Look at the symbol equation below. Which is the missing product? mgco3+2hcl-->___+h2o+co2

The thing that will happen to the underwater plants is option D: Existing plants will grow larger and new plants will grow.

The existing plants in the aquarium were limited in their growth by the availability of light. By increasing the amount of sunlight the aquarium receives, the plants will now have access to more light energy, which is necessary for photosynthesis.

Therefore,  This increased light energy will allow the existing plants to grow larger. Additionally, the increased light will also provide the necessary energy for new plants to grow, resulting in an increase in the overall number of plants in the aquarium.

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The correct value for the density of cadmium from these data is 8.7 g/cm³

The correct answer is E.

Density is the mass of a material substance per unit volume. d = M/V, where d is density, M is mass, and V is volume, is the formula for density. Grams per cubic centimeter are a typical unit of measurement for density.

Mass = 25.95g

Volume of water before = 46.3 cm³

Volume of water after = 48.9 cm³

volume cadmium can be calculate as follows

Volume of Cadmium = Volume after - Volume before = 49.3 - 46.3 = 3 cm³

after we got the volume we can calculate the density as follows:

Density = Mass / Volume

Density = 25.95g / 3cm³= 8.65 g/cm³ ≈ 8.7 g/cm³

your question is incomplete but most probably your full question was attached below

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Answer:

Explanation:

I'm sorry, but I disagree with the statement because the direction of the breeze is not solely determined by the difference in temperature between the land and sea. The direction of the breeze is influenced by a variety of factors such as the pressure system, the prevailing wind patterns and the shape of the land. During the daytime, sea breeze is a common phenomenon, which is caused by the land heating up faster than the ocean, and as the hot air rises, it creates a low-pressure system over the land, drawing in cooler air from the ocean. So, the breeze can blow from the land or sea during the daytime, it's not always blowing from the land.

A mass of iron (in grammes) of 55.71 g can be found in an iron ore comprising 98.34 g and 80.00% hematite, also known as fe2o3. Hematite and other minerals combination in the rock known as iron ore.

Iron(III) oxide, also referred to as ferric oxide, is an inorganic compound having the chemical formula Fe2O3. The other two primary iron oxides (Fe3O4) are iron(II,III) oxide, which is rare, and iron(II,III) oxide. A body's mass is a key feature. It was widely believed to be connected to the volume of matter in a physical body before to the atom's discovery and the development of particle physics.

98.34 g of iron ore 80.00% of hematite

55.71g of iron are found in Fe2o3.

iron ore = 98.34 g

hematite = 80.00%

The mass of iron in Fe2o3 is 55.71g

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The rate of enzyme-catalyzed reactions typically increases as increase in temperature. Therefore, it is possible that the rate of your enzyme-catalyzed reaction will be faster at 30°C than it was at 20°C.

Catalysts can be classified as homogeneous, heterogeneous, or enzymatic. Homogeneous catalysts live in the same phase as the reactants, while heterogeneous catalysts exist in a different phase than the reactants.

Enzyme catalysis is the upsurge in the rate of a process by a biological molecule, an enzyme. Most enzymes are proteins, and most such processes are chemical reactions. Within the enzyme, generally catalysis occurs at a localized site, called the active site.

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A radioactive kind of the actinium will be left after 132 years if you start with 301,184 grams and the half-life is 22 years is 4706 g.

A radioactive actinium element is 301184 grams and have the half-life of 22 years :

The formula to calculate the half life is;

N(t) = N₀e⁻ˣ

N(t) = amount of substance after the time t

N₀ = initial amount of the substance

x = time

Putting the values, we get

N(t) = 301184(1/2)¹³²/₂₂

N(t) = 301184 (1/2)⁶

N(t) = 4706 g

Thus, the amount of the actinium will be left after the 132 years is 4706 g.

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The Alien Death Moon is an enigmatic and powerful cosmic entity that has the ability to alter the trajectories of objects in its vicinity.

What do you mean by trajectories?

Trajectories refer to the path that an object takes over a period of time. This can refer to the physical path of an object moving in space or the path of an object's energy, such as the path of sound through a speaker. Trajectories can also refer to the path of a person's life, such as the trajectory of their career or life decisions.

