Determine the mass in grams of 3.07 moles of glucose (C6H12O6)

Answer: the pH would decrease

Explanation:

bases are alkaline which means that thir pH would in the category between 14 and 8

Water is neutral which meand that it's pH is at 7

so if you add water to a base then the concentration the pH would eventually decrease towards a 7

hope it helps✨✨

We need 117.76 mL volume of the aqueous solution of 0.124 M silver fluoride to obtain 17.8 grams of the salt.

What is volume?

To solve this problem, we can use the formula:

mass = molarity x volume x molar mass

where mass is the mass of the solute (in grams), molarity is the concentration of the solution (in moles per liter), volume is the volume of the solution (in liters), and molar mass is the mass of one mole of the solute (in grams per mole).

First, we need to calculate the molar mass of silver fluoride (AgF):

AgF = 1 x 107.87 + 1 x 18.998 = 126.868 g/mol

Next, we can rearrange the formula above to solve for volume:

volume = mass / (molarity x molar mass)

Substituting the given values:

volume = 17.8 g / (0.124 mol/L x 126.868 g/mol)

volume = 117.76 mL

Therefore, we need 117.76 mL of the aqueous solution of 0.124 M silver fluoride to obtain 17.8 grams of the salt.

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Complete question is: 117.76 milliliters of an aqueous solution of 0.124 M silver fluoride is needed to obtain 17.8 grams of the salt.

The desired reaction is 2Al(s) + 3CO2 from Al2O3(s) + 3CO(g) (g) The reactions include 2 Al(s), 3/2 O2(g), and Al2O3(s), with H = 1675.7kJ. ————————— (1) CO(g) = CO2 + 1/2 O2(g) (g).

As a result, the enthalpies of a reactants and products are added together, and the result is used to compute the enthalpy of a reaction. This endothermic process generates and absorbs environmental heat if H is positive. This reaction is exothermic so emits heat into the environment if H is negative.

A negative H indicates that heat is transferred from the a system towards its surroundings, whereas a positive H indicates that heat is transferred from the surroundings into the system. An enthalpy of reaction (Hrxn) for a chemical reaction is the difference of enthalpy between the products and reactants; Hrxn is measured in kilojoules per mole.

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a.   The volume of 8.00 g of O2 at STP is 5.90 L.

b.  The volume of 3.50 g of CO at STP is 2.95 L.

c.  The volume of 0.0170 g of H2S at STP is 11.0 mL.

d. The volume of 2.25 x 10^5 kg of NH3 at STP is  302.7 m3.

a.

PV = nRT

n = m/MW

n = 8.00 g / 32 g/mol = 0.25 mol

V = nRT/P

V = (0.25 mol) (0.0821 L atm/(mol K)) (273 K) / (1 atm)

V = 5.90 L

b.

n = m/MW

n = 3.50 g / 28 g/mol = 0.125 mol

solve for V:

V = nRT/P

V = (0.125 mol) (0.0821 L atm/(mol K)) (273 K) / (1 atm)

V = 2.95 L

the volume of 3.50 g of CO at STP is 2.95 L.

c.

n = m/MW

n = 0.0170 g / 34 g/mol = 0.0005 mol

solving  for V:

V = nRT/P

V = (0.0005 mol) (0.0821 L atm/(mol K)) (273 K) / (1 atm)

V = 0.011 L or 11.0 mL

The volume of 0.0170 g of H2S at STP is 11.0 mL.

d.

n = m/MW

n = 2.25 x 10^5 kg / 17 g/mol / 1000 g/kg = 13,235 mol

V = nRT/P

V = (13,235 mol) (0.0821 L atm/(mol K)) (273 K) / (1 atm)

V = 302,720 L or 302.7 m3

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Water movement has caused this land to erode because there is no protection from strong waves.

Grand Strand's central part is not protected by barrier island, meaning it is more exposed to the water movement, which can cause strong waves to erode the land. This erosive action leads to the shoreline being worn away, or having sediment removed from it.The movement of water is an important natural process that is necessary for the health and stability of our environment. It is responsible for the circulation of water between the atmosphere, land, and ocean, and for the transport of energy, nutrients, and organic matter.

