Vanadium (V) phosphate

Cobalt(II) sulfide
Beryllium nitrate
Silver sulfate
Manganese(IV) oxide
Manganese(II) fluoride
Carbonic acid
Carbon dioxide
name them

Answer:

Hi thx for the points

Explanation:

The bleach solution has a molarity of 0.0637 M.

Sodium hypochlorite is an inorganic chemical compound with the formula NaOCl (or NaClO), consisting of a sodium cation (Na+) and a hypochlorite anion (OCl or ClO). It is usually referred to in diluted solutions as (chlorine) bleach. It can also be thought of as hypochlorous acid's sodium salt.

Converting the mass of bleach (NaOCl) to moles is the first step.

moles of NaOCl = mass of NaOCl / molar mass of NaOCl

The molar mass of NaOCl is approximately 74.44 g/mol (22.99 g/mol for Na, 15.99 g/mol for O, and 35.45 g/mol for Cl).

moles of NaOCl = 9.50 g / 74.44 g/mol

moles of NaOCl = 0.1274 mol

Next, we may determine the molarity (M) of the bleach solution using the notion of molarity:

Molarity = moles of solute / liters of solution

The solution's volume is supplied to us in millilitres, so we must convert it to litres:

2,000 ml = 2,000 / 1,000 = 2.00 L

Molarity = 0.1274 mol / 2.00 L

Molarity = 0.0637 M

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Answer:

4.90

Explanation:

10- 5.0

A nutrient is a substance used by an organism to survive, grow, and reproduce. The requirement for dietary nutrient intake applies to animals, plants, fungi, and protists. Nutrients can be incorporated into cells for metabolic purposes or excreted by cells to create non-cellular structures, such as hair, scales, feathers, or exoskeletons. Some nutrients can be metabolically converted to smaller molecules in the process of releasing energy, such as for carbohydrates, lipids, proteins, and fermentation products (ethanol or vinegar), leading to end-products of water and carbon dioxide. All organisms require water. Essential nutrients for animals are the energy sources, some of the amino acids that are combined to create proteins, a subset of fatty acids, vitamins and certain minerals. Plants require more diverse minerals absorbed through roots, plus carbon dioxide and oxygen absorbed through leaves. Fungi live on dead or living organic matter and meet nutrient needs from their host.

Answer:

It is going to be binary

Explanation:

Answer:

A

Explanation:

bc

Answer:

When a substance undergoes changes in its chemical composition or combines with another substance to form a new substance is referred to as chemical change. In contrast, physical change is defined as the change in appearance or state of matter and not the chemical composition of the substance.

Explanation:

When a clear liquid is boiled or heated, the kinetic energy of the molecules increases, and the evaporation of the liquid takes place faster. For example, evaporation is a type of physical change, in which the liquid is heated to form bubbles or vapors. These vapors rise in the air and decrease the volume of the liquid. In this process, the liquid has only changed its state of matter (liquid to gas) and not the chemical composition. Thus, there is no chemical change taking place in the heating of water and only physical change is taking place.

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The Correct expression is :

Answer:

The correct answer is -

takes place in the Sun

plays a role in the production of essentially all elements heavier than helium

releases large amounts of energy

Explanation:

Fusion reaction takes place when two or more small atomic nuclei come in close proximation for a longer time so the nuclear force pulling them together and form into heavier molecules than helium and releases a huge amount of energy by this process.

A great example of this fusion reaction is the sun where nuclear fusion takes place inside the core of the sun and result in a huge amount of release as it is an exothermic reaction.

Answer:

Explanation

EDGE2021

The median reaction at the second end point in the HCl and NaOH titration is: HCl + NaOH → NaCl + H2O

In a titration between hydrochloric acid (HCl) and sodium hydroxide (NaOH), the reaction involved is the neutralization reaction between an acid and a base. The balanced equation for this reaction is:

HCl + NaOH → NaCl + H2O

In this reaction, one mole of HCl reacts with one mole of NaOH to form one mole of NaCl (sodium chloride) and one mole of water.

During the titration process, the reaction occurs gradually as the base is added to the acid solution.

The first end point of the titration is reached when the moles of HCl and NaOH are stoichiometrically equivalent, meaning they react in a 1:1 ratio. At this point, all the HCl has been neutralized by the NaOH, and no excess of either reagent remains.

However, if the titration is continued beyond the first end point, the reaction between HCl and NaOH can still occur, albeit in a different ratio.

The second end point refers to the point where the moles of NaOH added exceed the stoichiometrically required amount to neutralize the HCl completely. As a result, any excess NaOH added after the second end point reacts with the excess HCl in a 1:1 ratio.

Therefore, the median reaction at the second end point in the HCl and NaOH titration is:

HCl + NaOH → NaCl + H2O

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The following ionic compounds are mentioned below.

What is compound ?

A compound combines one or more additional substances to form a new product. The combination of two substances or elements is equal to the mass ratio for making that product. It is attached firmly, and they have equal in all ways to form a combination. The elements both are bonded together. Each compound has its chemical structure; if it breaks, it can either split into two atoms or molecules or in a single. Different types of compounds are present.

What is ionic compound ?

An ion with a positive charge is a cation, whereas one with a negative charge is an anion.

a) KCN = Potassium cyanide

b) NaBrO2 = Sodium bromite

c) Sr(OH)2 = Strontium hydroxide

d) CoTe = Cobalt telluride

e) Fe2(CO3)3 = Iron (III) Carbonate

f) Cr(NO3)3 = Chromium(III) nitrate

g) (NH4)2SO3 = Ammonium Sulfite

h) NaH2PO4 = Sodium dihydrogen phosphate

i) KMnO4 = Potassium permanganate

j) Ag2Cr2O7 = Silver dichromate

Therefore, The following ionic compounds are mentioned above.

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Answer:

B

Explanation:

A metathesis reaction is a reaction in which cations and anions change partners.

A general equation for a metathesis is

AX+CY→AY+CX, where A and C are cations, and X and Y are anions.

There are three possible products of a metathesis reaction.

A. an insoluble (solid) precipitate

B. water (from neutralization reaction)

C. an insoluble gas that bubbles out of solution

Metathesis reactions are also called double replacement reactions and double displacement reactions.

Answer:

sharp clever bright

Explanation:

s

Answer:

will you friend me please

The molar mass of MgCrO4 is approximately 140.30 g/mol.

To determine the molar mass of MgCrO4 (magnesium chromate), we need to calculate the sum of the atomic masses of each individual element in the compound.

The chemical formula MgCrO4 indicates that the compound consists of one magnesium atom (Mg), one chromium atom (Cr), and four oxygen atoms (O).

The atomic masses of the elements can be found on the periodic table:

Magnesium (Mg) has an atomic mass of approximately 24.31 g/mol.

Chromium (Cr) has an atomic mass of around 51.99 g/mol.

Oxygen (O) has an atomic mass of about 16.00 g/mol.

Now, we can calculate the molar mass of MgCrO4 by summing up the atomic masses of each element, considering the respective subscripts:

Molar mass = (Atomic mass of Mg) + (Atomic mass of Cr) + 4 × (Atomic mass of O)

Molar mass = (24.31 g/mol) + (51.99 g/mol) + 4 × (16.00 g/mol)

Molar mass = 24.31 g/mol + 51.99 g/mol + 64.00 g/mol

Molar mass ≈ 140.30 g/mol

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Exoplanets are usually gigantic, fireballs that are close to the sun. Therefore, the correct option is option B.

Any planet outside of our solar system is an exoplanet. The majority of exoplanets orbit other stars, while rogue planets—free-floating exoplanets that are unattached to any star—orbit the galactic centre.

The majority of the exoplanets found so far are in the Milky Way, which is a rather tiny area of our galaxy. The Kepler Space Telescope of NASA has revealed that the galaxy has more planets than stars. Exoplanets are usually gigantic, fireballs that are close to the sun.

Therefore, the correct option is option B.

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The compound that has a functional group containing two oxygen atoms is peroxide. In addition to peroxides, there are other compounds that contain functional groups with two oxygen atoms. These include carboxylic acids and esters.

Peroxide compounds, such as hydrogen peroxide (H₂O₂) or organic peroxides, have a functional group (-O-O-) where two oxygen atoms are bonded together. This group is responsible for the characteristic properties and reactivity of peroxides.

Carboxylic acids: Carboxylic acids have the functional group -COOH, which consists of a carbonyl group (C=O) and a hydroxyl group (-OH) bonded to the same carbon atom. While carboxylic acids have one oxygen atom from the carbonyl group, the hydroxyl group provides the second oxygen atom.

Esters: Esters have the functional group -COO-, which consists of a carbonyl group (C=O) and an oxygen atom (-O-) bonded to the same carbon atom. This arrangement gives esters two oxygen atoms within their functional group.

Hence, the compounds with functional groups containing two oxygen atoms include peroxides, carboxylic acids, and esters.

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Answer:1

Explanation:i know cuz I got it right

NaBr is classified as a compound because sodium and bromine are chemically combined in a fixed proportion.

Explanation:

So, from this, we can conclude that NaBr is classified as a compound because sodium and bromine are chemically combined in a fixed proportion.

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Answer:

yaaaaa babdbabaaaa lolll

Explanation:

To identify the limiting reactant, excess reactant, and theoretical yield, we first need to determine the amount of each reactant in moles.

Using the molar masses of Ca and P:

Number of moles of Ca = 17.0 g / 40.08 g/mol = 0.424 mol

Number of moles of P = 18.0 g / 30.97 g/mol = 0.581 mol

Next, we need to determine the stoichiometric ratio of the reactants. From the balanced chemical equation, we see that the ratio of Ca to P is 3:2.

3 Ca + 2 P → Ca3P2

To use the stoichiometric ratio to determine the limiting reactant, we need to compare the actual ratio of the reactants to the stoichiometric ratio.

Actual ratio of Ca to P = (0.424 mol Ca) / (0.581 mol P) ≈ 0.73

Stoichiometric ratio of Ca to P = 3/2 = 1.5

Since the actual ratio is greater than the stoichiometric ratio, Ca is the excess reactant and P is the limiting reactant.