Its gravitational pull is so strong that it is able to redirect the paths of objects that come close to it, including the Space Station's probe. The sudden change in the probe's direction is an indication that it has been affected by the Alien Death Moon's gravitational pull, prompting the crew to suspect its presence.

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Answer:

B: 1s²2s²2p¹

Na: 1s²2s²2p⁶3s¹

Explanation:

A = 2

B = 1

C = 2

D = 6

E = 1

The images of the ionic bonds of the compounds is shown in the image attached.

If we are talking about the ionic bonding model, what we mean is that in this kind of bonding. there is the transfer of electrons from the metals to the non metals. In this process, the metal would be positively charged while the non metal would be negatively charged.

As such, in the case of the potassium bromide, we can see from the image that electrons are transferred from potassium to bromine while electrons are transferred from aluminum to chlorine.

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When mixed with hot water, it reacts to form hydrogen gas and magnesium hydroxide.

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Hydrogen and chlorine gases combine to form hydrogen chloride gas. The limiting reagent when 18.0 g of H₂ react with 40.0 g of Cl₂ is 638.1g Cl₂.

The term limiting reagent is defined as the reactant that is completely used up in a reaction, and thus determines when the reaction stops.

The chemical equation is as follows:

H₂ + Cl₂ → 2HCl

18.0g H₂ X 1 mol H₂ / 2.0g H₂ X 1 mol Cl₂ / 1 mol H₂ X 70.9g Cl₂ / 1 mol Cl₂ = 638.1g Cl₂

Therefore, Cl₂ is our limiting reagent.

Thus, The limiting reagent when 18.0 g of H₂ react with 40.0 g of Cl₂ is 638.1g Cl₂.

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One of organic compound that we always found in our daily life is acetic acid and also known as ethanoic acid. The source of the chosen compound are fruits, vegetables, and fermented products.

Sources:

The compound Acetic acid can be found in many natural sources such as in fruits, vegetables, and fermented products. It is also produced industrially through the fermentation of carbohydrates, such as glucose, by certain strains of bacteria and by chemical synthesis.

Benefits:

1. Acetic acid is used as a food preservative, as it can inhibit the growth of harmful bacteria, helping to extend the shelf life of food products.

2. Acetic acid is a key component in the production of vinegar, which is a common ingredient in cooking and salad dressings.

3. Acetic acid has been shown to have potential medicinal benefits, such as being an antimicrobial and an anti-inflammatory agent.

It is important to note that while it may have some benefits, consuming acetic acid in large amount can be harmful, and it is always advisable to follow the guidelines and instructions on the products containing acetic acid.

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0.69 moles of aluminum chloride could be produced from 37.0 g of chlorine gas (cl2).

To determine how many moles of aluminum chloride (AlCl3) can be produced from 37.0 g of chlorine gas (Cl2), you need to use the balanced equation for the reaction between aluminum and chlorine:

2 Al + 3 Cl2 -> 2 AlCl3

You know that the molar mass of chlorine is 35.5 g/mol. So you can convert 37.0 g of chlorine to moles by dividing it by the molar mass.

37.0 g Cl2 / 35.5 g/mol = 1.04 mol Cl2

Using the balanced equation, you can see that for every mole of aluminum, 3 moles of chlorine are needed to form 2 moles of aluminum chloride. Therefore, you can find the moles of aluminum chloride produced by multiplying the moles of chlorine by the coefficient of aluminum chloride in the balanced equation, which is 2.

1.04 mol Cl2 * 2 / 3 = 0.69 mol AlCl3

So, you can produce 0.69 moles of aluminum chloride from 37.0 g of chlorine gas.

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Taking into account the reaction stoichiometry, 2.03 moles of C₂H₆ are required if 7.12 mol of ethane (C2H6) undergoes combustion.

The balanced reaction is:

2 C₂H₆ + 7 O₂ → 4 CO₂ + 6 H₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

It is possible to use a simple rule of three as follows: If by reaction stoichiometry 7 moles of O₂ react with 2 moles of C₂H₆, 7.12 moles of O₂ react with how many moles of C₂H₆?

moles of C₂H₆= (7.12 moles of O₂× 2 moles of C₂H₆)÷7 moles of O₂

moles of C₂H₆= 2.03 moles

Finally, 2.03 moles of C₂H₆ are required.

