What do Ivan Pavlov and Erik Erikson have in common?

Answer:

Explanation:

The density of a substance can be found by using the formula

\(density = \frac{mass}{volume} \\\)

From the question

mass = 100 g

volume = 20 cm³

We have

\(density = \frac{100}{20} = \frac{10}{2} \\ \)

We have the final answer as

Hope this helps you

The standard cell potential of the reaction is 0.67 V obtained by subtracting the reduction and oxidation half-reaction potentials.

To find the standard cell potential, we can use the formula:

E°cell = E°(reduction at cathode) - E°(oxidation at anode)

First, let's write the overall balanced equation for the reaction:

2Ag(s) + Sn₄+(aq) → 2Ag+(aq) + Sn₂+(aq)

The reduction half-reaction occurs at the cathode, where Ag+ ions are reduced to Ag(s):

Ag+(aq) + e- → Ag(s) E° = 0.80 V

The oxidation half-reaction occurs at the anode, where Sn₄+ ions are oxidized to Sn₂+ ions:

Sn₄+(aq) + 2e- → Sn₂+(aq) E° = 0.13 V

Notice that the reduction half-reaction has a higher E° value than the oxidation half-reaction, which means it is more likely to occur spontaneously. To get the overall cell potential, we subtract the oxidation half-reaction potential from the reduction half-reaction potential:

E°cell = E°(reduction at cathode) - E°(oxidation at anode)

E°cell = 0.80 V - 0.13 V

E°cell = 0.67 V

Therefore, the standard cell potential for the given reaction is 0.67 V.

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Answer:

The iron reacts with water and oxygen to form hydrated iron(III) oxide, which we see as rust.

Explanation:

this is what will happen in water

Hydrogen gas is produced when a piece of sodium metal is put into a water-filled calorimeter. Because of an exothermic reaction, the mixture's temperature increases.

because copper has a low specific heat capacity and is a good heat conductor. It is the best substance for use in calorimeter construction. Due to its low specific heat capacity, it easily absorbs heat to attain the equilibrium temperature.

Differential scanning calorimeters, titration calorimeters, isothermal micro calorimeters, and accelerated rate calorimeters are the most popular varieties of calorimeters. Typically, a thermometer is what makes up a calorimeter.

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Answer:

I think gamma, I'm not sure tho

Answer:

the molecular formula of Ozone is O_3.

Answer: O₃

Explanation:

The chemical formula of ozone is O3. In the earth's stratosphere, ozone is formed from a two-step reactive process. First, sunlight breaks apart an oxygen molecule (O2 you'll recall) into two oxygen atoms. In the second step, these oxygen atoms collide with another oxygen atom to make ozone.

A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling point.

Explanation:

Physical Property. have a great day..

Answer:

Energy is the ability to do work, or in more simple terms: energy makes things happen. You use energy to ride your bike, play video games, bake cookies, and drive to school. Energy is exciting! Energy can be transferred from one object to another, and energy can be transferred into different forms, such as light, sound, and heat. When you sit by a campfire, you can feel the heat warm your body. The heat from the burning wood is transferred to your marshmallow, causing it to get soft and gooey. Perfect for your s’mores!

Heat can move from warm objects to cool objects, just like in the video when the heat from the wires made the paper ignite.

Explanation:

Answer:

5.55 moles is the answer ....

Explanation:

if 18g H2O is equal to 1 mole then 100 g H2O is how much?

100/18 which is 5.55

Answer:

5.551

Explanation:

100.0g x 1mol H20/18.015g H20 = 5.551 moles of H20

The 18.015g is from the periodic table. H = 1.008x2 = 2.016g H2

0= 15.999

15.999 + 2.016= 18.015

According to chemical equilibrium, reaction rates are affected by temperature,catalyst.

Chemical equilibrium is defined as the condition which arises during the course of a reversible chemical reaction with no net change in amount of reactants and products.A reversible chemical reaction is the one wherein the products as soon as they are formed react together to produce back the reactants.

