A rigid container of O has a pressure of 340 kPa at a temperature of 713 K. What is the pressure at 273 K?

Answer:

348 g FeCO3

Explanation:Use your 3 mol's and find the atomic number of Iron II and CO3 which i think is 115.854 so you multiply it by the 3 and that should give you your grams in FeCO3.

The shutdown decision can be restated in terms of producer surplus by saying that A, a firm should produce in the short run as long as revenue exceeds producer surplus

Producer surplus represents the difference between the revenue received by the firm and the minimum amount needed to cover variable costs. If the producer surplus is positive, it indicates that the firm is covering its variable costs and contributing towards fixed costs. In this situation, it is financially viable for the firm to continue production, even if it's not generating profit.

However, if the producer surplus becomes negative, the firm is unable to cover its variable costs, and a shutdown may be the optimal decision. It is important to note that the focus is on variable costs rather than fixed costs or profit, as fixed costs will still need to be paid regardless of production levels. So therefore the shutdown decision, in terms of producer surplus, the correct answer is A. a firm should continue production in the short run as long as the producer surplus exceeds variable costs.

Learn more about producer surplus at

https://brainly.com/question/30783937

#SPJ11

a. t = 4.33 s

b. R = 53.04 m

c. H = 22.97 m

Given

vo=initial velocity=24.5 m/s

Angle = θ = 60°

Required

(a) time of flight, (b) range, and (c) maximum height.

Solution

Parabolic motion

a. time to flight

t = (2vo sin θ) / g

t = (2 x 24.5 x sin 60) / 9.8

t = 4.33 s

b. range (horizontal range) :

R = (vo² sin2θ )/g

R =(24.5² sin 120)/9.8

R = 53.04 m

c. maximum height

H = (vo²sin²θ)/2g

H = (24.5²sin²60)/2.9.8

H = 22.97 m

The formation of 2,3-dimethylbutadiene (also known as isoprene) can be explained by an elimination reaction, specifically, the dehydrohalogenation of 2,3-dimethyl-2-chlorobutane. Here is a proposed mechanism for this reaction:

Step 1: Protonation of the chloroalkane

The 2,3-dimethyl-2-chlorobutane molecule reacts with an acid (such as sulfuric acid or hydrochloric acid) to form its corresponding carbocation. In this step, a proton from the acid adds to the chlorine atom, resulting in the formation of a carbocation intermediate.

Step 2: Formation of the double bond

The carbocation intermediate undergoes an elimination reaction, where a hydrogen atom adjacent to the carbocation is abstracted by a base (such as a chloride ion) to form a C=C double bond. This step involves the removal of a proton from one of the beta carbons (carbon atoms adjacent to the positively charged carbon) and the formation of a new pi bond.

Step 3: Deprotonation

In this step, a base (such as water or hydroxide ion) deprotonates the resulting alkene to form the final product, 2,3-dimethylbutadiene (isoprene).

Overall reaction:

2,3-dimethyl-2-chlorobutane → 2,3-dimethylbutadiene + HCl

The proposed mechanism involves the initial protonation of the chloroalkane, followed by the formation of a carbocation intermediate and the subsequent elimination of a proton to form the double bond. Finally, deprotonation occurs to generate the desired product, 2,3-dimethylbutadiene.

Learn more about dehydrohalogenation here:

https://brainly.com/question/31285083

#SPJ11

Answer:

Consumers must consume other organisms to get the food that they need and are known as Heterotrophs as they cannot make their own glucose. These consumers eat producers (plants). Herbivores are considered as first order consumers. These consumers eat consumers and producers (animals and plants).

Answer:Silicon

Explanation:

Silicon - Element information, properties and uses | Periodic Table.

Royal Society of Chemistry › 14 › si...

Silicon - Element information, properties and uses | Periodic Table

More

The Styrene has the empirical formula CH with a molar mass of 104. 13 g/mol. The number of hydrogen atoms are present in a 52 g sample of the styrene is 4.63 × 10²² H atoms.

The Empirical formula of styrene  CH

The molecular formula = n(empirical formula)

n = 8

The Molecular formula of styrene = C₈H₈

1 mol of styrene has the 8 moles of the C and the 8 moles of H and the 1 mol .