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At a gas temperature of 300 K, the average kinetic energy of a hydrogen molecule is equal to that of an oxygen molecule.

A molecule or gas particle's average kinetic energy is proportional to its absolute temperature, and this relationship is represented by the equation [tex]KE_{avg}=\frac{3 k__BT}{2}[/tex]. Here, [tex]k_B[/tex] is used to represent the Boltzmann constant, and T is used to represent the temperature.

In the given situation, the average kinetic energy depends mostly on the gas molecule's temperature and not its type. At the same temperature, [tex]\mathrm{KE_{avg}\;of\;oxygen=KE_{avg}\;of\;Hydrogen}[/tex]. Then, the temperature of hydrogen is also equal to that of the temperature of oxygen. Therefore, [tex]\mathrm{T_{O_2}=T_{H_2}}=\mathrm{300\;K}[/tex].

The required answer is 300 K.

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The number of grams of NaOH that will react with 507g of FeCl₂ is 320 grams.

Stoichiometry is the study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).

According to this question, iron chloride reacts with sodium hydroxide to produce iron hydroxide and sodium chloride as follows:

FeCl₂ + 2NaOH → Fe(OH)₂ + 2NaCl

1 moles of FeCl₂ reacts with 2 moles of NaOH

507g of FeCl₂ is equivalent to 507g ÷ 126.751 g/mol = 4 moles

This means that 4 moles of FeCl₂ will react with 8 moles of NaOH.

Mass of NaOH = 40g/mol × 8moles = 320grams.

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The balanced equations of the reaction are given below:

Overall equation: 2 H_O → H₂O₂ (l)

Equation 1: H_O ---> H_O (g)

Equation 2: H_O (g) → H₂O₂ (g)

Equation 3: H₂O₂ (g) → H₂O₂ (l)

A balanced equation is an equation of a chemical reaction in which the number of moles of atoms for all the elements in the reaction is equal on both sides of the reaction.

A balanced chemical equation is obtained from the law of conservation of matter that states matter can not be created or destroyed.

Balancing chemical equations involves the addition of numerical coefficients to the reactants and products.

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When neither air mass can overpower the other and therefore cannot move the option 4- stationary front

A stationary front is a weather boundary where two air masses meet and neither one can overpower the other, resulting in little or no movement of the front. This can lead to prolonged periods of cloudy, damp, and often unstable weather. Warm fronts, cold fronts, and occluded fronts are all types of frontal systems that can move across a region, while stationary fronts tend to remain in a specific location for an extended period of time.

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Answer:

Cu1+ can be written as "Cu+" in Roman numeral notation.

CoCl2 can be written as "CoCl2" in Roman numeral notation.

Roman numeral notation is used to indicate the oxidation state of an element in a compound. The oxidation state is the charge an atom would have if all of the bonding electrons were assigned to the more electronegative atom. The + sign shows that Copper has lost an electron and now has a positive charge.

In the case of CoCl2, the Roman numeral notation is not used since cobalt does not have variable oxidation states and therefor it does not have any change in its charge to indicate.

2,3-Dichloro-5,6-Dicyanobenzoquinone is abbreviation of DDQ.

A stronger oxidant than 1,4-benzoquinone, DDQ (2,3-dichloro-5,6-dicyanobenzoquinone) is employed as a reagent for oxidative couplings, cyclization processes, and the dehydrogenation of hydroaromatic compounds.

What in chemical chemistry is DDQ?

In dry conditions, the powerful oxidizing quinone DDQ is eternally stable. It is frequently used to create aromatic and,-unsaturated carbonyls from organic molecules as well as to convert activated methylene and hydroxy groups into carbonyl compounds.

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Absorbance is a measure of how much light a substance absorbs and is often used by chemists to determine the concentration of a solution.

This is because the absorbance of a substance is directly proportional to its concentration, if the molar absorptivity is known. The molar absorptivity is a property of the substance and is usually provided in literature or can be determined experimentally.

