determine the maximum shearing stress when σx = 0 and σy = 10 ksi.

Answer:

The differemt isotopes that differ in atomic mass

Explanation:

Based on the equation of the reaction and the limiting reactant of the reaction, molarities of the ions are determined from the amount in moles of excess reactants and soluble products formed.

The limiting reactant is he reavtant that is used up in the reaction after which the reaction stops.

The limiting reactant is obtained from the mole ratio of the reactants in the equation of the reaction.

Equation of reaction is given as follows:

Molar mass of AgNO3 = 170 g/mol

Molar mass of Na3P = 100 g/mol

Molar mass of Ag3P = 355 g/mol

Molar mass of NaNO3 = 85 g/mol

Mass of AgNO3 reacting = 83.4 g

Moles of AgNO3 reacting = 83.4/170 = 0.49 moles

Mass of Na3P reacting = 62.9

Moles of Na3P reacting = 62.9/100 = 0.629 moles

Moles ratio of AgNO3 to Na3P = 3 : 1

Mole rational of AgNO3 and NaNO3 1 : 1

Based on the mole ratio;

At the end of the reaction, molarity of the ions are as follows:

Molarity of Na+ = {0.49 + (3 × 0.46)}/1.71

Molarity of P^{3+} = 0.465/1.71

Molarity of NO3^{-1} = 0.49/1.71

Therefore, molarities of the ions are determined from the amount in moles of excess reactants and soluble products formed.

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Answer:

d=0.4cm

t=0.25km

v=7s of 100m

i hope it helps you

this is my asnwer

correct me if im wrong

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Answer:

E conduct electricity when melted

Explanation:

They can not produce electricity until dissolved/ melted in water

The term for the propane and butane phases that can be liquefied is "liquefied petroleum gas" or LPG. LPG is a mixture of propane and butane gases that are compressed and cooled to a point where they transition from their gaseous state to a liquid state.

This process of converting the gases into a liquid form allows for easier storage, transportation, and handling. LPG is commonly used as a fuel for heating, cooking, and powering various appliances. It is widely available in portable cylinders and larger storage tanks. LPG has a higher energy content compared to its gaseous form, making it a convenient and efficient fuel source. The ability of propane and butane to be liquefied and stored as LPG is due to their relatively low boiling points and the pressure at which they are compressed. By controlling the temperature and pressure, the gases can be condensed into a liquid state, allowing for greater convenience and versatility in their use.

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True. Thermal energy, which is quantified as heat, is the movement of particles inside a material. Particles exchange energy in the form of heat as they travel more quickly or collide with one another.

Hence, thermal energy may be produced by the movement of particles.

The movement of particles within a material results in the production of thermal energy, often known as heat energy. Kinetic energy, which occurs when particles travel more quickly, or potential energy, which occurs when particles vibrate more quickly, might cause this movement. As particles contact, heat is transferred from one particle to the next, and this energy transfer lasts until the substance reaches thermal equilibrium. The temperature and quantity of heat energy within the material increase with particle mobility. Understanding this concept is crucial for comprehending a variety of phenomena, such as heat transport, thermodynamics, and the behaviour of matter in different states.

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Answer:

In general, if the electronegativity difference between two atoms is less than 0.5, the bond is considered nonpolar, even though the only truly nonpolar molecules are those formed with identical atoms. Nonpolar molecules also form when atoms sharing a polar bond arrange such that the electric charges cancel each other out.

Explanation:

sorry if I'm wrong or if this doesn't help you

Answer:

(CH3COO)2 + redP + Cl2 → ClCH2COOH + HCl

Explanation:

This is an example of halogenation of carboxylic acids at alpha carbon atom. In this reaction, red phosphorus and chlorine are treated with carboxylic acids having alpha hydrogen atom followed by hydrolysis to form alpha chloro carboxylic acid.

Free electrons play a role in thermal conduction. Thermal conduction is the transfer of heat energy through a material or between materials in direct contact. In metals, which are good conductors of heat, free electrons contribute significantly to the process of thermal conduction.

In metals, some of the electrons in the outer energy levels of atoms are not tightly bound to individual atoms but are relatively free to move throughout the material. These free electrons are often referred to as conduction electrons. When there is a temperature gradient in a metal, the free electrons gain kinetic energy from the higher-temperature region and transfer it to neighboring atoms by colliding with them. This transfer of kinetic energy is what facilitates the conduction of heat through the material.