To find the theoretical yield of Ca3P2, we need to use the stoichiometric ratio to determine how many moles of Ca3P2 can be produced from the limiting reactant (P).

From the balanced chemical equation, we see that 2 moles of P react with 3 moles of Ca to produce 1 mole of Ca3P2.

So, the number of moles of Ca3P2 that can be produced from 0.581 mol of P is:

(0.581 mol P) × (1 mol Ca3P2 / 2 mol P) = 0.2905 mol Ca3P2

Therefore, the theoretical yield of Ca3P2 is 0.2905 mol.

Answer:

id say c though im not sure

Explanation:

Cooling towers are primarily used for heating, ventilation, and air conditioning (HVAC) and industrial purposes.

Answer:

c

Explanation:

i had this on my test

Answer:

The second period starts with Lithium and Beryllium which have 3 and 4 electrons and hence the last electrons enter the level 2s and they have an electronic configuration of 1s22s1 and 1s22s2

Answer:

yes!!!!!!!!!!

Explanation:

now go learn    son

The sample containing 7.1 × 10^19 molecules of H2O corresponds to approximately 1.18 × 10^(-4) moles of H2O.

To determine the number of moles of H2O in a sample containing 7.1 × 10^19 molecules, we need to use Avogadro's number, which states that 1 mole of any substance contains 6.022 × 10^23 molecules.

Given that there are 7.1 × 10^19 molecules of H2O in the sample, we can calculate the number of moles using the following formula:

Moles = Number of molecules / Avogadro's number

Moles = 7.1 × 10^19 / 6.022 × 10^23

Moles ≈ 1.18 × 10^(-4) moles

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Answer:

Orbiter

Explanation:

Space shuttles are made out of three main parts: rocket boosters, a fuel tank, and orbiter (the part that resembles an airplane

A brewed black tea generally has 81.30 milligrams of TA per 100 mL of water (which is to say it is at equilibrium). If a tea bag is steeped in 150. mL of water, 54.2 is the concentration of TA at equilibrium.

A substance's concentration is the amount of solute present in a given amount of solution. Molarity is the number of moles of solute in one liter of solution and is used to express concentrations.

Given:

M₁ = 81.30 milligrams

M₂ = ?

V₁ = 100ml

V₂ = 150ml

M₁V₁ = M₂V₂

By substituting given values in this equation and we get,

81.30 × 100 = M₂ × 150

M₂ = 81.30 × 100 / 150

= 54.2

Thus,  54.2 is the concentration of TA at equilibrium.

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Answer:

Plants make sugars in the presence of sunlight in a process called photosynthesis

Photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars. In a process driven by light energy, glucose molecules (or other sugars) are constructed from water and carbon dioxide, and oxygen is released as a byproduct.

Explanation:

The energy input required for photosynthesis comes from sunlight. Option 3 is correct.

Green Plants and certain other organisms make their food in the presence of sunlight. This process is called as photosynthesis

Photosynthesis is defined as the process in which light energy is converted into chemical energy in the form of sugars.

here, oxygen is produced as a byproduct whereas carbon dioxide and water gets converted into glucose (or other sugars).

During photosynthesis, light energy is captured and used by green plants to convert water, carbon dioxide, and minerals into oxygen- and energy-rich organic molecules.

Photosynthesis takes place in chloroplasts of plants, which are found in the leaves. Inside the chloroplast, thylakoids are present where the chlorophyll absorbs the light to create their required  energy .

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Reverse the sign of the second equation, change the sign of the enthalpy and add. Option B

The enthalpy could be obtained by the use of the Hess law of constant heat summation. As such, we have a number steps and it is possible for use to obtain the enthalpy of the final reaction as shown by a series of manipulations.

By inspection, we can see that, if we desire to obtain the enthalpy of the final reaction as shown, then we have to reverse the sign of the second equation, change the sign of the enthalpy and add. Option B

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Answer:

ok, here is your answer

Explanation:

AI-generated answer

To find the mass of oxygen that reacted, we need to use the Law of Conservation of Mass, which states that in a chemical reaction, the mass of the reactants equals the mass of the products.

First, we need to find the number of moles of hydrogen that reacted:

Molar mass of hydrogen (H₂) = 2.016 g/mol

Number of moles of H₂ = mass/molar mass = 46.2 g/2.016 g/mol = 22.92 mol

Next, we need to use the balanced chemical equation to find the number of moles of water produced:

hydrogen + oxygen → water

2H₂ + O₂ → 2H₂O

From the equation, we can see that for every 2 moles of H₂, 1 mole of O₂ is required to produce 2 moles of H₂O. Therefore, the number of moles of O₂ required to produce 22.92 moles of H₂O is:

Number of moles of O₂ = 1/2 x 22.92 mol = 11.46 mol

Finally, we can find the mass of oxygen that reacted by using its molar mass:

Molar mass of oxygen (O₂) = 32.00 g/mol

Mass of oxygen = number of moles x molar mass = 11.46 mol x 32.00 g/mol = 366.72 g

Therefore, the mass of oxygen that reacted is 366.72 g.

Answer: The answer is incus