In this case, if the absorbance of a new blue dye solution is 0.96 and the molar absorptivity is known, the concentration of the solution can be calculated using the Beer-Lambert Law (A = ε * b * c). This law states that the absorbance (A) of a solution is equal to the product of the molar absorptivity (ε), the path length (b) of the cuvette, and the concentration (c) of the solution.

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Since the isoelectric point (pI) of the majority of common amino acids is 7.4, the pH is neutral. The balance of acidic and basic groups on an amino acid determines its pI, which is the pH at which the amino acids

The building components of proteins are amino acids. They consist of an alpha carbon atom in the centre, to which bonds have been formed with amino, carboxyl, hydrogen, and a special side chain (R group). There are 20 different kinds of amino acids with distinct R groups that may be integrated into proteins. A broad variety of interactions between amino acids in a protein are made possible by these R groups, which also give amino acids their distinctive characteristics, such as being hydrophobic or hydrophilic. A protein's three-dimensional shape and function are determined by the amino acid sequence of the protein. In the body, proteins carry out tasks including catalysing metabolic processes, reproducing DNA, reacting to stimuli, and transporting chemicals.

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When two items of different temperatures come into touch with one other, energy is transferred from the hotter (higher temperature) object to the colder (lower temperature) object until both objects reach the same temperature.

Conduction occurs when two materials or objects come into direct touch with one another. The warmer object's molecules vibrate quicker than the cooler object's. The molecules that vibrate faster clash with the molecules that vibrate slower. This causes the colder molecules to vibrate faster, warming the item.

This signifies that the substance's constituent material is a third component.

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Answer:

All the chemical reaction take place in cytoplasm.Cell expansion,growth and replication occurs in cytoplasm.

The mass of sulfur dioxide (SO₂) is 64.06 grams, and the mass of sulfur trioxide (SO₃) is 160.12 grams.

To calculate the masses of SO2 and SO3 in this mixture, we need to use the balanced chemical equations for the reactions and the information about the total mass of products. First, we can calculate the number of moles of sulfur that was burned by dividing the mass of the sample by its molar mass:

25,000 g / 32.06 g/mol = 777.7 mol

Next, we can use the balanced equations to determine the stoichiometry of the reactions. From the first equation, we know that 1 mole of sulfur (S) reacts to form 1 mole of sulfur dioxide (SO₂):

1 mol S + 1 mol O₂ → 1 mol SO₂

From the second equation, we know that 2 moles of sulfur (S) reacts to form 2 moles of sulfur trioxide (SO₃):

2 mol S + 3 mol O₂ → 2 mol SO₃

By using the information from the balanced equations and the number of moles of sulfur, we can find the number of moles of SO2 and SO3 that are formed:

SO₂: 1 mol S × (1 mol SO₂ / 1 mol S) = 1 mol SO₂

SO₃: 2 mol S × (2 mol SO₃ / 2 mol S) = 2 mol SO₃

Finally, we can use the number of moles of SO₂ and SO₃ to find the masses of SO₂ and SO₃ in the mixture:

SO₂: 1 mol × (64.06 g/mol) = 64.06 g

SO₃: 2 mol × (80.06 g/mol) = 160.12 g

Therefore, the mass of sulfur dioxide (SO₂) is 64.06 grams, and the mass of sulfur trioxide (SO₃) is 160.12 grams in this mixture.

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Your question seems incomplete, but I suppose the full question was:

"A 25,000 g sample of sulfur is burned. Some of the sulfur reacts to form SO₂: S + O₂ → SO₂ The rest of the sulfur reacts to form SO₃: 2 S + 3 O₂ → 2 SO₃ The total mass of products (SO₂ and SO₃) is 58.723 g. Calculate the masses of SO₂ and SO₃ in this mixture."

In the equation, 4 moles of antimony react with 3 moles of oxygen to form 2 moles of antimony oxide. Therefore, when 20 moles of oxygen are present,

20/3 = 6.66 moles of antimony oxide will be formed.