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complete question:Use the example to answer the question. In South Carolina, there is an area of shoreline called Grand Strand. Its central part is not protected by barrier islands.

Which of the following could you infer about the impact of water movement on this area? (1 point) Responses

a.Water movement has caused longshore currents to erode the sediment from one end of this shoreline.

b.Water movement has caused a build up of various inlets to form a combination of tides and currents.

c.Water movement has caused this land to erode because there is no protection from strong waves.

d.Water movement has caused strong waves to build the shoreline up through the process of deposition.

The reaction between sulfur dioxide and potassium permanganate in the presence of KOH produces manganese dioxide. Using stoichiometry and the given mass of manganese dioxide (1.74 g), the mass of KOH can be calculated to be 3.16 g.

Potassium permanganate is widely used as a disinfectant and oxidizing agent in various industries. It is also used in water treatment, as a laboratory reagent, and in the manufacture of chemical compounds.

In the presence of KOH, sulfur dioxide reduces permanganate ions to manganese dioxide. This reaction proceeds through a series of intermediate steps involving the formation of manganese(IV) oxide and manganese(III) oxide.

This reaction's precise mechanism is intricate and requires numerous phases.

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I hope the answer you are looking for is 5.51L

sorry if I'm wrong

Protons are the positively charged particles found in the nucleus of an atom. In terms of their magnetic properties, protons can be classified into two categories: equivalent and non-equivalent protons.

Equivalent protons are protons that have the same chemical environment in a molecule. This means that they experience the same local electronic and magnetic environment, and as a result, they produce the same NMR signal. For example, in a molecule of ethyl alcohol (CH3CH2OH), the two methyl (CH3) groups are equivalent because they are attached to the same carbon and are surrounded by the same atoms.

Non-equivalent protons, on the other hand, are protons that have different chemical environments in a molecule. This means that they experience different local electronic and magnetic environments, and as a result, they produce different NMR signals. For example, in a molecule of acetone (CH3COCH3), the three methyl (CH3) groups are non-equivalent because they are attached to different carbons and are surrounded by different atoms.

The distinction between equivalent and non-equivalent protons is important in NMR spectroscopy, as it allows chemists to distinguish between different types of protons in a molecule and determine their relative abundance and position in the molecule.

The balanced chemical equation for the reaction between potassium hydroxide (KOH) and potassium chloride (KCl) is:

KOH + HCl → KCl + H2O

it can be seen that for every one mole of potassium hydroxide that reacts, one mole of potassium chloride is produced.

Therefore, if 3 moles of potassium hydroxide react completely, then 3 moles of potassium chloride will be produced. This is because the mole ratio of potassium hydroxide to potassium chloride is 1:1.

Thus, the answer is 3 moles of potassium chloride.

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3 Cu + 8HNO3 → 3 Cu(NO3)2 + 2 NO + 4 H2O

n(HNO3)=6.3mol

unknown/known=4/8=1/2

n(H2O)=n(HNO3)/2=3.15mol

m(H2O)=nxM=3.15x(1+1+16)=56.7g

Let me know if its wrong

The change in enthalpy for the reaction is -7.57 × 10^4 J/mol. This negative value indicates that the reaction is exothermic, meaning it releases heat to the surroundings.

To calculate the change in enthalpy, we need to use the equation:

ΔH = -q / n

where ΔH is the change in enthalpy, q is the heat absorbed or released by the reaction, and n is the number of moles of limiting reactant.

First, we need to determine the limiting reactant. This can be done by comparing the number of moles of each reactant:

moles of AgNO3 = (23 mL) x (0.100 mol/L) = 0.0023 mol

moles of HCl = (27 mL) x (0.1000 mol/L) = 0.0027 mol

Since AgNO3 has a smaller number of moles, it is the limiting reactant.

Next, we need to calculate the heat absorbed or released by the reaction. We can do this using the equation:

q = m × c × ΔT

where q is the heat absorbed or released, m is the mass of the solution, c is the specific heat capacity of the solution, and ΔT is the temperature change.

