Jose And Denise Are Having A Conversation About Mechanical Energy. Josesays That Mass Has No Affect On (2024)

Answer:

The answer is sodium which is the element is the most reactive.

Answer:

Nitrogen: N3-

Aluminum: Al3+

Fluorine: F-

Sulfur: S2-

Oxygen: O2-

Argon: Ar

Explanation:

Argon is a noble gas, so it doesn't have a normal ionic charge.

Answer:

1. One atom pulls an electron from another atom.

2. Forming bonds releases energy and is exothermic.

3.pull electrons away from other elements.

4. Additional bonds require more energy to break, so the bond energy is higher.

5. −153

Explanation:

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Answer:

1. One atom pulls an electron from another atom.

2. Forming bonds releases energy and is exothermic.

3. pull electrons away from other elements.

4. Additional bonds require more energy to break, so the bond energy is higher.

5. −153

Explanation:

i did the quick check i got 100%

Answer:

» Similarities :

☑ They both react by chemical means, to produce either an element or compound as the end product of the chemical reaction.

• Take an example of Magnesium reacting with cold water:

[tex]{ \rm{Mg_{(s)} + 2H _{2} O _{(l)} → Mg(OH)_{2(aq)} + H_{2(g)}}}[/tex]

• If it reacts with steam:

[tex]{ \rm{Mg _{(s)} + H _{2} O_{(l)} → MgO_{(s)} + H_{2(g)}

}}[/tex]

• [ Element: Magnesium and Compound: Water ]

They are both classified under atomic substances cause they are made up of microscopic molecules known as atoms.

☑ They are both formed up by microscopic substances known as atoms.

» Differences :

☑ Compounds generally have higher molecular masses than elements.

☑ Compounds are formed through bonding by elements while elements can naturally exist or formed by extraction, purification and concentration

Answer:

No

Explanation:

You can not have a reaction that produces "no mass". This breaks the law of conservation of mass. When gasses are produced, they will have a specific amount of mass associated with them which means they will have a weight. They will have to be accounted for

Answer:

The answer to the question is 148.3 g

Explanation:

To find moles, you want to get rid of the grams by finding molar mass. Then, you have to get rid of grams using cross multiplication. This is why 148.3 grams is on the bottom; it will get rid of the grams on the original amount leaving you moles.

Answer:

C

Explanation:

Reaction 3 is the double displacement reaction.

Double displacement reaction occurs when the negatively and the positively charged ions of the compounds interchange their position when the new compound in the product is formed.

Which is a double displacement reaction?

In the first reaction, the element lead (Pb) is not an ion and no exchange of the cations or the anions occurs hence it is not a double displacement reaction.

In the second reaction, one compound is getting split into two new compounds and is a decomposition reaction.

In the third reaction, [tex]\rm Br^{-}[/tex] in [tex]\rm 2NaBr[/tex] and [tex]\rm (OH)_{2}[/tex] in [tex]\rm Ca(OH)_{2}[/tex] are anions and cations and exchanges their places to produce two new compounds [tex]\rm CaBr_{2} + 2NaOH.[/tex]

In the fourth reaction, a single compound is generated as the result of the combination reaction and hence, it is not the double displacement reaction.

Therefore, [tex]\rm 2NaBr + Ca(OH)_{2} \rightarrow CaBr_{2} + 2NaOH[/tex] is the double displacement reaction.

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Answer:

look at the photo........................

Answer:

No, gravity isn't matter

Explanation:

Gravity is a force that attracts matter towards the center of a physical body with mass.

We have that the the liquid is

C_2H_5OH (ethanolAnd at a condition of H_2SO4 as catalyst and temp 170

From the question we are told

A student wished to prepare ethylene gas by dehydration of ethanol at 140oC using sulfuric acid as the dehydrating agent.A low-boiling liquid was obtained instead of ethylene. What was the liquid, and how might the reaction conditions be changed to give ethylene

Ethylene formation

Generally the equation is

2C_2H_5OH------CH3CH_2O-CH_2CH_3+H_20

Therefore

with ethanol at 140oC

The product is diethyl ethen

The reaction at 170 ethylene will give

C_2H_5OH-------CH_2=CH_2+H_2O( at a condition of H_2SO4 as catalyst and temp 170)

Therefore

The the liquid is

C_2H_5OH (ethanol

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This problem is providing us with the mass of an unknown compound, the mass of water it was added in and the change (decrease) in the freezing point the solution exhibited. Thus, the problem requires the molar mass of the compound, and at the end, the result turns out to be 126.7 g/mol, according to:

Freezing point depression:

In chemistry, colligative properties are used to understand how the properties of a solvent change as a solute is added, forming a solution. In this case, we can use the following formula, since the solute decreased water's freezing point:

[tex]\Delta T_m=-m*Kf[/tex]

Where the molality is the first variable for us to calculate given the other two:

[tex]m=\frac{-3.14\°C}{-1.86\°C/m} =1.69m[/tex]

Thus, since this molality is in moles of solute per kilograms of solvent (water), one can find the former by multiplying the 35.0 g of water, but in kilograms:

[tex]n=\frac{1.69mol}{kg} *35.0g*\frac{1kg}{1000g} =0.0591mol[/tex]

Finally, we compute the molar mass as required:

[tex]M=\frac{7.50g}{0.0591mol}\\ \\M=126.9g/mol[/tex]

As we assumed this solute is nonionizing.