On the other hand, thermal expansion refers to the expansion or contraction of a material due to changes in temperature. While free electrons are present in metals, they do not play a direct role in the phenomenon of thermal expansion. Thermal expansion is primarily determined by the behavior of atoms or molecules within the material.

Therefore, free electrons are specifically involved in thermal conduction rather than thermal expansion.

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Explanation:

To find the amount of product that would be formed from two or more reactants, we need to follow the following steps;

Useful expression:

    Mass   =  number of moles x molar mass

Any three base sequence found on the mRNA that codes for a specific amino acid is called a codon.

The three base of the sequences that are found in the mRNA , the one after another code for the specific amino acid. So, the three bases are together is known as the codons and it based on the codon sequence of the mRNA polypeptides will be produced.

The polypeptides will be formed after the translation and it based on the codons in the mRNA the peptide will be produced.  The coons are the specific for the single amino acid that will makes the codons universal.

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Answer:

Anemometer

Explanation:

Answer: The frequency is given by:

Photon energy is 8.42 eV

By Planck's relation:

E= hv     (h is the Planck's constant and v is the frequency)

v= E/h

1 eV = 1.60×10-19J

E= 8.42× 1.6×10-19 Joules

h = 6.62×10-34 Joule/Hz

Substituting the values in the above formula

v = (8.42×1.6×10-19) /(6.62×10-34)

Frequency = 2.035×10(power) +15 Hertz

Explanation:

Firstly we convert energy into Joules then we have to just substitute given values to get our answer. The equation or formula we are using to solve this particular question is Planck's relation.

Answer:

D) ionic radius of Br">atomic radius of br

Answer:

TechnologyCommand Data Solutions specializes in empowering your data and content with a high degree of quality and scope. Intelligent data fine-tunes your advertising, and enables your core sales team to work within relevant market zones. This saves a lot of valuable time and increases ROI.

Explanation:

Answer:

Technology Command Data Solutions specializes in empowering your data and content with a high degree of quality and scope. Intelligent data fine-tunes your advertising, and enables your core sales team to work within relevant market zones. This saves a lot of valuable time and increases ROI. We do this with a multi-faceted approach using cutting edge technologies. We also market your content through various channels such as telemarketing and e-mail campaigns, as well as syndication. We further engage your customers through blogs, webinars and webcasts. We closely study your customers’ requirements and arrange meetings when the time is right. This ground work frees up your sales force to focus on its strength: hard core sales. We cleanse your existing database and remove irrelevant data. We enrich it with new, more relevant contact information. We monitor your existing and potential customer profiles and track their technology needs. The moment we sense purchase behavior, you get an instant update.

Answer:

touch it :)

Explanation:

Answer: I Believe The answer to this question is to hover your hand over the piece of Metal, life what'd you do in a house fire to tell if the doorknob is hot.

Explanation:

Explanation:

The degree of dissociation of an acid solution can be determined by the following equation:

Degree of dissociation = (Moles of dissociated acid/Moles of total acid) x 100

In a weak acid solution, the degree of dissociation is directly proportional to the acid concentration. When the concentration of an acid is increased, its degree of dissociation also increases.

In this case, we are starting with a weak acid solution at 0.001 M total concentration of the acid HA and it is found that the HA is 10% dissociated at 25 degrees Celsius.

When 0.1 M NaCl is added to the solution, the degree of dissociation will be affected due to the presence of the salt and the resultant activity coefficient effects. The activity coefficient of an ion in a solution is a measure of its deviation from ideal behaviour and is affected by the presence of other ions and the ionic strength of the solution.

In this case, the addition of 0.1 M NaCl will increase the ionic strength of the solution, resulting in a decrease in the activity coefficient of the HA ions. This, in turn, will cause the degree of dissociation to decrease.

The exact degree of dissociation for the solution including 0.1 M NaCl cannot be determined without further information. However, we can expect it to be lower than the 10% dissociation at 0.001 M.

The degree of dissociation for the same solution including 0.1 M NaCl will be lower than 10%.

This is because the presence of NaCl will increase the ionic strength of the solution, which will in turn decrease the activity coefficients of the ions in the solution. As a result, the dissociation of HA will be less favorable, leading to a lower degree of dissociation.

To calculate the expected degree of dissociation, we can use the Debye-Huckel equation for activity

log γ = -A z^2 √I / (1 + B √I), where γ is the activity coefficient, A and B are constants, z is the charge of the ion, and I is the ionic strength of the solution.

The ionic strength of the solution can be calculated as follows:
I = 1/2 Σ c_i z_i^2,  where c_i is the concentration of ion i, and z_i is the charge of ion i.

For the solution including 0.1 M NaCl, the ionic strength will be:
I = 1/2 (0.1 x 1^2 + 0.1 x (-1)^2) = 0.1

Using the Debye-Huckel equation, we can calculate the activity coefficients of the H+ and A- ions in the solution. Then, we can use these activity coefficients to calculate the expected degree of dissociation for the solution including 0.1 M NaCl. The calculation will depend on the specific values of A and B for the solution, but in general, the degree of dissociation will be lower than 10% due to the presence of NaCl.

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Answer:B

Explanation:

In an experiment searching for the photoelectric effect, an incident beam of green light did not eject any electrons from a metal. in order to eject electrons, the experimenter should try blue light.

You need to know that in the photoelectric effect the concept of dualism of light is applied, namely the concept of continuous wave-shaped light. Well, according to Einstein, light consists of packets or light particles (photons).

A photon itself has an energy equal to Planck's constant (h) multiplied by its frequency. In addition, Planck's constant (h) is a constant whose value is always correct. That way, the energy inside the photon will always increase according to its frequency.

The mechanism for the photoelectric effect on a metal starts with light hitting the metal. Then, the light will penetrate the metal material. Where, the photons will meet the electrons that are in the metal.

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As per the question, the mass of the nitrogen gas m = 22.25 gram.

The latent heat of vaporization of nitrogen = 199.0 j/g

As per the question, the nitrogen gas will condense. During condensation, the nitrogen gas will lose or release heat equal to its latent heat.

Hence, the heat released by nitrogen gas Q = ml = 22.25 × 199.0 J                                                                           = 4427.75 J.

Hence, the amount of heat released will be 4427.75 J.

The formula: can be utilized to determine energy. Q = mc ∆T. In the equation, Q stands for energy expressed in joules or calories, m for mass expressed in grams, c for specific heat, and T for temperature change, which is the difference between the final temperature and the initial temperature. Water has a specific heat of 1 calorie/gram °C.

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Answer:

Magnesium

Explanation:

Hope this helps!

The standard potential for the given galvanic cell is +1.06 V.

To calculate the standard potential for the given galvanic cell, we need to determine the individual reduction potentials of the half-reactions and then subtract the potential of the anode (where oxidation occurs) from the potential of the cathode (where reduction occurs).

Given reduction half-reaction potentials:

Ag+(aq) + e^− → Ag(s): E∘ = +0.80 V

Ni2+(aq) + 2e^− → Ni(s): E∘ = -0.26 V

Since we have the reduction potentials for both half-reactions, we can directly calculate the standard potential for the cell:

E∘(cell) = E∘(cathode) - E∘(anode)

= E∘(Ag+(aq) + e^− → Ag(s)) - E∘(Ni2+(aq) + 2e^− → Ni(s))

E∘(cell) = +0.80 V - (-0.26 V)

= +1.06 V

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a. Silver coin - Element (Silver is a pure element and is not chemically combined with any other element in a silver coin)

b. Air - Mixture (Air is a mixture of gases, primarily nitrogen and oxygen, with trace amounts of other gases and particles)

c. Coffee - Mixture (Coffee is a mixture of various compounds such as water, caffeine, and organic compounds that give it its flavour and aroma)

d. Soil - Mixture (Soil is a mixture of various substances such as minerals, organic matter, water, and air)

My everyday experiences influenced my response because I have come across these examples in my daily life and have been taught about them in science classes. For example, I know that air is composed of different gases and particles, and that soil is made up of a mixture of substances, including minerals and organic matter. Similarly, I know that a silver coin is made of pure silver and that coffee is made of various compounds.

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Water acts as a "catalyst" or "facilitator," speeding up enzymatic interactions with other chemicals.