Assuming the specific heat capacity of the solution is 4.18 J/(g·K) and the density of the solution is 1.00 g/mL, we can calculate the mass of the solution:

mass of solution = (23 mL + 27 mL) × (1.00 g/mL) = 50 g

Substituting the values, we get:

q = (50 g) × (4.18 J/(g·K)) × (24.62°C - 23.81°C) = 174.5 J

Finally, we can calculate the change in enthalpy using the equation:

ΔH = -q / n

ΔH = -(174.5 J) / (0.0023 mol) = -7.57 × 10^4 J/mol

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The right answer is capillaries that metabolites like salts and food molecules are exchanged in capillaries together with waste products, oxygen, and carbon dioxide.

In the capillaries, waste, nutrients, and gases are delivered from the blood to the tissue.  Little blood arteries called capillaries create networks surrounding body cells by branching off from arterioles.

It is supplied to the blood during gas exchange from the lungs. Both the lungs and blood exchange carbon dioxide at the same time. The capillaries, a network of tiny blood veins found in the walls of the alveoli, are where this occurs in the lungs in between the individual alveoli.

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If two forces are acting in the same direction, their sum provides the net force.

Two forces combine when they move in the same direction. When two forces engage in opposition to one another, the lesser force is subtracted from the larger force to form the combined force. The direction of the larger original force is the direction of the generated force (resultant).

Two equal but opposing forces acting on an item will cancel each other out, leaving a net force of zero and no movement. the two forces added together.

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2.29 moles of boron trifluoride contain 1.38  10²⁴ atoms of boron.

One boron atom and three fluorine atoms make up the trigonal planar molecule known as boron trifluoride.

The atomic masses of boron (B) and fluorine (F), which are 10.81 g/mol and 18.99 g/mol respectively, may be added to determine the molar mass of boron trifluoride (BF3).

Molar mass of BF3 = (1 × molar mass of B) + (3 × molar mass of F)

Molar mass of BF3 = (1 × 10.81 g/mol) + (3 × 18.99 g/mol)

Molar mass of BF3 = 67.81 g/mol

Now we can calculate the number of moles of BF3 using its given mass:

Mass of BF3 / molar mass of BF3 equals moles of BF3.

moles of BF3 = 2.29 moles

1 mole of BF3 contains 1 mole of B

1 mole of B contains Avogadro's number (6.02 × 10²³) atoms of B

Therefore, the number of atoms of boron in 2.29 moles of BF3 is:

2.29 moles of BF3 x (1 mole of B / 1 mole of BF3) x (6.02 × 10²³ atoms of B / 1 mole of B) = 1.38 × 10²⁴ atoms of B.

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The total volume of the solution is 89.6 milliliters. The percentage of isopropanol is 76.4% (v/v), so 76.4% of the total volume is isopropanol.

Isopropanol, also known as isopropyl alcohol, is a colorless, flammable liquid with a strong odor. Isopropanol is the simplest example of a secondary alcohol, and is frequently used as a cleaning agent and disinfectant in many industries. It is also used in the production of acetone.

Rubbing alcohol, which is also known as isopropyl alcohol, is a clear liquid chemical compound. It is used as a topical antiseptic because it has a strong disinfectant and antibacterial action. Rubbing alcohol is also used as an fuel additive in automobiles, as a cleaning solvent in industry, and as a solvent in chemical reactions. Additionally, it can be used as a disinfectant for medical and cosmetic purposes, including cleansing wounds and preventing infection.

To calculate the amount of isopropanol, we must multiply 89.6 milliliters by 76.4%. 89.6 milliliters x 0.764 = 68.6064 milliliters of isopropanol Therefore, there are 68.6064 milliliters of isopropanol in a 89.6 mL sample of the rubbing alcohol solution.

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The valence electrons of a crystal that is an excellent conductor are typically free to move throughout the crystal lattice.

This is because the crystal has a metallic bond, which is a type of chemical bond that occurs between atoms of metallic elements. In a metallic bond, valence electrons are delocalized and can move freely throughout the crystal structure, leading to the excellent conductivity of metals.

In contrast, materials with ionic or covalent bonds have electrons that are tightly bound to individual atoms and are not free to move throughout the crystal lattice. As a result, these materials are typically poor conductors of electricity.

Therefore, the valence electrons in a crystal that is an excellent conductor are delocalized and free to move, allowing the crystal to conduct electricity efficiently.