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Answer:

Natural gas is environmentally friendly because it burns cleaner than other fossil fuels. It's safer and easier to store when compared to other fossil fuels. Natural gas is extremely reliable, unlike electric power that can be knocked out during a storm. Natural gas is less expensive than other fossil fuels.

Explanation:

Answer:

There are many reasons to examine human cells and tissues under the microscope. Medical and biological research is underpinned by knowledge of the normal structure and function of cells and tissues and the organs and structures that they make up. In the normal healthy state, the cells and other tissue elements are arranged in regular, recognizable patterns. Changes induced by a wide range of chemical and physical influences are reflected by alterations in the structure at a microscopic level, and many diseases are characterized by typical structural and chemical abnormalities that differ from the normal state. Identifying these changes and linking them to particular diseases is the basis of histopathology and cytopathology, important specializations of modern medicine. Microscopy plays an important part in haematology (the study of blood), microbiology (the study of microorganisms including parasites and viruses), and more broadly in the areas of biology, zoology, and botany. In all these disciplines, specimens are examined under a microscope.

hope it helps

Answer:

See the attachment...!!!

Answer:

Many forms of energy exist, but they all fall into two basic categories:Potential energy.Kinetic energy.

The value of Keq for this reaction is [tex]\bold{1.8 \times 10^-^5}[/tex]

The correct option is (A).

What is acetic acid?

Acetic acid is an organic compound also called ethanoic acid. It is a colorless liquid with a chemical formula [tex](CH_3COOH)[/tex].

It has antibacterial and antifungal properties.

When acetic acid is reacted with water, it completely dissolves in it.

Thus, the correct option is A, [tex]\bold{1.8 \times 10^-^5}[/tex].

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Answer:

Spectroscopy

Explanation:

They can determine its composition based on these wavelengths. The most common method astronomers use to determine the composition of stars, planets, and other objects is spectroscopy

Quadratic equation is a polynomial equation of the second degree.

What is a quadratic equation?

The term quadratic equation refers to an equation of the type ax^2 + bx +c. It is a polynomial of degree 2. The highest power of x therein is only 2.

The question is incomplete hence we can't really tell which of the pair of functions in which the exponential is consistently growing at a faster rate than the quadratic over the interval.

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Answer:C

Explanation:

Answer:

NO, THE CRUMPLED PAPER WEIGHT'S MORE THAN FLAT SHEET OF PAPER

A battery converts chemical energy to electrical energy.

What is a battery?

A battery is a device in which chemical energy is converted to electrical energy. The size of a battery does not necessarily correspond to its voltage.

The images were not shown but a head to head battery connection is said to be in series while a connection of batteries to a common junction is said to be in parallel.

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Answer:

This is the answer to the first one.

Explanation:

We cannot change protons of any elementSo the atomic number is 33The element is Arsenic(As)

Now here is 36 electrons so it's. tri cation.

Symbol

[tex]\\ \tt\hookrightarrow As^{3+}[/tex]

The chemical symbol for an ion with 33 protons and 36 electrons is As³⁺.

As is the chemical symbol for the element arsenic, which has 33 protons in its nucleus since the number of protons determines the identity of the element.The number of electrons in an atom is equal to the number of protons in a neutral atom, but in this case, the atom has 36 electrons, which means it is negatively charged.

In order to become a positively charged ion, the atom must lose electrons equal to the charge magnitude. In this case, the atom loses three electrons, giving it a charge of +3, making it an ion with 33 protons and 36-3=33 electrons.

Thus,the chemical symbol for the ion with 33 protons and 36 electrons is written as As³⁺.

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Answer

Explanation:
Sodium is a group 1 element which means it has 1 electron in its outer shell
Chlorine is a group 7 element which means it has 7 electrons in its outer shell

All atoms need 8 electrons in their outer shells to be happy so when Sodium and Chlorine react, Sodium loses the electron in its outermost shell, and Chlorine receives it. So Chlorine's outermost shell is saturated as it now has 8 electrons and Sodium now has its middle shell as it's outermost shell (so it now has 8 electrons in its outermost shell).
So since sodium lost an electron it now has a positive charge of 1+ and Chlorine has a negative charge of 1- because it gained an electron (Protons have a positive charge, Neutrons have no charge and Electrons have a negative charge). So since Sodium has a positive charge and Chlorine has a negative charge they attract each other and form what is called an ionic bond (a bond that is formed between ions of opposite charge) because of this ionic bond the Sodium and Chlorine atoms stick together and form Sodium Chloride (which is table salt)

Hey, the answer would be pentose.

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Answer:

please read the answer above

Answer:

Volcanoes can have very serious effects on the environment around them when they erupt. Buildings are destroyed and people are made homeless. People are killed. Clouds of ash cover plants making them inedible. Dust causes pneumonia and illnesses to the survivors. Dark skies, severe winds and heavy rains may follow an eruption for months afterwards.

Explanation:

Gases and solids injected into the stratosphere circled the globe for three weeks. Volcanic eruptions of this magnitude can impact global climate, reducing the amount of solar radiation reaching the Earth's surface, lowering temperatures in the troposphere, and changing atmospheric circulation patterns.

AnswerAnswerAnswermeAnswer:

The Answer would be First Decrease then warmer.

Explanation:

It is right trust me

Answer:

100° C (212° F).

Explanation: