How many grams of calcium chloride will be produced when 27.0 g of calcium carbonate is combined with 11.0 g of hydrochloric acid?

173 degrees Celsius is extremely hot and would feel scorching and painful. It is well above the boiling point of water (100 degrees Celsius), so any contact with surfaces at this temperature would cause severe burns.

In more detail, at 173 degrees Celsius, the air would be unbearably hot, making it difficult to breathe. Your skin would feel a burning sensation immediately upon contact with any object or surface heated to this temperature. It would be similar to touching a hot stove or a blazing fire. The intense heat would quickly penetrate your skin, causing deep burns and potentially permanent damage. Extreme caution and protective measures are necessary to avoid such high temperatures, as they pose a significant risk to health and safety. It is important to stay away from such extreme temperatures to prevent serious harm.

In summary, 173 degrees Celsius would feel extremely hot and would cause severe burns upon contact with objects or surfaces at this temperature. The air would be scorching and difficult to breathe, making it essential to avoid exposure to such extreme heat for the sake of personal safety.

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The Pacific Ocean is the largest ocean in the world based on water volume, totaling some 660 million cubic kilometers and is almost equally divided into the North and South Pacific waters.

Answer:

gravitational force increases with mass and decreases with distance

Answer:

B) Distance between objects

Explanation:

Answer:

what you need to do is,

you take the relative atomic mass of each element and multiply it by the no of atoms it has. do this for all the elements present, and add the values. that's it!

Explanation:

try to do the last one by yourself, it is easy and you will be using the molecular/formula mass mostly everywhere in chemistry.

The balanced equations are Cd (g) + S\(_8\) (g) → CdS (g), K\(_2\)CO\(_3\) → K\(_2\)O + CO\(_2\). and a Na +  HOH → NaOH + H\(_2\). Cd (g) + S\(_8\) (g) → CdS (g) is combination reaction.

An equation per a chemical reaction is said to be balanced if both the reactants plus the products have the same number of atoms and total charge for each component of the reaction. In other words, both sides between the reaction have an equal balance of mass and charge. The balanced equations are Cd (g) + S\(_8\) (g) → CdS (g), K\(_2\)CO\(_3\) → K\(_2\)O + CO\(_2\). and a Na +  HOH → NaOH + H\(_2\).

Cd (g) + S\(_8\) (g) → CdS (g) = combination reaction

K\(_2\)CO\(_3\) → K\(_2\)O + CO\(_2\)  = decomposition reaction

Na +  HOH → NaOH + H\(_2\) = Hydration reaction

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The heat required is to convert 75.0 g of C₂Cl₃F₃ from a liquid at 13.60 ∘C to a gas at 76.00 ∘C is 17.55 kJ.

To solve this problem, we need to consider the different steps involved in the process of converting 75.0 g of C₂Cl₃F₃ from a liquid at 13.60 ∘C to a gas at 76.00 ∘C;

Heating the liquid C₂Cl₃F₃ from 13.60 ∘C to its boiling point at 47.6 ∘C, Vaporizing the liquid C₂Cl₃F₃ at its boiling point, and heating the resulting gas from 47.6 ∘C to 76.00 ∘C

Now, we can use the equations to calculate the heat required for each step;

q₁ = m × C₁ × ΔT₁

where q₁ is the heat required, m is the mass of C₂Cl₃F₃, C₁ is the specific heat of C₂Cl₃F₃(l), and ΔT₁ is the temperature change from 13.60 ∘C to 47.6 ∘C.

q₁ = 75.0 g × 0.91 J/g⋅K × (47.6 ∘C - 13.60 ∘C)

= 2466 J

q₂ = n × ΔHvap

where q₂ is the heat required, n is the number of moles of C₂Cl₃F₃, and ΔHvap is the heat of vaporization of C₂Cl₃F₃.

n = m/M

= 75.0 g / 137.37 g/mol

= 0.5464 mol

q₂ = 0.5464 mol × 27.49 kJ/mol

= 15.038 kJ

q₃ = m × C₂ × ΔT₂

where q₃ is the heat required, m is the mass of C₂Cl₃F₃(g), C₂ is the specific heat of C₂Cl₃F₃(g), and ΔT₂ is the temperature change from 47.6 ∘C to 76.00 ∘C.

m = n × M

= 0.5464 mol × 137.37 g/mol

= 75.0 g

q₃ = 75.0 g × 0.67 J/g⋅K × (76.00 ∘C - 47.6 ∘C)

= 1446 J

The total heat required is the sum of the heats required for each step;

\(q_{total}\)= q₁ + q₂ + q₃

= 2466 J + 15.038 kJ + 1446 J

= 17.55 kJ

Therefore, the total heat required is 17.55 kJ.

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The heat evolved per gram of CuS roasted is -5.01 kJ/g.

The reaction is exothermic, with a delta H of -114.6 kJ/mol. This means that the reaction releases 114.6 kJ of heat for every mole of CuS that is converted to CuO. The reaction is carried out in a roaster, which is a large, industrial-scale furnace that is specifically designed for this process.

