the molar solubility for magnesium hydroxide, mg(oh)2, is 1.6x 104. calculate its ksp.

Answer:

e

Explanation:

Answer:

A      20

B      40

C      Ca

D      10

E       9

F      F

Explanation:

Answer:

Lithosphere plate boundaries are found in that area.

Explanation:

Answer:

C is the right answer

Explanation:

Explanation:Reaction Type

Double Displacement (Metathesis)

Net Ionic Equation

Ba(C2O4) + 2K(IO3) = Ba(IO3)2 + K2(C2O4) might be an ionic equation. Calculate the net ionic equation for Ba(C2O4)(s) + 2K(IO3)(aq) = Ba(IO3)2(aq) + K2(C2O4)(aq).

Answer:

The main component are electrons.

A chemical bond is any attractive interaction that keeps atoms short. This interaction can be directional as the bond between two atoms within a molecule, or non-directional as the electrostatic interaction that keeps the ions of an ion crystal in contact. It can be strong like the two previous examples, or weak as van der Waals interactions that are dipolar in nature.

Many models exist to describe these interactions. For example, the chemical bond between two atoms within a molecule can be described with the Lewis model or with a quantum model, like the theory of molecular orbitals. In both cases, the origin of the interaction is a sharing of electrons between the two partner atoms of the chemical bond.

There are three types of chemical bonds: single bonds, double bonds, and triple bonds. Indeed, the type of chemical bond depends on the number of electrons shared between the bound atoms:

* Simple bonds have 2 shared electrons.

* Double bonds have 4 shared electrons.

* Triple bonds have 6 shared electrons.

This number of electrons shared between the atoms depends on the electronic structure of these atoms and thus on the rules of the byte and the duet.

Answer:

because it is made up of hydrogen

A star not explode if it is undergoing reactions similar to hydrogen bombs because the fusion processes' outward pressure prevents the stars from collapsing. The gravitational pull prevents the stars from bursting from within.

When two atoms collide to create a heavier atom, such as when two hydrogen atoms combine to create one helium atom, this process is known as fusion. The sun is powered by a similar mechanism, which generates vast amounts of energy.

Because of the enormous weight of the gas overhead, the Sun doesn't explode. The pressure caused by all the energy generated is precisely balanced.

The Sun would begin to collapse if the pace of fusion decreased, resulting in less energy being created in the sun's core.

Thus, The gravitational pull prevents the stars from bursting from within.

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Among the options given, the hydrogen atom (H) is not one of the four groups attached to the alpha-carbon.

In an amino acid, the central (alpha) carbon is indeed bonded to four groups. These four groups are:

Amino group (-NH₂): This group consists of a nitrogen atom bonded to two hydrogen atoms. It is called the amino group and gives amino acids their name.

Carboxyl group (-COOH): This group consists of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group (-OH). It is called the carboxyl group and is responsible for the acidic properties of amino acids.

Hydrogen atom (H): A single hydrogen atom is also attached to the central carbon.

Side chain (R group): The fourth group attached to the alpha-carbon is the side chain, also known as the R group. The side chain varies among different amino acids and gives each amino acid its unique properties.

Therefore, among the options given, the hydrogen atom (H) is not one of the four groups attached to the alpha-carbon.

The completed question is given as,

All amino acids share a common structure, a central (alpha) carbon with four groups attached. Which of these is NOT one of the four groups attached to the alpha- carbon?

an R group

an ammonium group (-NH³⁺)

a carboxylate group (-COO)

a hydrogen atom

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Answer:

it moves because the wire is metal and when metal is near a compass it throughs off the direction because metal has its own magnetism.

Explanation:

I hope this helps.

25,137.4 joules of heat energy are required to raise the temperature of 670 g of water from 15.0°C to 24.0°C.

To calculate the joules of heat energy required to raise the temperature of 670 g of water from 15.0°C to 24.0°C, you'll need to use the formula:

Q = mcΔT

where Q represents the heat energy in joules, m is the mass of the water in grams, c is the specific heat capacity of water (4.18 J/g°C), and ΔT is the change in temperature in degrees Celsius.

1. Determine the mass (m): 670 g

2. Determine the specific heat capacity (c): 4.18 J/g°C

3. Calculate the change in temperature (ΔT): 24.0°C - 15.0°C = 9.0°C

Now, plug the values into the formula:

Q = (670 g) × (4.18 J/g°C) × (9.0°C)

Q = 670 × 4.18 × 9

Q = 25,137.4 J

Therefore, 25,137.4 joules of heat energy are required to raise the temperature of 670 g of water from 15.0°C to 24.0°C.

