According to the following reaction, how many grams of sulfur are formed when 37.4 g of water are formed?
2H₂S(g) + SO₂(g) → 3S(s) + 2H₂O(l)

Answer:

Strong acids are 100% ionized in water.

Explanation:

A strong acid is any acid that is completely ionized in water (achieves 100% ionization). Weak acids do not ionize completely in water. Many weak acids ionize to a very small extent in pure water.

Examples of strong acids are HCl, H2SO4, HNO3, etc.

The statement that accurately describes the photoelectric effect is Shining a HIGH frequency light over a metal will cause ELECTRONS to be ejected. That is option B.

Photoelectric effect is defined as the process by which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation.

The photoelectric effect can also be defined as the ejection of electrons from a metal plate when light falls on it.

Therefore, statement that accurately describes the photoelectric effect is Shining a HIGH frequency light over a metal will cause ELECTRONS to be ejected.

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Hello, this is Bing. I can help you with your question. Based on the information I found on the web, **H2** can be broken down into its two atoms of hydrogen (H) by supplying enough energy to overcome the bond that holds them together⁴. This process is called **dissociation** and requires an energy equal to or greater than the **dissociation energy** of H2, which is about 436 kJ/mol⁴.

One way to break down H2 is by using **electricity** to split water (H2O) into hydrogen (H2) and oxygen (O2) through a process called **electrolysis**¹. In this process, water is decomposed into its elements by passing an electric current through it. The electric current is provided by a battery or another source of electricity and the water needs to have an **electrolyte**, such as salt or acid, added to it to make it conductive¹. Two electrodes, usually made of metal or other conductive material, are inserted into the water and connected to the battery. The electrode connected to the positive terminal of the battery is called the **anode** and the one connected to the negative terminal is called the **cathode**¹. When the electric current flows through the water, hydrogen gas bubbles form at the cathode and oxygen gas bubbles form at the anode¹. The overall chemical reaction for electrolysis of water is:

2 H2O → 2 H2 + O2

Another way to break down H2 is by using **heat** to cause a reaction between hydrogen and oxygen that produces water and releases a large amount of energy. This reaction is called **combustion** or **oxidation** and can be ignited by a spark or a flame³. The reaction is very fast and explosive and can be dangerous if not controlled. The overall chemical reaction for combustion of hydrogen is:

2 H2 + O2 → 2 H2O

I hope this helps you understand how H2 can be broken down and what methods are used to do so.

When fossil fuels burn, several forms of energy are produced, including:

Heat energy: The primary form of energy released during fossil fuel combustion is heat. Fossil fuels contain chemical energy stored for millions of years, and when they burn, this energy is released in the form of heat. The heat energy can be harnessed for various purposes, such as heating buildings or generating steam to drive turbines.

Light energy: Burning fossil fuels can also produce light energy in the form of flames or glowing embers. This light energy is a byproduct of combustion.

Mechanical energy: Heat generated by burning fossil fuels can be converted into mechanical energy. This is typically achieved by using heat to produce steam, which drives a turbine connected to a generator. The rotating turbine converts the heat energy into mechanical energy, which is further transformed into electrical energy.

Electrical energy: Through the process described above, burning fossil fuels can ultimately generate electrical energy. The mechanical energy produced by the turbine is converted into electrical energy by the generator. Electrical energy can power various devices, appliances, industries, and infrastructure.

It's critical to note that while burning fossil fuels can produce useful forms of energy, it also results in the release of carbon dioxide and other greenhouse gases. This contributes to climate change and environmental concerns. As a result, there is a global shift towards cleaner and renewable energy sources to mitigate these negative impacts.

Answer:

White school glue is liquid because its long polymers can slide over and along one another. It does not flow easily, though; it is quite viscous. The addition of some chemicals—such as a borax solution (or sodium tetraborate decahydrate dissolved in water)—can cause cross-links to form between the polymers.

Explanation:

Answer:

It is a liquid :]

Answer:

\(\boxed {\boxed {\sf D. \ 0.25 \ M}}\)

Explanation:

Molarity is a measure of concentration in moles per liter.

\(molarity= \frac{moles \ of \ solute}{ liters \ of \ solution}\)

The solution contains 0.75 moles of sodium chloride and has a volume of 3.0 liters.

Substitute these values into the formula.

\(molarity= \frac{ 0.75 \ mol \ NaCl}{3.0 \ L}\)

\(molarity= 0.25 \ mol \ NaCl/L\)

Molarity has the molar (M) as its unit. 1 molar is equal to 1 mole per liter.

\(molarity= 0.25 \ M \\)

The molarity of the solution is 0.25 Molar and Choice D is correct.

Answer:D

Explanation:

Decomposers decompose food and return it to the environment through the soil

Answer:

How do amoeba respire.

How do plants respire.

Here is the balanced chemical equation for the reaction involving \([Cu(OH_2)_6]^{2+}:\)

\([Cu(OH_2)_6]^{2+} + 4Cl^- = [CuCl_4]^{2-} + 6H_2O\)

In this reaction, \([Cu(OH_2)_6]^{2+}\) is a complex ion of copper(II) that reacts with chloride ions to form the complex ion \([CuCl_4]^{2-}\) and water molecules.