In the given chemical equation, for every 3 moles of oxygen (O2), 2 moles of antimony oxide (Sb2O3) are produced. Therefore, to determine the number of moles of Sb2O3 that will be formed from 20.0 moles of O2, we can use the conversion factor between moles of O2 and moles of Sb2O3. To do this, we divide the number of moles of O2 by the coefficient of O2 on the reactant side of the equation, which is 3. So 20.0 moles O2 / 3, moles O2/1 mole Sb2O3 = 6.66 moles of Sb2O3 will be formed.

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You should add 0.089 mol of silver fluoride to the 500 ml volumetric flask to get the desired concentration.

To make an aqueous solution of 0.178 M silver fluoride, you need to add a certain amount of silver fluoride to a known volume of water.

Since you want to make a 500 ml solution and the desired concentration is 0.178 M, you can use the formula:

molarity = moles of solute/liters of solution

Rearranging this equation to solve for moles of solute:

moles of solute = molarity x liters of solution

Therefore, to make a 0.178 M solution, you need to add:

moles of solute = (0.178 mol/L) x (0.5 L) = 0.089 mol

So you should add 0.089 mol of silver fluoride to the 500 ml volumetric flask to get the desired concentration.

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3 moles br- ions are present in 1.00 moles of febr3.Br- ions: 3 x 6.0223 = 1.81 x 1024

The number of representative particles in an Avogadro mole of a material is:

1 mole is equal to 6.02 x 10^23 particles.

You may determine how many of each sort of atom there are in a typical particle by looking at a compound's chemical formula. In accordance with the formula FeBr3, one mole of FeBr3 is made up of three moles of bromide (Br-) ions in addition to one mole of iron(III) ions. Consequently, the quantity of Br- ions is

Br- ions: 3 x 6.0223 = 1.81 x 1024

A handy unit of measurement when thinking about atoms and molecules is the mole. Compounds are created when atoms join in modest whole-number ratios. For the purpose of applying mathematical relationships in computations, amounts are represented in moles since atoms of various elements have varying masses.For instance, the ratio of iron(III) ions to bromide ions in FeBr3 is the same as the ratio of iron(III) ions to bromide ions in terms of moles, but it is not the same as the ratio of the masses of the two types of ions.

complete question:How many Br- ions are present in 1.00 moles of FeBr3?a. 1.81E24b. 6.02E23c. 6.02E25d. 12.04E23

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When electric current flows in a straight wire, then it generates magnetic field around the wire. Direction of the magnetic field changes, but the strength of the magnetic field stays the same.

If the current changes direction, then the direction of the magnetic field will also change. This is because the direction of magnetic field is determined by the direction of current flow, and when current flow is reversed, then the direction of the magnetic field will also be reversed.

The strength of the magnetic field will remain the same, assuming that  current remains constant. This is because the strength of magnetic field is determined by the magnitude of the current and not its direction.

So, the direction of the magnetic field changes, but the strength of the magnetic field stays the same.

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Taking into account definition of limiting reactant, if 76.4 grams NH₄Cl and 85 grams Ca(OH)₂ are reacted together NH₄Cl is the limiting reastant.

In first place, the balanced reaction is:

2 NH₄Cl + Ca(OH)₂ → 2 NH₃ + CaCl₂ + 2 H₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

By reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

The limiting reactant is the one that, in a chemical reaction (where there are reactants and products), ends first. If one of the substances runs out, since it is consumed during the process, the reaction will stop because the reactant limits the possibility of the reaction going ahead and therefore also limits the amount of product that is generated by the reaction.

To determine the limiting reagent, it is possible to use a simple rule of three as follows: if by stoichiometry 74 grams of Ca(OH)₂ reacts with 106.9 grams of NH₄Cl, 85 grams of Ca(OH)₂ reacts with how much mass of NH₄Cl?

mass of NH₄Cl= (85 grams of Ca(OH)₂× 106.9 grams of NH₄Cl)÷ 74 grams of Ca(OH)₂

mass of NH₄Cl= 122.79 grams

But 122.79 grams of NH₄Cl are not available, 85 grams are available. Since you have less mass than you need to react with 85 grams of Ca(OH)₂, NH₄Cl will be the limiting reagent.

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