To solve the above problem, we need to determine the heat evolved per mole of CuS roasted, and then convert that to heat per gram of CuS roasted.

The heat evolved per mole of CuS roasted can be calculated using the given equation and the given value for the enthalpy change:

AH = -805.6 kJ/mol

We can then convert the heat evolved per mole to heat evolved per gram by dividing by the molar mass of CuS:

Heat per gram = (-805.6 kJ/mol) / (160.6 g/mol) = -5.01 kJ/g

Therefore, After roasting, the copper oxide is then leached with a solution of sulfuric acid to extract the copper. The resulting solution is then filtered and the copper is recovered from the solution through a process called electrowinning.

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See full question below

The first step in the industrial recovery of copper from the copper sulfide ore is roasting, that is, the conversion of CuS to CuO by heating: 2CuS(s) + 302(g) → 2CuO(s) + 2802(g) AH = -805.6 kJ/mol Calculate the heat evolved (in kJ) per gram of CuS roasted.

Answer:

Everything around you can be broken down into smaller particles called atoms. The particles of one substance are all the same and different substances are made up of different particles.

Explanation:

The E° for a galvanic cell is 0.000217 volts if  ∆G° = -6.3 kJ/mol and n = 3. (F = 96,500 J/(V･mol).

A galvanic cell or voltaic cell, named after the scientists Luigi Galvani and Alessandro Volta, respectively, is an electrochemical cell in which an electric current is generated from spontaneous Oxidation-Reduction reactions. A common apparatus generally consists of two different metals, each immersed in separate beakers containing their respective metal ions in solution that are connected by a salt bridge or separated by a porous membrane.

E°=ΔG°/-nF= -6.3/-3×96500=0.000217 V.

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Answer:

15,000 cm^3

Explanation:

Think of 1 cm^3 as a cube that has side lengths of 1 cm. We know that 1 cm = 0.1 dm, so 1 cm^3 = 0.001 dm^3.

Using dimensional analysis, or the factor-label method, 15 dm^3 x (1 cm^3/0.001 dm^3) = 15,000 cm^3.

Answer:

X = 15d / c

Explanation:

make me brainliest please?

Answer:

otherwise you will be bord and have nothing to do

Explanation:

Answer:

Virus

Explanation:

Hope this helped :)

Answer: C

Explanation: Hope this help :D

The kinetic-molecular theory's true assertions are as follows:

If both containers' temperatures are the same, container A will have a higher pressure than container B.

Container A has a lower temperature than container B if the pressure in both containers is equal.

The molecules that make up a gas are always moving randomly, colliding with one another and the container walls, according to the kinetic molecular hypothesis. Remember that high temperature and low pressure are the only conditions in which perfect gases can exist.

The kinetic-molecular theory's true assertions are as follows:

If both containers' temperatures are the same, container A will have a higher pressure than container B.

If both are under pressure

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To solve this problem, I'll need some additional information related to the molar mass of butane (C4H10). Please provide the molar mass of butane so that I can proceed with the calculations.

If a gas has a volume of 145 mL at 125 °C, then it will have 108.56 mL at 25 °C.

According to Charles’ law, the volume of a gas is directly proportional to the temperature.

Thus, V1/T1=V2/T2 .......(i)

Here, V1 ⇒ initial volume

T1  ⇒ initial temperature in Kelvin

V2 ⇒ final volume

T2 ⇒ final temperature in Kelvin.

In the given question:

V1 = 145mL

T1 = 125°C= (125+273)K= 398K

T2 = 25°C= (25+273)K= 298K

Putting these values in equation (i),

145mL / 398K = V2 / 298K

Solving for V2, we get

V2 = 145mL * 298K /398 K

V2 = 108.56 mL

Therefore, at 25 °C, the gas will have a volume of 108.56 mL.

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Camels lose less water through their urine and feces than many other mammals. Their kidneys concentrate water heavily, leading to salty urine. The intestines also reabsorb water from intestinal material as it is digested, so dry feces are produced.

Explanation:

So the gas pressure of a helium balloon arises from the impact of the collisions of the helium atoms between themselves and with the inside surface of the balloon. Of course, the outside atmosphere similarly exerts a pressure on the outside of the balloon.

The helium atoms exert an electrostatic force that pushes the surface outward. This causes pressure inside a helium balloon. Therefore, the correct option is option C.

The force delivered perpendicularly to an object's surface per unit area across which requiring is dispersed is known as pressure. The pressure as compared to the surrounding air is known as gauge pressure (445). Pressure is expressed using a variety of units. Some of these are the result of dividing a unit of force times a unit of area.

The standard unit of pressure used in both the imperial or US customary systems is the pound-force every inch of space (psi, symbol lbf/in2), which is equivalent to one newton every square metre (N/m2) in the SI system. Standard atmospheric pressure, which is equal to the atmosphere (atm), is another way to express pressure. The helium atoms exert an electrostatic force that pushes the surface outward. This causes pressure inside a helium balloon.