The molecular mass =  104.13 grams.

104.14 g (1 mol of C₈H₈) have the 8 moles of H

Moles of 52 g  =  (52 × 8) / 104.13

                        = 3.99 moles

1 mole of  particles=  6.02×10²³ atoms

The number of hydrogen atoms=  3.99 mol . 6.02×10²³ atoms / 1 mol

                                                     = 4.63 × 10²² H atoms.

To learn more about empirical formula here

https://brainly.com/question/14044066

#SPJ4

There are two signs of alpha decay. The matrix 4/2He is used in all of the equations to represent the emission of an alpha particle, which is a helium nucleus made up of two protons and two neutrons.

The nucleus loses two protons during alpha decay. The nucleus either acquires or loses a proton during beta decay. There is no change in the proton count during gamma decay.

Alpha decay can be described by a nuclear equation. If the total numbers of protons and neutrons on both sides of the arrow are equal, the equation is balanced. Alpha decay is one of the four types of radioactive decay.

To know more about alpha decay visit:-

https://brainly.com/question/14081292

#SPJ1

In order to properly balance an equation, we need to make sure that the same amount of elements on the reactants side matches the number of elements on the products side, we can do that by increasing the number in front of each molecule, the so called stoichiometric coefficient.

The proper balancing for this question is:

2 C2H2 + 5 O2 -> 4 CO2 + 2 H2O

Therefore the coefficients are:

2, 5, 4, 2

In the optimized Lewis structure of PO4 3-, there are zero non-bonding electrons on the central atom.

First, let's look at the Lewis structure of PO4 3-. The central atom is phosphorus (P), which is bonded to four oxygen (O) atoms. Each oxygen atom is bonded to the central phosphorus atom with a single bond, and each oxygen atom also has three pairs of non-bonding electrons.

The Lewis structure of PO4 3- looks like this:

      O
     /
P - O - O
     \
      O

Each single bond in the structure represents two electrons, so there are a total of eight bonding electrons around the central phosphorus atom. Phosphorus has five valence electrons, so there are a total of thirteen valence electrons around the central atom.

To minimize the formula charges, we need to make sure that the central atom has a full octet of eight electrons. Since there are already eight bonding electrons around the central atom, there are no non-bonding electrons on the central atom.

Therefore, the answer to the question is zero non-bonding electrons on the central atom in the optimized Lewis structure of PO4 3- in which the formula charges are minimized.

Learn more about Lewis structure

brainly.com/question/4144781

#SPJ11

Answer: a rock being in one place over a long time and eventually wearing away

Explanation:

:)

Answer:

A:genes

Explanation:

the brain doesn’t carry genetic information

the heart pumps blood to other parts of the body

And chromosomes carry the genetic information

The component in the solar cell system which provides electrons to replace the electrons released by the dye simply is the graphite layer.

The graphite layer is one of the major parts oth the solar cell. It help in the provision of electrons by acting as a counter electrode within the electrolyte. In order, this layer is part responsible for replacing electrons produced by dyes.

In conclusion, we can now confirm from all said and done from above that the solar cell too has a way of producing electrons.

Read more on solar cell:

https://brainly.com/question/19483420

#SPJ1

In a concentration cell, the movement of electrons from the anode to the cathode is driven by the difference in concentration of the electrolyte solution between the two electrodes.

The electrode with the higher concentration of ions will have a higher tendency to lose electrons and become the anode, while the electrode with the lower concentration of ions will have a higher tendency to gain electrons and become the cathode. This movement of electrons creates an electric current that can be harnessed for various applications.
In a concentration cell, the movement of electrons from the anode to the cathode is driven by the difference in ion concentrations between the two half-cells. This concentration gradient leads to a potential difference, which provides the driving force for the electron flow.

To know more about electrons visit:

https://brainly.com/question/1255220

#SPJ11

Answer:

Explanation:

An equation in point-slope form for the line perpendicular to y=1/4x-7 and passing through (-2,-6) is:

y - (-6) = -4(x - (-2))

This equation can also be written in slope-intercept form (y = mx + b) as:

y = -4x + 4

The slope of the line is -4 because it is perpendicular to the line y=1/4x-7 and the slope of that line is 1/4. The point (-2,-6) is the point where the line passes through, so the y-intercept is 4.

The concentration of sodium ion, Na⁺ in the solution, given that 23.6 grams of Na₃PO₄ is dissolved in 750 mL of water is 0.576 M

We'll begin by obtaining the molarity of the solution. This is illustrated below:

Molarity = mole / volume

Molarity = 0.144 / 0.75

Molarity = 0.192 M

Finally we shall determine the concentration of the sodium ion, Na⁺. Details below:

Na₃PO₄(aq) <=> 3Na⁺(aq) + PO₄³⁻(aq)

From the balanced equation above,

1 mole of Na₃PO₄ contains 3 moles of Na⁺

Therefore,

0.192 M Na₃PO₄ will contain = 0.192 × 3 = 0.576 M Na⁺

Thus, the concentration of Na⁺ is 0.576 M

Learn more about molarity:

https://brainly.com/question/13386686

#SPJ1

Answer:

nitrate ion,, because it the most electronegative element,,it be formed at the anode

The pH of the HCl solution made by adding 0.878 moles HCl to water that has a total volume of a solution of 1855ml is 0.33.

To find the pH of the solution, follow these steps:

1. Calculate the concentration of HCl in the solution: Divide the moles of HCl by the volume of the solution in liters.
0.878 moles HCl / (1855 mL * 0.001 L/mL) = 0.473 M (molar concentration)

2. Since HCl is a strong acid, it will dissociate completely in water to form \(H^+\) ions and \(Cl^-\) ions:
HCl(aq) →  \(H^+\)(aq) +  \(Cl^-\)(aq)

3. The concentration of  \(Cl^-\) ions in the solution will be equal to the concentration of HCl since it dissociates completely:
[ \(Cl^-\)] = 0.473 M

4. Use the formula for pH to find the pH of the solution:
pH = - \(log_{10}\) [ \(Cl^-\)]
pH = - \(log_{10}\) (0.473)

5. Calculate the pH:
pH ≈ 0.33

Therefore, the pH of the solution is approximately 0.33.

To learn more about solution refer: https://brainly.com/question/12729588

#SPJ11

We are aware that ether is a polar solvent and pentane is an apolar one. The less polar material moves quicker while more polar component travels slower.

By use of polar interactions, the sample that has to be separated will be adsorbed to the stationary phase comprised of alumina or silica gel. The eluting solvent will be used to elute these adsorbed molecules. Both polar and non-polar solvents may be used as these eluting agents. The interactions with the polar molecules that are adsorbed to the chromatographic column grow when the polarity of the eluting solvent is increased. Pentane is less polar than ether when compared. As a result, polar molecules are separated from and eluted from the stationary phase using ether. This is due to the fact that polar solvents may dissolve polar substances due to polar interactions.

learn more about polar solvent here:

https://brainly.com/question/12973798

#SPJ4

Answer: 1.079 kg/m3

Explanation:

The formula for the density is as follows as; Here, D is the density, m is the mass and V is the volume. Density is inversely proportional to the volume and it is directly proportional to the mass. It is given in the problem that density of an object is 700 kg having volume .

When red blood cells are placed in Solution A, which contains 150 mM NaCl, no significant changes occur because the concentration of sodium chloride is similar to that of the cells' internal environment. The isotonic nature of Solution A ensures that there is no net movement of water across the cell membrane, resulting in the cells maintaining their normal shape and size.

However, when comparing the tonicity of Solutions B, C, D, and E to Solution A and each other, differences arise. Tonicity refers to the osmotic pressure exerted by a solution on a cell and is influenced by the concentration of solutes within the solution. Solutions B and E both contain additional solutes along with NaCl.

Solution B, consisting of 100 mM glucose and 100 mM NaCl, has a higher tonicity compared to Solution A. Glucose cannot freely cross the cell membrane, creating an osmotic gradient that draws water into the red blood cells, causing them to swell.

Solution C contains 100 mM Drug X, a small non-polar molecule, along with 150 mM NaCl. Since Drug X is non-polar, it can freely cross the cell membrane. The presence of Drug X does not significantly affect the tonicity compared to Solution A, as it does not create an osmotic gradient.

In contrast, Solution D, which contains 150 mM MgCl2, has a higher tonicity than Solution A. MgCl2 dissociates into Mg2+ and Cl- ions, both of which cannot cross the cell membrane easily. The higher concentration of impermeable ions creates an osmotic gradient, leading to water loss from the red blood cells and causing them to shrink.

Lastly, Solution E consisting of 300 mM fructose has a higher tonicity compared to Solution A. Fructose cannot freely cross the cell membrane, resulting in an osmotic gradient that draws water into the red blood cells, causing them to swell.

In summary, placing red blood cells in Solution A does not produce significant changes in the cells. However, when comparing the tonicity of Solutions B, C, D, and E to Solution A and each other, variations in osmotic pressure occur due to the presence of different solutes.

Learn more about red blood cells

brainly.com/question/12265786

#SPJ11

Answer: C. Na2B4O7•10H2O

Explanation:

Hope this helps :)

The formula is tetrasodium borate-Na2B4O7.10H2O

Given- 0.0132 mol Na2B4O7 and 0.1311 mol H2O

Using the molar mass of the anhydrous Na2B4O7 and its mass percentage, we can calculate the molar mass of the hydrate (if we look at it as 100% of the mass) by stoichiometry.

Molar mass of Na = (22.990 g/mol)

Molar mass of B = (10.811 g/mol)

Molar mass of O = (15.999 g/mol)

Molar mass of Na2B4O7= 2⋅22.990 g/mol +4⋅10.811 g/mol +7⋅15.999 g/mol = 201.217 g/mol

201.217g/mol : 52.8%=x g/mol : 100%

​x g/mol = 201.217 g/mol⋅100%÷52.8 %

x g/mol= 381.093 g/mol

In 381.093 g of hydrate, we have 201.217 g of anhydrous Na2B4O7 , the rest of the mass is water.

381.093g−201.217g= 179.876 g of water

Molar mass of H = 1.008 g/mol

Molar mass of O = 15.999 g/mol

Molar mass of  H2O= 1.008 g/mol+ 15.999g/mol  = 18.015 g/mol

179.876g ÷18.015 = 9.98= 10 moles of water per mole of hydrate.

​

​

​

​

Answer:

The answer is A I think sorry if I'm wrong

Answer: A. 2.00 moles

Explanation:

To determine the number of moles of nickel in a 117 g Ni sample, we can divide the mass of the sample by the molar mass of nickel:

moles = mass ÷ molar mass

= 117 g ÷ 58.69 g/mol

= 2 moles

Therefore, there are approximately 2 moles of nickel in a 117 g Ni sample and the correct answer is A. 2.00 moles

It is important to note that the molar mass of a substance is defined as the mass of one mole of that substance. One mole of a substance is equal to \(6.022\) × \(10^{23}\) units of that substance, which is known as Avogadro's number. The molar mass of a substance is often used to convert between mass and number of moles, as shown in the calculation above.

Answer:

One.

Explanation:

Both sides of the equation need 2 Silver atoms, 1 Nitrogen, 3 Oxygen and 1 Copper to be balanced which is the same as the side of reactants.

4 moles of \(O_{2}\) are produced if 8 moles of water decompose into diatomic hydrogen and oxygen

In this chemical equation, 2 moles of water produce 1 mole of oxygen gas. Therefore, to determine how many moles of \(O_{2}\) are produced from 8 moles of water, we can use a proportion.

2 moles of \(H_{2}O\) = 1 mole of \(O_{2}\)

So, 8 moles of \(H_{2}O\) = x moles of \(O_{2}\)

We can cross-multiply to solve for x:

2 moles of \(H_{2}O\) * x moles of \(O_{2}\) = 8 moles of \(H_{2}O\) * 1 mole of \(O_{2}\)

2x = 8

x = 4

Therefore, 8 moles of water decomposing will produce 4 moles of oxygen gas.

Know more about the Chemical equation here :

https://brainly.com/question/13847161

#SPJ11

Answer: aerodynamic force

Explanation:

The time-varying aerodynamic force causes the ball to move erratically. This motion is the source of the "dancing" knuckleball that confuses both batters and catchers alike.

Answer: No

Explanation:  The snacks did not work because the result of the snails either stayed the same, or decreased.