At equilibrium, the two opposing reactions which take place take place at equal rates and there is no net change in amount of the substances which are involved in the chemical reaction.Factors which affect chemical equilibrium are change in concentration , change in pressure and temperature and presence of catalyst.

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Answer:

4 is answer. Explain how you know it is emit or absorb.

Explanation:

U-238 is a radioactive isotope of uranium, meaning it undergoes radioactive decay. Specifically, U-238 undergoes alpha decay, which involves the emission of an alpha particle. An alpha particle is composed of two protons and two neutrons, which is equivalent to a helium-4 nucleus.

The fact that U-238 is unstable and undergoes alpha decay can be determined based on its nuclear properties. U-238 has an atomic number of 92, indicating it has 92 protons in its nucleus. However, its atomic mass is 238, suggesting it has more than 92 nucleons (protons and neutrons) in its nucleus. This indicates the presence of additional neutrons in the U-238 nucleus.

The extra neutrons in the U-238 nucleus make it unstable and prone to decay. To achieve a more stable configuration, U-238 spontaneously emits an alpha particle from its nucleus. This emission reduces the number of protons and neutrons in the nucleus, resulting in the formation of a different nucleus.

Therefore, based on the radioactive properties of U-238, it is known to be unstable and spontaneously emit alpha particles during the process of radioactive decay.

Answer:

Normality= molarityX total POSITIVE oxidation number of solute Solvent=substance present in the greatest amount Solute= all other substances in the solution +1 (1 na+) is the total POSITIVE oxidation number of NaOH 2.0X1= 2.0 N=2.0

Explanation:

I had the same question on one of my assignments earlier

Total parenteral nutrition (TPN) is a form of intravenous nutrition that delivers nutrients such as glucose, proteins, fats, electrolytes, and vitamins directly into the bloodstream. TPN is typically prescribed for clients who are unable to eat or digest food normally, and it is administered through a central line or a peripherally inserted central catheter (PICC).

One potential complication of TPN is hyperglycemia, which is characterized by high blood sugar levels. To assess for hyperglycemia in a client receiving TPN, nurses should monitor the client's blood glucose levels regularly. Elevated blood glucose levels may be detected through laboratory tests or by observing clinical signs and symptoms such as increased thirst, frequent urination, blurred vision, fatigue, and poor wound healing. Other potential indications of hyperglycemia may include fruity breath odor, dry skin, slow healing of infections, and weight loss.

In addition to monitoring blood glucose levels, nurses should also assess for other potential complications of TPN such as infection, electrolyte imbalances, and liver dysfunction. It is important for nurses to closely monitor clients receiving TPN and to promptly report any concerning findings to the healthcare provider to ensure that appropriate interventions can be implemented to prevent complications.

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The  ionic compound that will have the highest melting point is option D: RbBr.

Ionic compounds generally have high melting points because of the strong attractions between the positively and negatively charged ions.

In general, the larger the ions, the farther apart they will be, and the weaker the attractions between them will be.

Therefore, of the four compounds listed, RbBr will have the highest melting point because it has the largest ions. Potassium, sodium, and lithium are all smaller than rubidium, so their respective bromide compounds will have weaker attractions between the ions and lower melting points.

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The total of all protons and neutrons is Option D, which is the right response. Protons, neutrons, and electrons are the three fundamental particles that make up an atom.

The nucleus of an atom is made up of protons and neutrons, which are collectively referred to as nucleons and are primarily responsible for an atom's mass. Neutrons weigh 1.6749 x 10-27 kg, whereas protons weigh 1.6726 x 10-27 kg.

Protons and neutrons make up the majority of an atom's mass when added together. However, electrons contribute very little to the mass of the atom due to their much smaller mass of 9.11 x 10-31 kg. As a result, Option D is the right response.