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In the periodic table, strontium (Sr) and calcium (Ca) both belong to Group 2A, sometimes referred to as the alkaline earth metals.

After the disaster, radioactive substances were primarily spread by contaminated rain on open surfaces like lawns, parks, roadways, and building roofs. Due to the effects of wind, rain, traffic, street washing, and cleanup since then, there is less surface contamination in metropolitan areas.

At least 5% of the radioactive reactor core was discharged into the atmosphere following the steam explosion and fires.

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The true statement  for the quantum mechanical atomic model is that Electrons give off electromagnetic radiation when they jump from a high to a low energy level.

Option c is correct.

The quantum mechanical atomic model, also known as the wave mechanical model, describes the behavior of electrons in atoms as waves.

This model described that only electrons can exist only in certain discrete energy levels around the nucleus. When an electron absorbs energy, it moves to a higher energy level.

In other words, when it loses energy, it moves to a lower energy level.

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The calculated enthalpy of the reaction of the salt is 44.064 kJ/mol.

To solve this problem, we can use the formula:

q = m x c x ∆T

where q is the heat absorbed or released, m is the mass of the solution, c is the specific heat capacity of water (4.184 J/g ˚C), and ∆T is the change in temperature. We can then use the heat absorbed to calculate the enthalpy change of the reaction using the formula:

∆H = q / n

where n is the number of moles of the salt.

First, let's calculate the mass of the water:

m = 49.83 g

Next, let's calculate the change in temperature:

∆T = 31.4˚C - 25.2˚C = 6.2˚C

Now, let's calculate the heat absorbed by the water:

q = m x c x ∆T

q = 49.83 g x 4.184 J/g ˚C x 6.2˚C

q = 1304.4 J

Since the calorimeter constant is given as 37.4 J/˚C, we need to adjust for the heat absorbed by the calorimeter:

q' = q + (calorimeter constant x ∆T)

q' = 1304.4 J + (37.4 J/˚C x 6.2˚C)

q' = 1519.88 J

Next, let's calculate the number of moles of the salt:

n = 0.03450 mol

Finally, let's calculate the enthalpy change of the reaction:

∆H = q' / n

∆H = 1519.88 J / 0.03450 mol

∆H = 44,064 J/mol

To convert the answer to kJ/mol, we divide by 1000:

∆H = 44.064 kJ/mol

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To calculate the volume of 0.300M solution that contains 1.5g of the solute, we need to use the following formula:

moles of solute = mass of solute / molar mass of solute

moles of solute = (1.5g) / (1 x H + 1 x S + 3 x O) g/mol

moles of solute = (1.5g) / (1 + 32 + 3x16) g/mol

moles of solute = (1.5g) / 98 g/mol

moles of solute = 0.015306 moles

Now, we can use the following formula to calculate the volume of the solution:

moles of solute = molarity x volume (in liters)

0.015306 moles = 0.300 M x volume (in liters)

volume (in liters) = 0.015306 moles / 0.300 M

volume (in liters) = 0.05102 L

Finally, we can convert the volume from liters to milliliters (mL):

volume (in mL) = 0.05102 L x 1000 mL/L

volume (in mL) = 51.02 mL

Therefore, 51.02 mL of 0.300M solution would contain 1.5g of solute.

The answer will be option A.

Things and objects are essentially different types of entities ontologically,Contrary to popular belief, merging specifics does not make an item identical.

Things have evolved.elements but not things. But objects are not onto logically harmless, whereas things are.anything is when moving.It is claimed to be moving.

An incoming jet, a leaf rustling in the breeze, or fluid trickling from such a hose could all be the source of the noise. Even the school you attend is connected to the planet Earth.

The formula for determining a substance's specific heat capacity is [tex]C= \frac{Q}{mT}[/tex]. [tex]Q[/tex] represents the energy [tex]T[/tex] stands for temperature shift and addition.

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A wire has a conductivity of 0.15 mho because because a chemical reaction is a procedure that causes one group of chemical components to change into another.

The total mass of the reactants and products are equal in all chemical reactions. The total number and kinds of atoms in the reactants and the total number and kinds of atoms in the products are equal in all chemical reactions.

