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3 years ago

Which has a geographic North Pole and South Pole?

Chemistry

2 answers:

Karolina [17]3 years ago

8 0

Answer:

The Earth rotates on the geographic North and South Poles the geographic North and South poles are within the lines of latitude coverage in the north on the other side of the Earth the South Pole Line on a continental landmass known as in Anatarctica the answer is a earth only

Bogdan [553]3 years ago

7 0

Answer:

A. Earth only

Explanation:

The Earth rotates on the geographic north and south poles. The geographic north and south poles are where lines of longitude (meridians) converge in the north. On the other side of the Earth, the South Pole lies on a continental land mass known as Antarctica.

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Steam reforming of methane ( CH4 ) produces "synthesis gas," a mixture of carbon monoxide gas and hydrogen gas, which is the sta

sertanlavr [38]

Answer: The pressure equilibrium constant for the reaction is $4.5\times 10^0$

Explanation:

We are given:

Initial partial pressure of methane = 0.60 atm

Initial partial pressure of water vapor = 2.6 atm

Equilibrium partial pressure of hydrogen gas = 1.4 atm

The chemical equation for the reaction of methane gas and water vapor follows:

$CH_4+H_2O\rightleftharpoons CO+3H_2$

Initial: 0.60 2.6

At eqllm: 0.60-x 2.6-x x 3x

Evaluating the value of 'x':

$\Rightarrow 3x=1.4\\\\x=0.467$

So, equilibrium partial pressure of methane gas = (0.60 - x) = [0.60 - 0.467] = 0.133 atm

Equilibrium partial pressure of water vapor = (2.6 - x) = [2.6 - 0.467] = 2.133 atm

Equilibrium partial pressure of carbon monoxide gas = x = 0.467 atm

The expression of $K_p$ for above equation follows:

$K_p=\frac{p_{CO}\times (p_{H_2})^3}{p_{CH_4}\times p_{H_2O}}$

Putting values in above equation, we get:

$K_p=\frac{0.467\times (1.4)^3}{0.133\times 2.133}\\\\K_p=4.517\times 10^0$

Hence, the pressure equilibrium constant for the reaction is $4.5\times 10^0$

8 0

3 years ago

What is a naturally occurring solid, inorganic compound or element?

Oksana_A [137]

Answer is: naturally occurring solid, inorganic compound or element is mineral.
Minerals usually have crystalline form, that means than crystal constituents (atoms, molecules or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.
For example magnetite is a mineral of iron oxide.

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3 years ago

Rank the following aqueous solutions in order of increasing (c) freezing point;

saveliy_v [14]

0.01 m $AgNO_{3}$ < 0.03 m $CuSO_{4}$ < 0.04 m urea

As molal concentration rises, so does freezing point depression. It can be expressed mathematically as ΔTf = Kfm.

<h3>What is Colligative Properties ?</h3>

The concentration of solute particles in a solution, not the composition of the solute, determines a colligative properties .

Osmotic pressure, boiling point elevation, freezing point depression, and vapor pressure reduction are examples of ligand-like properties.

<h3>What is freezing point depression?</h3>

When less of another non-volatile material is added, the temperature at which a substance freezes decreases, a process known as Freezing-point depression.

Examples include combining two solids together, such as contaminants in a finely powdered medicine, salt in water, alcohol in water.

An significant factor in workplace safety is freezing points.
If a substance is kept below its freezing point, it may become more or less dangerous.
The freezing point additionally offers a crucial safety standard for evaluating the impacts of worker exposure to cold conditions.

Learn moree about Colligative Properties here:

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2 years ago

What are three sources of information scientist use when they do research

exis [7]

Books, Other scientist's research, the Internet.

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3 years ago

why do elements in the same group have similar properties and how does this affect bonding capabilities ?

Alina [70]

Elements in the same group have the same amount of electrons, this affects bonding because it determines how much the element will "want" to form a covalent bond.

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3 years ago

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