Is BH2F a gas or a liquid and what is the boiling point

Answers

Answer 1

Answer: Hey I tried but could not find your answer, but maybe you could try to calculate the average of bpts of the different elements in the compound to find the boiling point. And when you know the bpt, you can find out whether it is a liquid or gas. But after searching a lot, I found it was a solid. Good luck!

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A transmutation reaction must always involve a(n) ____.a. change in the number of electrons in the atom
b. decrease in the number of neutrons in the nucleus of an atom
c. increase in the number of neutrons in the nucleus of an atom
d. change in the number of protons in a nucleus of an atom

Answers

A transmutation reaction must always involve a change in the number of protons in a nucleus of an atom. A transmutation reaction involves a change in the structure of atomic nuclei and hence may be induced by a nuclear reaction. The correct answer is letter "D." I hope this helps.

Answer: Option (d) is the correct answer.

Explanation:

Transmutation is a process which brings changes in the nucleus occur because of change in the number of protons of an atom. Therefore, the atom formed will have different properties from its parent atom.

For example, $^(27)_(13)Al + ^(4)_(2)He \rightarrow ^(30)_(15)P + ^(1)_(0)n$

A transmutation can be natural or artificial in nature.

Thus, we can conclude that a transmutation reaction must always involve a change in the number of protons in a nucleus of an atom.

The churning air in the troposphere helps determine the of a place

Answers

The answer is the climate of a place. The troposphere is the lowermost level of Earth's air, and is likewise where closely all weather and climate situations happen. It covers about 75% of the air's mass and 99% of the total form of water vapor and aerosols.

Final answer:

The movement of air in the troposphere, the layer of the atmosphere closest to the Earth, is key to determining a place's climate. This is shaped by variations in temperature and humidity, influenced by factors such as terrain and the presence of water sources among others. Atmospheric gases like ozone also play a protective role, contributing to Earth's habitability.

Explanation:

The churning air in the troposphere plays a crucial role in determining the climate of a place. The troposphere is the layer of the atmosphere closest to the Earth's surface, where weather patterns occur. The air in the troposphere is in constant motion due to the heating and cooling of the Earth's surface, leading to variations in temperature and humidity, giving rise to different climates and weather patterns. For instance, astronomers find that atmospheric blurring or turbulence is minimal in places where air has flowed over long distances over water, such as coastal mountain ranges and isolated volcanic peaks in the ocean, indicating stable, clear climates.

Additionally, different gases such as O3 (ozone) in the upper layers of the atmosphere, including the stratosphere, absorb harmful UV radiation, protecting the Earth and contributing to our planet's habitability. Disruptions in ozone concentrations due to human activities can influence the temperature trends in the troposphere, affecting weather patterns and ultimately, the climate of different areas.

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Why is glass a good substance for storing chemicals?A. Glass is a noble solid.
B. Glass has low reactivity.
C. Glass is cheap and readily available.
D. The melting point of glass is very high.

Answers

B, I just took the test and the correct answer is b. Cheap doesn't always equal quality.

Which law states that the volume and absolute temperature of a fixed quantity of gas are directly proportional under constant pressure conditions?

Answers

$\boxed{{\text{Charles's law}}}$ states that volume occupied by a fixed quantity of a gas is directly proportional to the absolute temperature (Kelvin) at constant pressure.

Further Explanation:

Charles’s law:

Charles’s work showed that at constant pressure, the volume-temperature relationship for a fixed amount of gas is linear. In other words, Charles’s law can be stated that at constant pressure, the volume occupied by a fixed amount of a gas is directly proportional to its absolute temperature (Kelvin). This relationship is known as Charles’s law.

The mathematical representation of Charles’s law is,

${\mathbf{V}} \propto {\mathbf{T}}$ [P and n are constant]

Where,

V is volume occupied by the fixed quantity of gas.

T is the temperature of a gas.

P is the pressure of a gas.

n denotes the number of moles of gas.