Breaking chemical bonds between reactant molecules (particles) and creating new bonds between atoms in product particles are two aspects of chemical reactions (molecules). While there are the same number of atoms both before and after the chemical transition, there will be a change in the number of molecules.

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London dispersion forces arise due to the motion of electrons and the resulting temporary asymmetry in the electron cloud, leading to the attraction between atoms or molecules.

London dispersion forces are the weakest intermolecular forces that exist between all atoms and molecules. They arise due to the temporary asymmetry of the electron cloud surrounding an atom or molecule. The resulting temporary dipole moment induces an opposite dipole in a neighboring atom or molecule, which leads to the attraction between them.

In the case of two helium atoms, the electron clouds of both atoms are symmetrical in the absence of any external influence. However, due to the constant motion of electrons, there may be a temporary imbalance in the electron distribution of one helium atom, resulting in a temporary dipole moment. This dipole moment can induce a dipole moment in the neighboring helium atom, leading to the attraction between them.

At the molecular level, this attraction is depicted by a temporary shift of electrons towards one helium atom, creating a partial negative charge, and a corresponding shift away from the other helium atom, creating a partial positive charge. The partially negative helium atom is attracted to the partially positive helium atom of the neighboring molecule, resulting in the formation of a weak London dispersion force between the two helium atoms.

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Programs on substance abuse are run in schools, colleges, businesses, and communities. These program are aimed at reducing drug and alcohol usage while addicts and dependents to seek treatment.

long-term health risks. Heavy alcohol use might eventually lead to the onset of serious conditions like high blood pressure, heart disease, strokes, liver problems, and digestive problems. cancers of the breast, oesophagus, mouth, throat, liver, and rectum.

Campaigns to raise awareness are designed to: stop young individuals from consuming alcohol before they reach 18. preventing drinking that is unhealthy. preventing alcoholism-related psychological or physical dependence.

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Physical change example: Melting of ice: When ice melts, it undergoes a physical change as its state changes from solid to liquid. The chemical composition of water molecules remains the same.

Chemical change example: Burning of wood: When wood burns, it undergoes a chemical change as it reacts with oxygen in the air to produce carbon dioxide, water vapor, and ash. The chemical composition of the wood changes during the burning process.

Sport example: Basketball - Friction, gravity, and inertia affect the movement of the ball and the players during the game. Friction between the ball and the court surface allows players to dribble the ball and make cuts and stops.

Gravity affects the arc of the ball when it's shot and how high it bounces. Inertia affects the movement of players when they run, jump, or change directions.

Electromagnetic energy in order of longest to shortest wavelength: Radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.

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Cite one specific example each of a physical change and a chemical change.

Choose a sport, and then describe how friction, gravity, and inertia affect the action.

List these forms of electromagnetic energy in order from longest to shortest wavelength:

Since this equals (edge length)3, the cube's volume is 3 * 1.12 cm, or 3.36 cm3. As a result, the cube has 3.36/8.96 g/cm3 = 0.43 grammes of copper atoms.

V= s3, where s is the length of one of the cube's edges, is the formula for a cube's volume. The length of the edge is equal to the volume's cube root, or 4 cm, if the volume is 64.

To get the number of moles in an element or compound, divide the supplied mass by the element or compound's molar mass.

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Answer:

partial pressure of H2 = 0.9574 atm OR 727.6 mmHg

Explanation:

in case of collection of gas over water:

[tex]P_{atm} = P_{vapor} + P{gas}[/tex]

[tex]P_{atm}[/tex]: atmospheric pressure

[tex]P_{vapor}[/tex]: pressure of water vapor (must be given in the question!)

[tex]P_{gas}[/tex]: pressure of gas

in this question:

water vapor pressure at 283K (10°C) = 9.6 mmHg (again, this must be given in the question)

Given: [tex]P_{atm}[/tex] = 0.97 atm = 737.2 mmHg

by substitution in the formula:

737.2 = 9.6 + [tex]P_{H_2}[/tex]

[tex]P_{H_2}[/tex] = 727.6 mmHg = 0.9574 atm

Answer:

B

Explanation:

When ice melts at 0oC, average kinetic energy of the molecules will remain the same.