The balanced equation indicates that for every one mole of \([Cu(OH_2)_6]^{2+\) that reacts, four moles of chloride ions are required and two moles of \([CuCl_4]^{2-\) and six moles of water are produced.

A balanced chemical equation is a written representation of a chemical reaction that shows the same number of atoms of each element on both the reactant and product sides of the equation.

In other words, the law of conservation of mass is obeyed in a balanced chemical equation, which states that the total mass of the reactants must equal the total mass of the products.

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The precipitates are

Ppt A  Sr(OH)2      Strontium hydroxide

Ppt B   BaCO3        Barium carbonate

Ppt C   SrCO3         Strontium carbonate

Ppt D   BaSO4         Barium sulphate

Ppt E   Sr(OH)2      Strontium hydroxide

Ppt F   SrSO4         Strontium sulphate

What is a precipitate ?

Precipitation is the process of changing a dissolved substance from a super-saturated solution to an insoluble solid in an aqueous solution. Precipitate refers to the produced solid. The chemical agent that initiates the precipitation in an inorganic chemical process is referred to as the precipitant. 

The term "supernate" or "supernatant" also refers to the clear liquid that remains on top of the precipitated or centrifuged solid phase.

The precipitates are

Ppt A  Sr(OH)2      Strontium hydroxide

Ppt B   BaCO3        Barium carbonate

Ppt C   SrCO3         Strontium carbonate

Ppt D   BaSO4         Barium sulphate

Ppt E   Sr(OH)2      Strontium hydroxide

Ppt F   SrSO4         Strontium sulphate

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The conclusion that can be drawn about lupus is that: Lupus can affect almost every system of the body. Option D. is the correct answer.

What is Lupus (SLE)?

This refers to a disease that happens when your body's immune system attacks your own tissues and organs (autoimmune disease).

Lupus (SLE) can affect the following body parts: joints, skin, kidneys, blood cells, brain, heart and lungs.

Symptoms differ from person to person but can include fatigue, joint pain, rash and fever. These can get worse from time to time (flare up) and then improve.

Lupus has no cure. Current treatments are based on improving quality of life by controlling symptoms and minimizing flare-ups. This starts with lifestyle modifications, including sun protection and diet. Also, disease management includes medication such as anti-inflammatories and steroids.

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Answer:

Volume = 3.4 L

Explanation:

In order to calculate the volume of CO₂ produced when 15.2 g of CaCO₃ is heated, we need to first write out the balanced equation of the thermal decomposition of CaCO₃:

CaCO₃ (s) + [Heat] ⇒ CaO (s) + CO₂ (g)

Now, let's calculate the number of moles in 15.2 g CaCO₃:

mole no. = \(\mathrm{\frac{mass}{molar \ mass}}\)

                 = \(\frac{15.2}{40.1 + 12 + (16 \times 3)}\)

                 = 0.1518 moles

From the balanced equation above, we can see that the stoichiometric molar ratios of CaCO₃ and CO₂ are equal. Therefore, the number of moles of CO₂ produced is also 0.1518 moles.

Hence, from the formula for the number of moles of a gas, we can calculate the volume of  CO₂:

mole no. = \(\mathrm{\frac{Volume \ in \ L}{22.4}}\)

⇒ \(0.1518 = \mathrm{\frac{Volume}{22.4}}\)

⇒ Volume = 0.1518 × 22.4

                 = 3.4 L

Therefore, if 15.2 g of CaCO₃ is heated, 3.4 L of CO₂ is produced at STP.

Answer:

compound

Explanation:

Answer:

The answer is compound

Explanation:

uhm no and u turn it

Answer:

what does that mean

Explanation:

you just grab an axe and start hitting

A muffi n recipe calls for cream of tartar, or potassium hydrogen tartrate. The amount of cream of tartar that is required contains 2.56 ×10²³atoms of carbon. 0.42moles of potassium hydrogen tartrate is required

In the Global System of Units (SI), the mole represents the unit of material quantity. How many fundamental entities of a particular substance are present within an object a sample is determined by the quantity of that material. An elementary entity can be a single atom, a molecular structure, an ion, a charged particle pair, or a particle that is subatomic like a proton depending on the makeup of the substance.

For instance, despite the fact that the two substances have different volumes and masses, 10 moles of water because 10 moles of the chemical element mercury both contain the same quantity of stuff, because the mercury comprises exactly one particle for each molecule of water.

mole = 2.56 ×10²³/ 6.022×10²³

       = 0.42moles

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Answer:

C₁₂H₂₂O₁₁ + H₂O     →    C₅H₁₂O₆ + C₆H₁₂O₆

Explanation:

Chemical equation:

C₁₂H₂₂O₁₁ + H₂O     →    C₅H₁₂O₆ + C₆H₁₂O₆

Source of sucrose:

Sucrose is present in roots of plants and also in fruits. It is storage form of energy. Some insects and bacteria use sucrose as main food. Best example is honeybee which collect sucrose and convert it into honey.

