For at least the last century Florida has experienced a hurricane season every year, from June to November. Which of the following describes this occurrence the BEST?
A. Florida's precipitation
B. Florida's global pattern
C. Florida's climate
D. Florida's weather ​

Answer:

See explanation

Explanation:

The boiling point of  a substance at a location depends mostly on the atmospheric pressure in that location. The lower the atmospheric pressure in a location, the lower the boiling point and vice versa.

Boiling point is defined as the temperature at which the vapor pressure of the liquid becomes equal to the atmospheric pressure.

In Denver (the mile high city), alcohol will boil at a lower temperature(due to its high altitude) than in Houston because pressure decreases with height.

The boiling point of alcohol in Houston and Denver will vary as a result of the difference in atmospheric pressure.

The boiling point of  a compound at a particular location depends on the

atmospheric pressure of that location. The lower the atmospheric pressure

of a given place or area, the lower the boiling point and vice versa.

In Denver (the mile high city), alcohol will boil at a lower temperature as a

result of its higher altitude than in Houston because atmospheric pressure

decreases with increase in height and vice versa.

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Answer:

M = 184.1 g/mol

Explanation:

Given data:

Density = 5.95 g/L

Temperature = 100°C (100+273 = 373 K)

Pressure = 755 mmHg = (755/760 = 0.99 atm )

Molar mass of gas = ?

Formula:

d = PM/RT

Solution:

M = dRT / P

M = 5.95 g/L × 0.0821 atm.L/mol.K  × 373 K/ 0.99 atm

M = 182.21atm.g/mol / 0.99 atm

M = 184.1 g/mol

Answer:

H²O is neither a cation or anion

Explanation:

Hydrogen can form a cation (H+) or an anion (H-‐). Hydrogen in water (H20), ammonia (NH3), methane (CH4) and millions of other compounds is neither a cation nor an anion.

Answer:

B. H3PO

Explanation:

The pH, texture, reactivity, and conductivity should be seen while determining acid or base. Among given option, H₃PO₄ is the acid  when dissolved in water.

Acid is a substance that has sour taste, pH lies in the range of 0-7 and give hydronium ion when dissolved in water. Acid turns blue litmus red. Whereas base has bitter, its pH is between 7-14 and it turns red litmus blue. It give hydroxide ion when dissolved in water.

Extensive properties, such as mass and volume depend on the amount of substance present and are not useful in the identification of a substance. Measuring mass and volume is not useful While determining acid or base. Out of given compounds, H₃PO₄ is the acid  when dissolved in water.

Therefore, H₃PO₄ is the acid  when dissolved in water.

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Answer:

c and d are correct

Explanation:

In A, false because in Valence Electrons, the more the valences, the more stable an atom is.

In B, false because atoms cannot readily gain or lose valence electrons as the number of valence electrons is determined by the column they are in.

In C, true because the more the valence electrons, the more the stability of an atom.  

In D, true as electron placing is important and the reactivity of an atom is important.

So C and D are true!

The statement(s) which are true about valence electrons are:

c. Atoms are stable when they have as many valence electrons as possible.

d. Valence electrons determine many of the properties of an atom.

An atom refers to the smallest, indivisible unit that isnmade up of matter and forms all chemical elements.

In Chemistry, an atom comprises three (3) distinct particles and these are;

Valence electrons is simply the number of electrons that is/are present in the outermost shell of the atom of a chemical element.

Generally, valence electrons are typically used to determine whether an atom or group of chemical elements can bond with other chemical elements.

As a general rule, atoms with as many valence electrons as possible are more stable and reaches an octet state.

Lastly, valence electrons are used to determine the chemical properties of of the atom of a chemical element.

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Answer: 10.73 g

Explanation:

2.3 mol Mg * (1 mol N2 / 3 mol Mg) * (14 g Mg / 1 mol g) = 10.73

Heat is a form of energy and transfer of it takes place from hotter body to cooler body.

Heat transfer is a process in which heat transfers from one object to another object without any loss.

Heat transfer is a branch of thermal engineering that deals with the production, use, conversion, and transfer of thermal energy between physical systems.

Transfer of heat generally takes place from hotter body to the cooler body till when both the bodies gain the same temperature.

Hence heat transfers from hotter body to cooler body.