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Algae blooms are most often caused by eutrophication.

Algae blooms are are dense layers of tiny green plants that occur on the surface of lakes and other bodies of water when there is an overabundance of nutrients (primarily phosphorus) on which algae depend.

Algae species tend to proliferate in growth (bloom) in the presence of abundance nutrients. This abundance of nutrients is as a result of a process called eutrophication.

Eutrophication is the ecosystem's response to the addition of artificial or natural nutrients, mainly phosphates, through detergents, fertilizers, or sewage, to an aquatic system.

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Answer:

animal cells would because of the vacuole

The specific gravity of methane is 0.554 and the specific gravity of propane is 1.52.

The specific gravity of a gas can be calculated using the formula:

Molecular Weight of Gas / Molecular Weight of Air = Specific Gravity

For methane:

Molecular weight of methane = 16.04 g/mol

Molecular weight of air = 28.97 g/mol

Specific Gravity = 16.04 g/mol / 28.97 g/mol = 0.554

For propane:

Molecular weight of propane = 44.10 g/mol

Molecular weight of air = 28.97 g/mol

Specific Gravity = 44.10 g/mol / 28.97 g/mol = 1.52

A propane leak is more dangerous than a methane leak because propane is heavier than air, so it sinks and can collect in low-lying areas such as basements and crawl spaces, where it can be ignited by a spark or flame. Methane, on the other hand, is lighter than air and tends to rise, making it less likely to accumulate in dangerous concentrations. Additionally, propane is more explosive than methane, so a propane leak can result in a larger and more destructive explosion.

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the complete question is :

Estimate the methane and propane-specific gravities (gas). 16.04 and 44.10 molecular weights respectively. (In commercial natural gas and propane, the main components are methane and propane; minor amounts of other compounds may be disregarded for this issue.) A propane leak or a methane leak, which is more hazardous? why?

Answer:

24 atoms

Explanation:

4+10+5+5

The reaction of Mg and oxygen (in the air, we have oxygen) is the following:

If we use carbon dioxide (CO2) to react with magnesium oxide (MgO), we can see that this compound would continue to burn. This is because the reactivity series of Mg is above the reactivity of carbon and this compound can take the oxygen from carbon dioxide to react.

Answer: 4.9 + 3.822 = 8.7

Explanation: Hope this helps

Answer: 8.722

Explanation:

When using the ideal gas equation, if the numerical value of R is 0.08206, then the units of the gas constant (R) are L atm/mol K.

The ideal gas equation is PV=nRT, where P represents pressure, V is volume, n is the number of moles of the gas, R is the gas constant, and T is the temperature in Kelvin.

Let's break down the units of each term in the ideal gas equation:

P: Pressure is typically measured in units of atmospheres (atm) in this context.

V: Volume is commonly measured in liters (L).

n: The number of moles (n) is a unitless quantity representing the amount of substance.

T: Temperature is measured in Kelvin (K).

By substituting the units into the ideal gas equation, we have:

(L atm) = (mol) × (L atm/mol K) × (K)

Since both sides of the equation must have the same units, the units of the gas constant (R) are L atm/mol K.

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Answer:

9.05L

Explanation:

Answer:

Hyperkalemia

Explanation:

The condition of acidosis can also cause Hyperkalemia because the higher H concentration diffuses to the ICF, pushing K towards the ECF.

We would obtain 1.8 grams of the product para-acetamidobenzenesulfonamide if the reaction had a 60% theoretical yield and we started with 3.0 grams of the reactant n-acetylsulfanilyl chloride.

To calculate the theoretical yield of the product para-acetamidobenzenesulfonamide, we need to know the reaction stoichiometry, which is not provided.

However, assuming that the reaction has a 60% theoretical yield and we started with 3.0 grams of the reactant n-acetylsulfanilyl chloride, we can calculate the theoretical yield of the product using the following equation:

Theoretical yield (g) = 3.0 g x (60%) = 1.8 g

Therefore, we would obtain 1.8 grams of the product para-acetamidobenzenesulfonamide if the reaction had a 60% theoretical yield and we started with 3.0 grams of the reactant n-acetylsulfanilyl chloride.