Monomers of sucrose and hydrolysis:

Sucrose consist of monomers glucose and fructose which are join together through glycosidic bond. Hydrolysis break the sucrose molecule into glucose and fructose. In hydrolysis glycosidic bond is break which convert the sucrose into glucose and fructose. Hydrolysis is slow process but this reaction is catalyze by enzyme. The enzyme invertase catalyze this reaction.

The given reaction also completely follow the law of conservation of mass. There are equal number of atoms of elements on both side of chemical equation thus mass remain conserved.

Answer:

C.

Explanation:

The correct way to write the diagram of an ionic compound is:

- Use brackets by writing inside them, the symbol of each element separately.

- Draw the symbol and the number o the charge of each one, negative (-) add positive +()., in this case it is +1 for Mg (because Mg lost an electron) and -1 for O (because O won an elec).

Ba(OH)2

HOPE IT HELPS...!!!

Answer:

Explanation:

                                       Answer:

Explanation: stay the same

There are approximately 6.022 × 10^23 atoms in 12 grams of Carbon-12 (12C).

The number of atoms in a given amount of a substance can be calculated using Avogadro's number, which represents the number of atoms or molecules in one mole of a substance. Avogadro's number is approximately 6.022 × 10^23.

Carbon-12 is a specific isotope of carbon, with an atomic mass of 12 atomic mass units (amu). One mole of Carbon-12 has a mass of 12 grams. Since one mole of any substance contains Avogadro's number of particles, in the case of Carbon-12, it contains 6.022 × 10^23 atoms.

Therefore, if we have 12 grams of Carbon-12, which is equal to one mole, we can conclude that there are approximately 6.022 × 10^23 atoms in this amount of Carbon-12.

In summary, 12 grams of Carbon-12 contains approximately 6.022 × 10^23 atoms. Avogadro's number allows us to relate the mass of a substance to the number of atoms or molecules it contains, providing a fundamental concept in chemistry and enabling us to quantify and understand the microscopic world of atoms and molecules.

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Answer: A rise in temperature increases the kinetic energy and speed of particles; it does not weaken the forces between them. The particles in solids vibrate about fixed positions; even at very low temperatures. Individual particles in liquids and gases have no fixed positions and move chaotically.

Answer:

energy kinetic particles in substance

IUPAC name is the systematic name given to a chemical compound according to the rules and guidelines set forth by IUPAC.

IUPAC is short for International Union of Pure and Applied Chemistry.  The IUPAC name provides a standard and unambiguous way of naming chemical compounds, which is important for communication among scientists and for the accurate reporting of chemical information.

The IUPAC name is typically based on the structure and composition of the compound, and it provides information about the functional groups and other features of the molecule. The naming rules take into account factors such as the number and type of atoms, the arrangement of atoms within the molecule, and the presence of functional groups.

The accurate IUPAC names for the given substances are:

Mg(NO3)2: Magnesium nitrate

CaCl2: Calcium chloride

S2Cl4: Disulfur tetrachloride

HI (aq): Hydrogen iodide or Hydroiodic acid

FeBr3: Iron(III) bromide

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Answer:

D

Explanation:

Answer:d

Explanation:

The balanced molecular equation for the reaction between solid aluminum and a solution of copper(II) chloride is: 2Al(s) + 3CuCl2(aq) → 3Cu(s) + 2AlCl3(aq).

Aluminium and copper(II) chloride react very vigorously, causing the reaction mixture to become extremely hot as heat is produced, the aluminium foil to dissolve, a reddish brown solid to appear, and gas bubbles to be released.

The aluminium foil disintegrates, heat is released, the copper(II) ions' blue colour disappears, and a new, reddish-brown solid develops in the reaction mixture.

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The number of moles of the gas by the ideal gas law is 0.18 moles.

The behavior of an ideal gas, a hypothetical gas made up of randomly moving particles with little volume and no intermolecular interactions, is described by the ideal gas law.

Although intermolecular interactions and non-zero particle volume prevent gases from always behaving in an ideal manner, the ideal gas law is nevertheless a good approximation for many gases under some circumstances.

We know that;

PV = nRT

We have ;

P = 1.2 atm

V = 3.4 L

T = 10 + 273 = 283 K

n = ?

n = PV/RT

n = 1.2 * 3.4/0.082 * 283

n =4.08 /23.2

n = 0.18 moles

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According to the given statement Na of the atoms listed below has the largest radius.

An atom is made up of a core nucleus and one or even more electrons with negative charges that orbit it. The positively charged, comparatively hefty protons and neutrons that make it up the nucleus may be present. The fundamental building components of matter are atoms.

Atoms are made up of a nucleus in the center that is surrounded by protons, neutrons, and electron. Uranium is divided into smaller atoms during the fission process, creating new atoms. The creation or atoms in enormous numbers can be seen in the Big Bang and Supernova phenomena.

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Answer:

AN ELECTRON HAS THE SMALLEST MASS!

Answer:

A) electron

good luck, i hope this helps :)

Answer:

A dam: 3

solar cells: 2

food: 1

a rocket: 1

Answer:

1: yes

Explanation:

Answer:

ability to rust

Explanation:

i'm like 90% sure thats correct