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The strength of intermolecular forces in water is greater than ethanol.

How is the strength of the intermolecular forces in water stronger than the intermolecular forces in ethanol?

Water has a stronger intermolecular force than ethanol. Because oxygen is bonded with two H-atoms in \(H_{2}\)O, the hydrogen-ethanol bond contact is stronger than that of ethanol. Carbon has an electronegativity of 2.5, hydrogen has an electronegativity of 2.2, and oxygen has an electronegativity of 3.44.

Because O in ethanol is coupled to one C and one H atom, the electronegativity difference between O and H is therefore somewhat larger than the electronegative difference between O and C. As a result, oxygen in \(H_{2}\)O generates a larger amount of negative charge than oxygen in ethanol.

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Empirical formula mass

Molecular fornula mass:-180g/mol

Molecular formula:-

The percent by mass of the solution containing 4.6 g of sodium chloride per 250 g of water is 1.81%. This means that 1.81% of the total mass of the solution is made up of sodium chloride.

To calculate the percent by mass of a solution containing 4.6 g of sodium chloride per 250 g of water, we need to divide the mass of the solute (sodium chloride) by the mass of the solution and multiply by 100%. Mathematically, this can be expressed as:

Percent by mass = (mass of solute / mass of solution) x 100%

The mass of the solution is the sum of the mass of the solute (4.6 g) and the mass of the solvent (water, 250 g), which is:

Mass of solution = Mass of solute + Mass of solvent

Mass of solution = 4.6 g + 250 g

Mass of solution = 254.6 g

Substituting the values, we get:

Percent by mass = (4.6 g / 254.6 g) x 100%

Percent by mass = 1.81%

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Let's understand the situation

You are using an oil based paint .We know oil contains hydrocarbons means CH- bonded compound . Hydrocarbons are known as organic compounds and non polar .The thing non polar doesn't matter much but thing organic matters .

Now coming to water ,water contains OH bonding ,a lone pair is present over O which makes water polar . Although water is also known as inorganic compound.

We know that like dissolves like .In that manner Organic compounds are soluble in only organic compounds and not in inorganic compounds like water .Thus oil paint is insoluble in water as particles don't dissolve

Hence to clean the oil you need organic solvents like toulenw,spirit ,Benzyl compounds etc .

Hazmat or lithium battery labeled order must be placed inside a well closed corrugate box  rather than a padded envelope. Thus, the statement is true.

Standard hazard class identifiers that adhere to guidelines are called Hazmat Labels. Each label has markings that specify the kind of hazard that is mentioned there.

They aid in determining the kind of hazardous item that is contained in a package. Hazardous material packaging, such as overpacks or UN-certified packaging, is given these hazmat labels and handling labels.

These labels are indicative of the danger associated with the chemicals inside and they have to well enclosed within a corrugate box.

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Answer:

It is approximately equal to the number of protons and neutrons, with a little extra added by the electrons.

Explanation:

Answer:

Molecular Mass

Explanation:

It's asking for the numerical quantity. That quantity would be the Molecular Mass. Take the sample mass and divide it by the molecular mass to get the number of moles.

(14g N * 2) + (1g H *4) = 32g / mol of N2H4

To get # of moles, divide the sample mass by the molecular mass

25g / 32g = 0.78125 moles

Answer:

No and Yes

Explanation:

it depends bc its an ionic compound, therefore can't conduct electricity when SOLID, BUT unless it DISSOLVES in water it can conduct

The Rf of diphenylmethanol (product) is smaller than that of the benzophenone(reactant) .

What is benzophenone used in?

In addition to being a flavoring agent, fragrance enhancer, perfume fixative, and additive for plastics, coatings, and adhesive formulations, benzophenone is also utilized as a UV curing agent. In order to protect cosmetics from harm from ultraviolet light, benzophenone is also used as a screen.

What are the side effects of benzophenone?