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Answer:

The strong forces oppose the electromagnetic force of repulsion between protons. Like ”glue” the strong force keeps the protons together to form the nucleus. The strong forces and electromagnetic forces both hold the atom together.

Explanation:

Hope This helps

Answer:

The strong forces oppose the electromagnetic force of repulsion between protons.

Answer:

Answer:

a plant cell

Explanation:

because the chrolopast is green

Explanation:

The color change exhibited by phenolphthalein during a titration of aqueous acetic acid with aqueous sodium hydroxide is pink to colorless.

An indicator is an organic dye which changes color in acidic, basic and neutral medium.

Phenolphthalein is an example of an indicator. When aqueous acetic acid is titrated against aqueous sodium hydroxide, the indicator may be added to the basic solution.

Phenolphthalein has a pink color in a basic medium. As the acid is added gradually, the solution turns colorless at end point.

Hence, the color change exhibited by phenolphthalein during a titration of aqueous acetic acid with aqueous sodium hydroxide is pink to colorless.

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Answer:

More energy is released from the old substance than the new substance needs to form its chemical bonds

Explanation:

Chemical A and Chemical B react in an exothermic reaction. When Chemical A and Chemical B are mixed together more energy will be released from the old substance than the new substance will need to form its chemical bonds. Therefore, option B is correct.

When a chemical reaction goes on, energy is shifted to or from the surroundings. When energy is moved to the surroundings, this is called an exothermic reaction, and the temperature of the surroundings increases.

Examples of exothermic reactions are combustion reactions and many oxidation reactions.

A chemical reaction is exothermic if heat is passed by the system into the surroundings. Because the surroundings are deriving heat from the system, the temperature of the surroundings increases.

Thus, option B is correct.

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Answer:

The correct answer would be C.) a line graph

Explanation:

I just did the assignment on edge 2020 and got it right

Answer:

Explanation:

1

When elements in group 2 react with Iodine, a salt MI_2 is formed

2

When they react with water, Hydrogen gas is released

3

When they react with Oxygen, an Oxide, MO is formed

4

The most vigorously reactive metal in group 2 is Barium, Ba. Reactivity increases as one moves downward in group 2

5

The most metallic element is Barium, Ba. This is because in the periodic table, metallic strength of metals increases as one moves down the table.

The thing that happens when the elements in group 2 react with iodine is:

The way these elements react with water is:

The way they react with oxygen is:

The element which reacts the most vigorously  in group 2 is:

The element in the group which is the most metallic in character is:

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Answer:

3 CO₃²⁻(aq) + 2 Cr³⁺(aq) ⇒ Cr₂(CO₃)₃(s)

Explanation:

Let's consider the molecular equation that occurs when aqueous solutions of ammonium carbonate and chromium(III) nitrate are combined.

3 (NH₄)₂CO₃(aq) + 2 Cr(NO₃)₃(aq) ⇒ 6 NH₄NO₃(aq) + Cr₂(CO₃)₃(s)

The complete ionic equation includes all the ions and insoluble species.

6 NH₄⁺(aq) + 3 CO₃²⁻(aq) + 2 Cr³⁺(aq) + 6 NO₃⁻(aq) ⇒ 6 NH₄⁺(aq) + 6 NO₃⁻(aq) + Cr₂(CO₃)₃(s)

The net ionic equation includes only the ions that participate in the reaction and the insoluble species.

3 CO₃²⁻(aq) + 2 Cr³⁺(aq) ⇒ Cr₂(CO₃)₃(s)

Answer:

See explanation

Explanation:

Chlorine is a member of the halogen family known as a toxic yellowish green gas. Inhalation of chlorine for a prolonged period of time leads to  pulmonary edema. If a person comes in contact with compressed liquid chlorine the person may experience frostbite of the skin and eyes.

However chlorine is very useful in water disinfection and is preferred in water treatment because it provides residual disinfection of the treated water.

Chlorine gas may be dissolved in NaOH to form oxochlorate I which is used as a bleach in cleaning.

Answer:

Iodine

Explanation:

iodine is pretty good for you in moderation, iodine can ensure proper tyriod function but too much of it can cause thyroid gland inflammation and thyroid cancer, burning of the mouth, throat, and stomach; and coma.

Answer:

20 Neutrons

Explanation:

The element of potassium has the symbol K. The nucleus of an atom of potassium contains 19 protons and 20 neutrons. I hope that answer helps xx

The change in internal energy (ΔΕ) of a system : -8 kJ

The laws of thermodynamics 1 state that: energy can be changed but cannot be destroyed or created  

The equation is:  

 [tex]\tt \Delta U=Q+W[/tex]

Energy owned by the system is expressed as internal energy (U)  

This internal energy can change if it absorbs heat Q (U> 0), or releases heat (U <0). Or the internal energy can change if the system does work or accepts work (W)  

The sign rules for heat and work are set as follows:  

• The system receives heat, Q +  

• The system releases heat, Q -  

• The system does work, W -  

• the system accepts work, W +  

5 kJ of work is done on the system : W = +5 kJ

releases 13 kJ of energy to the surroundings : Q = -13 kJ

[tex]\tt \Delta E=-13+5=-8~kJ[/tex]

Answer: because its noy

Explanation:

Answer:

silicon tetrachloride or tetrachlorosilane

Answer:

Answer:

Speeds up

Explanation:

Answer: Results will tell you which hypothesis is true.

Explanation: The hypothesis becomes a theory if the results support it. d.A new experiment is designed to provide additional data about the hypothesis. Imagine that a team of scientists test a certain hypothesis, and the experimental results show that it is false. ... The results will show which other hypotheses must be true.

Answer:

C

Explanation:

there is no explanation needed

Answer:

The value of ionization energy (IE) decreases down the group due to the increasing size as the valence electrons are more loosely bound. Thus lowest IE in this case is of Bi as it is bottom most element.

Explanation:

Answer:

FALSE.

Explanation:

The right answer is false. There are three different groups of phylum for worms.

Hope this helped!

Answer:

FALSE

there are like 3 different phylum

Explanation:

Hope this helps!

if so

please mark Brainlist!!

thx

Answer:

Positive charge if there are more protons than electrons. Negative charge if there are more electrons than protons. If there's the same amount of protons and electrons, it's a neutral charge.

Explanation:

All matter is made up of electrons and protons. Electrons have a negative charge, protons have a positive charge. A charge is a type of particle measurement, and it is determined based on the amount of protons or electrons in a certain thing. The charge is which one there are more of, and there’s no charge (neutral) if they’re balanced.  

Answer: Yes

Explanation:

The partial pressure of Gas B : 1.3 atm

Dalton's Law stated

the total pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases  

Can be formulated:  

[tex]\tt P~tot=P1+P2+P3...Pn[/tex]

P tot = 2 atm

P gas A = 0.7 atm

So P gas B :

[tex]\tt P~gas~B=P~tot-P~gas~A\\\\P~gas~B=2-0.7=1.3~atm[/tex]

The partial pressure of Gas B in the mixture of two gases has been 1.3 atm.

The partial pressure of the gas can be defined as the pressure of the particular gas in the mixture of gases.

According to dalton, the total pressure of the gas has been the sum of the partial pressure of the individual gases.

Thus, total pressure = partial pressure of gas A + partial pressure of gas B

Given, total pressure = 2 atm

The partial pressure of gas A = 0.70 atm

So, the partial pressure of Gas B = total pressure - partial pressure of gas A

The partial pressure of Gas B = 2.0 atm - 0.70 atm

The partial pressure of Gas B = 1.3 atm

Thus, the partial pressure of Gas B in the mixture of two gases has been 1.3 atm.

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Answer:

the action or process of filtering something.

Explanation:

Filtration is a physical, biological or chemical operation that separates solid matter and fluid from a mixture with a filter medium that has a complex structure through which only the fluid can pass.

Answer:

A. The equilibrium shifts to the right, to form more products.

Explanation:

When sodium fluoride, NaF, is added to an aqueous solution, some HF is produced:

NaF + H₂O ⇄ OH⁻ + Na⁺ + HF.

That is, some H⁺ reacts decreasing its concentration.

Now, the equilibrium of the acetic acid is:

CH3COOH ⇄ CH3COO⁻ + H⁺

As the concentration of H⁺ decreases:

A. The equilibrium shifts to the right, to form more products.

In order to restore the initial equilibrium.