Therefore, the correct option is option C.

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Answer:

a) \(\Delta G=2.6kJ\)

b) \(\Delta G=-979.57kJ\)

c) \(\Delta G=264.21kJ\)

Explanation:

Hello,

In this case, in each reaction we must subtract the Gibbs free energy of formation the reactants to the Gibbs free energy of formation of the products considering each species stoichiometric coefficients. In such a way, the Gibbs free energy of formations are:

\(\Delta _fG_{H_2}=\Delta _fG_{I_2}=0kJ/mol\\\Delta _fG_{HI}=1.3kJ/mol\\\Delta _fG_{CO_2}=-394.4kJ/mol\\\Delta _fG_{CO}=-137.3 kJ/mol\\\Delta _fG_{NH_3}=16.7 kJ/mol\\\Delta _fG_{HCl}=-95.3kJ/mol\\\Delta _fG_{MnO_2}=465.37kJ/mol\\\Delta _fG_{Mn}=0kJ/mol\\\Delta _fG_{NH_4Cl}=-342.81kJ/mol\)

So we proceed as follows:

a)

\(\Delta G=2\Delta _fG_{HI}-\Delta _fG_{H_2}-\Delta _fG_{I_2}\\\\\Delta G=2*1.3\\\\\Delta G=2.6kJ\)

b)

\(\Delta G=\Delta _fG_{Mn}+2*\Delta _fG_{CO_2}-\Delta _fG_{MnO_2}-2*\Delta _fG_{CO}\\\\\Delta G=0+2*-394.4-465.37-2*-137.3\\\\\Delta G=-979.57kJ\)

c)

\(\Delta G=\Delta _fG_{NH_3}+\Delta _fG_{HCl}-\Delta _fG_{NH_4Cl}\\\\\Delta G=16.7-95.3-(-342.81)\\\\\Delta G=264.21kJ\)

Regards.

The arrow in a chemical equation represents the direction of the reaction. It indicates the conversion of reactants into products. The arrow points from the reactant side to the product side, symbolizing the flow of the reaction.

The purpose of the arrow is to visually represent the chemical transformation occurring in the reaction. It shows the relationship between the reactants and products and the direction in which the reaction proceeds. The arrow implies that the reactant molecules are being rearranged and transformed into new substances with different properties.

Chemical equations are used to describe the stoichiometry and balance of reactions. The arrow helps convey this information by illustrating the overall process taking place. It serves as a crucial element in understanding the reaction's composition, reaction conditions, and the substances involved.

Furthermore, the arrow also implies that the reaction can occur in both directions. In reversible reactions, the arrow can be represented as a double-headed arrow, indicating that the reaction can proceed in either direction depending on the conditions.

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Answer:

Neutral solutions have an equal number of H+ ions and OH- ions. Acidic solutions have a higher H+ concentration. An acid is a substance that releases H+ when dissolved in water. Basic solutions have a low H+ concentration.

Based on the information given, it should be noted that sound travels through air, and putting your ear to a wall will not allow the person to hear the noise on the other side better. Therefore, it is false.

It should be noted that when sound is created, the air particles vibrate and collide with each other. The vibrating particles pass the sound through to a person's ear and then vibrate in the eardrum.

Sound travels through air, and putting your ear to a wall will not allow the person to hear the noise on the other side better. In such a case, the noise will be better heard when it travels through the air.

In conclusion, sound needs a medium such as air to travel.

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Water molecules did not have a slight negative charge on one end and a slight positive charge on another, the loss of polarity would have profound effects on various biological, chemical, and physical processes. The unique properties of water that are vital for life as we know it would be significantly altered, potentially rendering many biological systems nonfunctional and disrupting the stability of ecosystems.

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Isotope notation is written as the element symbol (in this case, S for sulfur) followed by the atomic mass number and the atomic number.

An element is a chemical substance that consists of one type of atom. All elements are made up of protons, neutrons, and electrons. The number of protons in an atom is what makes it a unique element. Each element has its own atomic number, which is the number of protons in the nucleus of an atom. Elements are the building blocks of all matter, and they are found in all living things, as well as in a variety of nonliving materials. Examples of elements include hydrogen, oxygen, nitrogen, carbon, and iron.

Since the number of protons is 16, the atomic number is also 16. The number of neutrons is 17, and the number of electrons is 18. Therefore, the correct isotope notation is 32S-2.

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Answer:

C. or D.

Explanation:

C. Having Solar Energy panels are very expensive

D. Solar Energy can only be produced whenever the sun is out and Wind energy can only be produced when it's a windy day/if there's wind

Answer:

the tilt does effect the earth it makes where there Is les heat in the winter and more in the summer that's when it's mainly changing

Explanation:

the hemisphere tilted away will revive less heat

Answer:

Density

Explanation:

Density is defined as the mass per unit volume. It is the ratio between the mass and the volume of a substance. It does not matter how large or small a sample of matter is, the same substance will always have the same density, because of this. The ratio between the mass and volume remains the same.