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The pH of a 0.0000001 Molar HCl solution is 7.

Since HCl is a strong acid, it dissociates completely in water to form H+ and Cl- ions.

The concentration of H+ ions in the solution will be equal to the concentration of the HCl, which is 0.0000001 Molar.

Using the pH scale, we can calculate the pH of this solution as follows:pH = -log [H+]pH = -log 0.0000001pH = 7

The pH of the solution is 7, which is neutral.

The pH of a 0.0450 Molar Ba(OH)2 solution is 12.

Since Ba(OH)2 is a strong base, it dissociates completely in water to form Ba2+ and OH- ions.

The concentration of OH- ions in the solution will be twice the concentration of Ba(OH)2, which is 0.0450 Molar.

Using the pH scale, we can calculate the pH of this solution as follows:pOH = -log [OH-]pOH = -log (2 x 0.0450)pOH = 1.34pH + pOH = 14pH = 14 - 1.34pH = 12.66

The pH of the solution is 12.66, which is basic.

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Answer:

Frog, shark, snake, Lion, tortoise, salamander, ostrich

Answer:

The person above me is correct it is frog, shark, snake, Lion, tortoise, salamander, ostrich

Explanation:

The molar mass of sodium phosphate is 163.9g/mole .So the correct option is fourth one.

A compound's molar mass is calculated by dividing its weight by the number of moles it contains. The unit of grams per mole, or g/mol, is used to express the molar mass of a substance or element.

So, the molar mass  of sodium phosphate ,Na₃PO₄ will be,

3×23 + 1× 31+ 4× 16

= 164g/mole

The inorganic substance with the chemical formula ,Na₃PO₄  is trisodium phosphate. It is an alkaline solution that is a white, granular or crystalline solid that is extremely soluble in water.

TSP is employed as a degreaser, lubricant, food additive, cleaning agent, builder, and stain remover.

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ANSWER

The volume is 2666.38L

EXPLANATION

Given information

The concentration (Molarity ) of H2SO4 is 2.50 M

The mass of NaOH is 75.0g

To find the milliliters of 2.50M of H2SO4, follow the steps below

Step 1: Write a balanced equation for the reaction

From the above-balanced reaction, you will see that 1 mole of the acid reacts with 2 moles of the base to give 1 mole of the salt and 1 mole of water

Step 2: Find the mole of sodium hydroxide using the below formula

Recall that, the molar mass of NaOH is 39.997 g/mol

From the calculations, you will see that the mole of NaOH is 1.875 moles

Step 3: Calculate the mole of sulfuric acid using a stoichiometry ratiO

1 mole of H2SO4 is equivalent to 2 moles of NaOH

Let x represent the number of moles of H2SO4

Mathematically,

Hence, the mole of H2SO4 is 0.9376 moles

Step 4: Find the volume of the solution using the below formula

Where,

n = is the number of moles

C = concentration in molarity

V = Volume of the solution in Liters

Aluminum ion has a charge of 3+, Al³⁺, and sulfate is SO₄²⁻, so the compound aluminum sulfate has to have a number of aluminum and sulfate such that the final charge is zero, so the proportion on aluminum sulfate is:

That way we have 6+ and 6-, so neutral compound.

This means that for 1 mol of aluminum sulfate, we have 2 moles of aluminum ion. The molar concentration is the number of moles of solute divided by the volume of solution, so it is directly proportional to the number of moles.

So, we can use a rule of three as follows:

aluminum ion --- aluminum sulfate

2 --- 1

x --- 0.646 M

So:

So, the concentration of aluminum ion in this solution is 1.292 M.

The concentration progressively increased as the water from the solution evaporated. This is because the amount in the flask would stay the same but the amount of water would decrease.

The atomic weight of sodium chloride (NaCl) is 58.44, which equals 58.44 grammes. If you mix 1 litre of finished solution with 58.44g of NaCl.

One gramme of solute is present in a 100 milliliter final volume one percent solution. For instance, a 1% NaCl solution is made by dissolving 1 g of sodium chloride in 100 ml of distilled water.

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To solve this problem, let's use the definition for molarity:

Replacing the values of the problem:

Now, to find the mass, we multiply by the molecular weight of NaCl. (Which is about 58.44g/mol)

The answer is approximately 22.2g of NaCl

Answer:

5 would be the large intestine

Explanation: