What mass of o2 is required to produce 14. 5 g of co2 if the reaction has a 65. 0% yield?.

Answer:

3 moles of carbon atoms is equivalent to 36 gm carbon.

In 12gm carbon there are 6.023*10^23 atoms.

So in 36 gm there are 3*6.023*10^23 atoms.

so the answer is 18.069*10^23 atoms.

Explanation:

Explanation:

moles = mass in gm/ molar mass =3.4/12= 17/60

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a. dinitrogen oxide (N2O)

O=16.00g

N=14.00g * 2 = 28.00g

So NO2 = 44.00g

You have 100g of NO2, you need moles.

So:

100g of NO2 x 1 mol NO2/44g of NO2 = your answer

b. All right. So let's go ahead and convert our 100 grams of stuff. Two moles. So starting with, we have 100 grams, uh, and 20 times we know we're gonna have one more on the top. We need the molar mass. So if we look at our periodic table, nitrogen has a molar mass of 14 point. Oh, sevens will multiply that by two. Since we have two nitrogen in our compound plus 15.999 your period table might be slightly different. That's okay. Just stay consistent with your numbers. If we add those together, we should get 44 point no. 13 grams for everyone. Mole. That's why it's ah conversion factor of the inner calculator and get 2.27 moles into right. And then, um, we have 100 grams of other substance teach your each times we know our one mole from the conversion factor will be on the tops. Wouldn't do that now and then. Carbon 12.1 Um, options. 15.99 and then hydrogen is one point 08 So I had all those together multiply by our sub scripts and get 32 point go for two calculate. That would be 3.12 moles of C H 30 H for the same mass. What this means is that CH. 30 H husband It contains more moles than in 20

Answer:

Jim's car travels: 12.04 meters per second.

Tara's car travels 12 meters per second.

Explanation:

Tara's car travels the fastest.

The lipid whose structure is similar to a triglyceride except that one fatty acid is replaced with a compound containing phosphorus and nitrogen is called a phospholipid. Here Phospholipid is the lipid whose structure is similar to a triglyceride except that one fatty acid is replaced with a compound containing phosphorus and nitrogen.

Phospholipids are essential components of the cell membrane and are made up of a hydrophilic (water-loving) head and a hydrophobic (water-fearing) tail. They help keep the cell membrane intact and control what enters and exits the cell.Triglycerides are made up of three fatty acid chains connected to a glycerol backbone. They store energy and make up the majority of dietary fats. A phospholipid, on the other hand, has a hydrophilic phosphate head, a glycerol backbone, and two hydrophobic fatty acid tails.

Phospholipids are the main components of cell membranes, with the hydrophobic tails facing inward towards the middle of the membrane and the hydrophilic head facing outward.Phospholipids are also amphipathic, meaning they have both hydrophobic and hydrophilic regions. They are therefore well-suited for forming bilayers, which are two layers of phospholipids arranged tail-to-tail. This arrangement enables cells to separate their internal environment from the external environment and control what passes through the membrane.

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Answer:

false

Explanation:

it happens in light-independent reactions

Answer:

How did John D Rockefeller make his fortune? Rockefeller founded the Standard Oil Company in 1870. He ran it until 1897, and remained its largest shareholder.

Answer:

oil

Explanation:

Answer:

p is the variable for momentum formula is p=mv

Answer:

p

Explanation:

in this equation you insert the known values.. p=mb  than you will et your answer

Answer:

C

Explanation:

When sodium acetate is dissolved in water, it is hydrolyzed into ions.

When a salt of weak acid or base is dissolved in water, this salt hydrolysis in it. Water ionises into hydroxide and hydrogen due to addition of sodium acetate. In water, sodium acetate splits into sodium and acetate ions.

So we can conclude that when sodium acetate is dissolved in water, it is hydrolyzed into ions.

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Answer:

Explanation:    Nitrogen has been the group 15 element of the periodic table that has atomic number 7. Nitrogen is likely to form three covalent bonds.  the answer is 3.

The present worth equivalent of these 8 cash flows is $713,196. The present worth equivalent of the 8 cash flows can be calculated by finding the present value of each individual cash flow and summing them up. The cash flows consist of an initial investment of $225,000 in year 1, followed by a gradient series of $90,000 in years 2, 3, and 4, and then a decreasing gradient series of $120,000 in years 5, 6, 7, and 8.

To calculate the present worth, we can use the formula for the present value of a cash flow:

PV = CF / (1 + r)^n

where PV is the present value, CF is the cash flow, r is the interest rate, and n is the time period.

Let's calculate the present worth of each cash flow:

PV1 = $225,000 / (1 + 0.09)^1 = $206,422.01814

PV2 = $90,000 / (1 + 0.09)^2 = $75,402.64076

PV3 = $90,000 / (1 + 0.09)^3 = $68,834.46298

PV4 = $90,000 / (1 + 0.09)^4 = $63,271.72223

PV5 = $120,000 / (1 + 0.09)^5 = $84,600.08664

PV6 = $120,000 / (1 + 0.09)^6 = $77,747.47778

PV7 = $120,000 / (1 + 0.09)^7 = $71,394.17768

PV8 = $120,000 / (1 + 0.09)^8 = $65,522.39315

Now, let's sum up the present values to find the present worth:

Present Worth = PV1 + PV2 + PV3 + PV4 + PV5 + PV6 + PV7 + PV8

             = $206,422.01814 + $75,402.64076 + $68,834.46298 + $63,271.72223 + $84,600.08664 + $77,747.47778 + $71,394.17768 + $65,522.39315

             = $713,195.97936

Therefore, the present worth equivalent of these 8 cash flows is $713,196.

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the present worth equivalent of these 8 cash flows is $1,477,041.

The present worth equivalent of the 8 cash flows can be calculated using the concept of present value. We need to discount each cash flow to its present value using the interest rate of 9% per year.

In year 1, the cash flow is $225,000. To calculate its present value, we divide it by (1 + interest rate)^1, which is (1 + 0.09)^1, resulting in a present value of $206,422.

In years 2, 3, and 4, the cash flow increases by $90,000 each year. To calculate their present values, we divide them by (1 + interest rate)^2, (1 + interest rate)^3, and (1 + interest rate)^4, respectively. The present values for these cash flows are $166,201, $129,402, and $100,888.

In years 5, 6, 7, and 8, the cash flow decreases by $120,000 each year. To calculate their present values, we divide them by (1 + interest rate)^5, (1 + interest rate)^6, (1 + interest rate)^7, and (1 + interest rate)^8, respectively. The present values for these cash flows are $314,027, $281,376, $252,586, and $227,139.

Finally, we add up all the present values to get the present worth equivalent of the 8 cash flows: $206,422 + $166,201 + $129,402 + $100,888 + $314,027 + $281,376 + $252,586 + $227,139 = $1,477,041.

Therefore, the present worth equivalent of these 8 cash flows is $1,477,041.

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Answer:

B is wrong the answer is C on edge

Explanation:

To determine the number of water molecules that can be produced by reacting 10 molecules of oxygen with hydrogen, we need to consider the balanced chemical equation for the reaction between oxygen and hydrogen to form water.

The balanced equation is:

2 H2 + O2 → 2 H2O

According to the equation, 2 molecules of hydrogen react with 1 molecule of oxygen to produce 2 molecules of water. This means that the ratio of hydrogen to oxygen is 2:1 in terms of molecules.

Given that we have 10 molecules of oxygen, we can calculate the number of water molecules produced by dividing the number of oxygen molecules by 2 and multiplying by 2.

10 molecules of oxygen / 2 = 5 molecules of water

Therefore, by reacting 10 molecules of oxygen with hydrogen, we can produce 5 molecules of water.

It's important to note that the reaction is balanced assuming ideal conditions, such as stoichiometric amounts of reactants and complete conversion. In reality, reaction conditions and other factors can influence the actual yield of water.

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0.3 moles of Oxygen is excess reactant (reagent) when yield is 100% .

NO =5.6 moles

O2= 3.1 moles

2NO + O2 --> 2NO2 the chemical reaction.

the ratio of NO and O2 is 2:1

therefore for 5.6 moles of NO, 2.8 moles of Oxygen(O2) is required. So 3.1moles - 2.8 moles = 0.3 moles

The reactant in a chemical reaction that is present in a quantity that is larger than what is required to fully react with the limiting yield is known as the excess reactant. The substance(s) still present after a chemical reaction has reached equilibrium in yield are the reactant(s). Subtract the mass of excess reagent eaten from the total mass of excess reagent provided to determine the quantity of yield that is still present. Reactants in a chemical reaction are referred to as excess reagents if they are still present after the reaction is complete.

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The molecular weight (W) of the polyatomic ideal gas is equal to the temperature (T) divided by the volume (V) calculated as 0.123 kJ/(K).

The molecular weight (W) of the polyatomic ideal gas can be determined using the ideal gas equation:

PV = mRT

where:

P = pressure of the gas (in this case, it is not given)

V = volume of the gas (in this case, it is not given)

m = mass of the gas (in kilograms)

R = ideal gas constant (0.123 kJ/(kg.K))

T = temperature of the gas (in Kelvin)

To calculate the molecular weight (W), we need to find the value of m. Since the pressure and volume are not provided, we can rearrange the ideal gas equation as follows:

m = PV / (RT)

Now, let's assume a hypothetical situation where we have 1 kg of the polyatomic ideal gas. In this case, the mass (m) would be equal to 1 kg.

Substituting the values into the equation:

m = (1 kg) * V / (0.123 kJ/(kg.K) * T)

Here, we can see that the units of kilograms (kg) cancel out, leaving us with:

1 = V / (0.123 kJ/(K))

To isolate V, we multiply both sides of the equation by 0.123 kJ/(K):

0.123 kJ/(K) = V

Now, we have the volume (V) in cubic meters. The molecular weight (W) can be calculated using Avogadro's law, which states that equal volumes of gases, at the same temperature and pressure, contain an equal number of molecules.

To calculate the molecular weight (W), we need to determine the number of moles (n) of the gas. The number of moles can be found using the equation:

n = PV / (RT)

However, since the pressure and volume are not provided, we cannot calculate the number of moles directly. Instead, we can make use of the molar mass (M) of the gas, which is the mass of 1 mole of the gas.

The molar mass (M) is related to the molecular weight (W) as follows:

M = W / 1000

Since we assumed a mass of 1 kg earlier, the molar mass (M) can be calculated as:

M = (1 kg) / n

Substituting the value of n from the equation above:

M = (1 kg) / (PV / (RT))

M = RT / PV

Now, substituting the value of R (0.123 kJ/(kg.K)) and rearranging the equation:

M = (0.123 kJ/(kg.K)) * T / (0.123 kJ/(K) * V)

The units of kJ cancel out, leaving us with:

M = T / V

Using the value of V we calculated earlier (0.123 kJ/(K)), we can determine the molecular weight (W) of the polyatomic ideal gas.

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The half-life of the reaction is 50 minutes

Data;

Let the initial concentration of the reaction be X\(_0\)

The reactant left = (1 - 0.45) X\(_0\) = 0.55 X\(_0\) = X

For a first order reaction

\(\ln(\frac{x}{x_o}) = -kt\\ k = \frac{1}{t}\ln (\frac{x_o}{x}) \\ k = \frac{1}{43}\ln (\frac{x_o}{0.55_o})\\ k = 0.013903 min^-^1\)

The half-life of a reaction is said to be the time required for the initial amount of the reactant to reach half it's original size.

\(x = \frac{x_o}{2} \\t = t_\frac{1}{2} \\t_\frac{1}{2} = \frac{1}{k}\ln(\frac{x_o}{x_o/2})\\\)

Substitute the values

\(t_\frac{1}{2} = \frac{1}{k}\ln(2)=\frac{0.6931}{0.013903}\\t_\frac{1}{2}= 49.85 min = 50 min\)

The half-life of the reaction is 50 minutes

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Answer:

Ionic compound

Explanation:

Lithium gives away an electron and Bromine takes an electron

Hope this helps! :)

Lavoisier's Law states:

'Mass is neither created nor destroyed' in chemical reactions.

Answer:

Her speed is 6.8m/s.

Explanation:

K.E= 1/2mv²

or, 2543.2= 1/2×110×v²

or, 2543.2 = 55v²

or, 2543.2/55 = v²

or, 46.24 = v²

or, 6.8² = v²

v = 6.8 m/s

answer

6.8

explanation

k.e=1/2v^2

2543.2=55v^2

46.24=v^2

6.8^2=v^2

v=6.8

To calculate the error between your calculated specific heat of each metal and the known values in Table C, you should use the following formula: Error = ((calculated specific heat of metal - known specific heat of metal) / known specific heat of metal) * 100.

In the last step of the lab, you need to calculate the error between your calculated specific heat of each metal and the known values in Table C. To do this, you will return to Step 10 in your Lab Guide and follow the directions provided. The formula you will use is:

Error = (calculated metal - known metal) / (known Cmetal) x 100

This formula will give you the percentage error between your calculated values and the known values in Table C. To calculate the error for each metal, simply plug in the values for the specific heat you calculated and the known value for that metal from Table C. Make sure to follow the directions carefully in your Lab Guide to ensure accurate calculations.

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The process described, which involves sharing power with employees to enhance their confidence and belief in their ability to contribute to the organization, is known as empowerment.

The correct option is A. Empowerment

Empowerment refers to the process of delegating power and authority to employees, granting them the autonomy and decision-making capabilities to perform their jobs effectively. It involves sharing power and responsibility, allowing employees to take ownership of their work and contribute to the organization in a meaningful way. By empowering employees, organizations aim to enhance their confidence, job satisfaction, and motivation, leading to improved performance and productivity.

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To calculate the molarity of cinoxate in 100 ml of sunscreen B16, we need to know the mass of cinoxate present in 100 ml of B16.

First, we can calculate the mass of B16 by multiplying its density (1.0 g/ml) by its volume (100 ml), which gives us 100 g.
Next, we can calculate the moles of cinoxate by dividing the mass of cinoxate by its molar mass. The molar mass of cinoxate is given as 250 g/mol.

Since we don't have the mass of cinoxate, we cannot provide a long answer to your question. However, if you provide the mass of cinoxate, I would be happy to help you calculate the molarity.

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Answer:

Dry ice is the solid form of carbon dioxide (CO 2), a molecule consisting of a single carbon atom bonded to two oxygen atoms. Dry ice is colorless, odorless, and non-flammable, and can lower the pH of a solution when dissolved in water, forming carbonic acid (H 2 CO 3).

Explanation: i asked my teacher and this was her response.

If only the atomic number of an atom is known, it is possible to determine the number of protons in the nucleus of the atom as well as the chemical properties of the element.

Therefore, knowing the atomic number of an element can tell us the following information about an atom: The number of protons in the nucleus of the atom is equivalent to the atomic number.

The element name (which is distinct from other elements due to their different atomic numbers), The electronic configuration of the element, The chemical properties of the element. Additionally, the atomic number of an element also provides information about its isotopes, because isotopes of an element vary only in the number of neutrons, not the number of protons (which is equivalent to the atomic number)

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