The relationship can also be expressed as,

$\frac{{\mathbf{V}}}{{\mathbf{T}}}{\mathbf{ = constant}}$ [P and n are constant]

Or,

$\frac{{{{\mathbf{V}}_{\mathbf{1}}}}}{{{{\mathbf{T}}_{\mathbf{1}}}}}{\mathbf{ = }}\frac{{{{\mathbf{V}}_{\mathbf{2}}}}}{{{{\mathbf{T}}_{\mathbf{2}}}}}$ [P and n are constant]

Results of Charles’s law are as follows:

At constant pressure, if the volume of gas increases then the temperature also increases.

At constant pressure, if the volume of gas decreases then the temperature also decreases.

The volume (L) versus temperature (T) curve of Charles’s law is represented in the attached diagram.

Learn more:

1. Law of conservation of matter states: brainly.com/question/2190120

2. Calculation of volume of gas: brainly.com/question/3636135

Answer details:

Grade: Senior School

Subject: Chemistry

Chapter: Ideal gas of equation

Keywords: Charles’s law, volume, temperature, pressure, volume temperature relationship, absolute temperature, constant pressure, relationship, V directly proportional to T, ideal gas, ideal gas equation number of moles, moles.

Charles's Law states that the volume and absolute temperature of a fixed quantity of gas are directly proportional under constant pressure conditions

Further explanation

There are several gas equations in various processes:

1. The general ideal gas equation

PV = nRT

PV = NkT

N = number of gas particles

n = number of moles

R = gas constant (8,31.10 ^ 3 J / kmole K

k = Boltzmann constant (1,38.10 ^ -23)

n = = N / No

n = m / M

n = mole

No = Avogadro number (6.02.10 ^ 23)

m = mass

M = relative molecular mass

2. Avogadro's hypothesis

In the same temperature and pressure, in the same volume conditions, the gas contains the same number of molecules

So it applies: the ratio of gas volume will be equal to the ratio of gas moles

V1: V2 = n1: n2

2. Boyle's Law

At a fixed temperature, the gas volume is inversely proportional to the pressure applied

p1.V1 = p2.V2

3. Charles's Law

When the gas pressure is kept constant, the gas volume is proportional to the temperature

V1 / T1 = V2 / T2

4. Gay Lussac's Law

When the gas is heated in a tube whose volume does not change, the gas pressure in the tube is proportional to its absolute temperature

P1 / T1 = P2 / T2

5. Law of Boyle-Gay-Lussac

Combined with Boyle's law and Gay Lussac's law

P1.V1 / T1 = P2.V2 / T2

P1 = initial gas pressure (N / m2 or Pa)

V1 = initial gas volume (m3)

P2 = gas end pressure

V2 = the final volume of gas

T1 = initial gas temperature (K)

T2 = gas end temperature

So the correct answer is Charles' Law, where at constant pressure, the volume of gas will be inversely proportional to its temperature

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How does latitude affect a climate zone?(A) Climate zones at low latitudes are hotter because they receive more direct sunlight.

(B) Climate zones at high latitudes are cooler because they are closer to the equator.

(C) Climate zones at high latitudes receive a lot of precipitation because they are farther from the equator.

(D) Climate zones at low latitudes receive little precipitation because they are closer to the ocean.

Answers

(A) Climate zones at low latitudes are hotterbecause they receive more direct sunlight. This is because the Earth's surface at the equator is closer to the sun and therefore receives more direct sunlight

Additionally, the distance of a region from the equator affects its precipitation pattern, with regions closer to the equator generally receiving more precipitation than regions at higher latitudes.

As a result, the tropics, which lie near the equator, tend to be warmer than other regions. In contrast, regions at high latitudes receive less direct sunlight due to the curvature of the Earth's surface, resulting in colder temperatures.

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Whatd to do to make the time go by faster

Answers

Answer:phone

Explanation:phone

Answer:

do something you love to do, or watch your favorite TV show or series :)

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