Both photocontact dermatitis and the raditional allergic contact dermatitis are caused by benzophenone sensitivity. Products containing benzophenone or benzophenone derivatives may produce redness, swelling, itching, and fluid-filled blisters in people who are allergic to benzophenone.

What is Diphenylmethanol used in?

Diphenylmethanol (DPM) and its derivatives are crucial components in the production of cosmetics, drugs, and practical organic compounds.

How do you make Diphenylmethanol?

A Grignard reaction involving phenylmagnesium bromide and benzaldehyde can produce diphenylmethanol. The reduction of benzophenone using sodium borohydride, zinc dust, or sodium amalgam and water is an alternate approach.

As, we know that,

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Answer:

V₂ = 8.8 L

Explanation:

Given data:

Initial volume = 8.5 L

Initial temperature = 294 K

Final temperature = 305 K

Final volume = ?

Solution:

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

V₂ = V₁T₂/T₁  

V₂ = 8.5 L × 305 K / 294 k

V₂ = 2592.5 L.K / 294 K

V₂ = 8.8 L

When water is lost, but electrolytes are retained, the first thing that happens is that moves water from the ICF to the ECF.

The fluid inside of cells, also called the cytoplasm or cytosol, makes up about 60% of the water in the human body, totaling about 7 gallons. Organelles like the nucleus, endoplasmic reticulum, mitochondria, lysosomes, and Golgi apparatus are suspended in and supported by the ICF. Also found in the ICF are cellular building blocks like sugars, proteins, carbohydrates, and lipids.

ECFs are any body fluids that are not inside cells. The two main components of ECF are plasma and interstitial fluid (IF). The balance consists of cerebrospinal fluid, lymph, the synovial fluid in the joints, pleural fluid in the pleural cavities (lungs), pericardial fluid around the heart, peritoneal fluid in the peritoneal cavity (abdomen), and the aqueous humor of the eye. In mammals, milk is also considered an extracellular fluid.

The ICF has higher amounts of potassium, phosphate, magnesium, and protein compared to the ECF. The plasma has high concentrations of sodium, chloride, and bicarbonate, but lower levels of protein as compared to the ICF. While water moves passively via osmosis, sodium and potassium ions move in and out of cells using active transport ion pumps. The pumps are powered by adenosine triphosphate (ATP) to provide the energy to move the ions against their concentration gradients (i.e. sodium moves out of the cell and potassium is pumped in) and maintain the gradients inside and outside the cell.

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\(\\ \tt\Rrightarrow Velocity=\dfrac{Distance}{Time}\)

\(\\ \tt\Rrightarrow Velocity=\dfrac{1.6}{1.4}\)

\(\\ \tt\Rrightarrow Velocity=8/7=1.1km/h\)

Answer:

velocity = 0.3175 m/s

Explanation:

given:

conversion:

1 km ↔ 1000 m

1.6 km ↔ 1600 m

        and

1 hours ↔ 3600 seconds

1.4 hours ↔ 5040 seconds

The distance is 1600 m and time is 5040 seconds. this was done as velocity is asked as * m/s *

solve:

\(velocity = \dfrac{distance}{time}\)

\(velocity = \dfrac{1600}{5040}\)

\(velocity = 0.3175\)

Decreasing pressure will shift the equilibrium towards the side with more moles of gas, which in this case is the reactants.

According to Le Chatelier's principle, a system at equilibrium will respond to any stress or change in conditions by shifting the equilibrium in a way that counteracts the stress.

In this case, decreasing pressure is a stress that will cause the system to shift towards the side with more moles of gas in order to increase the pressure.

Since there are four moles of gas on the reactant side and only two moles of gas on the product side, the equilibrium will shift towards the reactants to increase the gas molecules and hence the pressure.

This means that the reaction will favor the formation of more N2 and H2, which are the reactants, and less NH3, which is the product. Therefore, decreasing pressure will result in a decrease in the amount of ammonia produced at equilibrium.

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