but as it freezes the atoms start to stick together and become compact.

Explanation:

Hope that made sense!

8 0

2 years ago

Umnica [9.8K]

Answer: Volume im pretty sure

3 0

2 years ago

Read 2 more answers

The difference between ionic covalent and metallic bonding

sleet_krkn [62]

Ionic: transfer of electrons
Covalent: sharing of electrons
Metallic: sharing of free electrons in a structure of cations

7 0

3 years ago

How many moles does the mass quantity 130g of H2O have?

SVETLANKA909090 [29]

It has 7.22 moles.... mole =mass/molar mass
molar mass of H2O=18
130/18=mole

7 0

2 years ago

In a chemical reaction, substrate molecule A is broken down to form one molecule of product B and one molecule of product C. The

MAVERICK [17]

Answer:

The answer to your question is d. 0.5 M

Explanation:

Data

[A] = 1M

K = 0.5

Concentration of B and C at equilibrium = x

Concentration of A at equilibrium = 1 - x

Equation of equilibrium

k = $\frac{[B][C]}{A}$

Substitution

$0.5 = \frac{[x][x]}{1 - x}$

Simplification

0.5 = $\frac{x^{2}}{1 - x}$

Solve for x

0.5(1 - x) = x²

0.5 - 0.5x = x²

x² + 0.5x - 0.5 = 0

Find the roots x₁ = 0.5 x₂ = -1

There are no negative concentrations so the concentration of A at equilibrium is

[A] = 1 - 0.5

= 0.5 M

4 0

3 years ago