1. Solvent properties: Water is an excellent solvent for many substances, including polar and ionic compounds. Enzymes often work in an aqueous environment, and water helps to dissolve and disperse the reactants and products, allowing for efficient interactions.

2. Hydrogen bonding: Water molecules can form hydrogen bonds with other molecules, including substrates and enzyme active sites. Hydrogen bonding can enhance the binding affinity between the enzyme and substrate, facilitating their interaction and promoting enzymatic reactions.

3. Molecular collisions: Water molecules are in constant motion, leading to collisions with other molecules, including enzymes and substrates. These collisions increase the chances of successful interactions between the enzyme and substrate, promoting enzymatic reactions.

4. Temperature regulation: Water has a high specific heat capacity, meaning it can absorb and release a significant amount of heat before its temperature changes. This property helps maintain the optimal temperature for enzymatic activity, ensuring efficient and rapid interactions between enzymes and other chemicals.

Overall, water's role as a catalyst or facilitator in enzymatic reactions is attributed to its solvent properties, ability to form hydrogen bonds, promotion of molecular collisions, and temperature regulation, all of which contribute to speeding up enzymatic interactions with other chemicals.

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Answer: B) ethanol

Explanation:

Due to its strong attraction with water molecules.

Answer:

1.3 atm

Explanation:

To solve this problem, we can use the combined gas law, which relates the pressure, volume, and temperature of a gas:

(P1 x V1) / (T1) = (P2 x V2) / (T2)

where P1, V1, and T1 are the initial pressure, volume, and temperature of the gas, and P2, V2, and T2 are the final pressure, volume, and temperature of the gas.

We are given:

P1 is what we want to find

V1 = 839 mL

T1 = 45 degrees Celsius = 318 K

V2 = 1032 mL

T2 = 58 degrees Celsius = 331 K

P2 = 1.9 atm

Plugging these values into the formula, we get:

(P1 x 839 mL) / (318 K) = (1.9 atm x 1032 mL) / (331 K)

Simplifying and solving for P1, we get:

P1 = (1.9 atm x 1032 mL x 318 K) / (839 mL x 331 K)

P1 = 1.3 atm (rounded to one decimal place)

Therefore, the original pressure of the oxygen sample was 1.3 atm.

Answer: The property that is characteristic of alkenes, alkynes, and aromatic hydrocarbons is that they are insoluble in water.

Alkenes, alkynes, and aromatic hydrocarbons are nonpolar hydrocarbons that do not have an electrical charge, which makes them insoluble in water. Water is a polar molecule with a partial negative charge at the oxygen atom and a partial positive charge at the hydrogen atoms. Nonpolar molecules, like alkenes, alkynes, and aromatic hydrocarbons, do not interact strongly with the polar water molecules and, therefore, do not dissolve in water.

However, alkenes, alkynes, and aromatic hydrocarbons are generally soluble in nonpolar solvents such as benzene, toluene, and hexane. This is because nonpolar solvents have similar polarities to these hydrocarbons, which allows them to dissolve and mix together.

Vapor pressure, pH, and solubility characteristics of alkenes, alkynes, and aromatic hydrocarbons depend on the specific properties of each compound and are not generally characteristic of this group of hydrocarbons.

ANSWER - 6 MOLES OF IRON

Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(1)

One moles of Fe2O3 forming 2 moles of Fe

3 moles of Fe2O3 will form 2×3 = 6 moles of iron

When an acid with pKa of 6 is placed into an environment where the pH is 2, most of the acid molecules are ionized (option B).

There are different types of acids in chemistry. The pH of a solution determines its acidity or basicity. The pKa of an acid is the negative logarithmic value of the equilibrium constant of the acid dissociation reaction. It refers to the acidity of the acid. The dissociation of the acid depends on the pH of the solution.

The degree of ionization of an acid in water depends on the acid's strength and the pH of the solution. If the pH is less than the pKa, the acid exists predominantly in its protonated (non-ionized) form. If the pH is greater than the pKa, the acid exists predominantly in its deprotonated (ionized) form.

When an acid with pKa of 6 is placed into an environment where the pH is 2, most of the acid molecules are ionized. Therefore, the correct option is b. Ionized.

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Answer:

The limiting Reactant would be KI

Explanation: