1. A 32.5-liter balloon holding 3.5 moles of carbon dioxide leaks. If we determine that 2.1 moles of carbon dioxide escaped before the container could be sealed, what is the new volume of the container?​

Answers

Answer 1

The new volume of the container is approximately 12.96 liters.

What is the new volume of the container?​

Assuming that the temperature and pressure remain constant, we can use the ideal gas law to solve for the new volume of the container. The ideal gas law relates the pressure, volume, number of moles, and temperature of a gas as follows:

PV = nRT

where;

P is the pressure, V is the volume, n is the number of moles,R is the ideal gas constant, and T is the temperature.

To solve for the new volume, we can use the following steps:

Calculate the initial number of moles of carbon dioxide in the container:

n1 = 3.5 moles

Calculate the final number of moles of carbon dioxide in the container:

n2 = 3.5 moles - 2.1 moles = 1.4 moles

Substitute the values for n1, n2, and the initial volume (V1 = 32.5 L) into the ideal gas law and solve for the final volume (V2):

P V1 = n1 R T

P V2 = n2 R T

Dividing the second equation by the first, we get:

V2 / V1 = n2 / n1

Substituting the values for n1, n2, and V1, we get:

V2 / 32.5 L = 1.4 moles / 3.5 moles

Solving for V2, we get:

V2 = (1.4 moles / 3.5 moles) * 32.5 L

V2 = 12.96 L

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Related Questions

What do the dark areas in the large cells
represent? Explain your reasoning.

Answers

Answer:I think your talking about the chromatin

Explanation: There dark

To goal of the hypothesis is to make an educated guess on what will happen when comparing the viscosity of the paint, honey, and dish soap from most to less viscous (all liquids). What do you think will happen and why. Please provide at least 2 paragraphs that paraphrased background information and research.

Answers

A liquid's viscosity is a measurement of its flow resistance. A liquid's resistance to flow increases with its viscosity. Due to its high density and high molecular weight, honey is regarded as an extremely viscous liquid. Honey has a high viscosity since it is mostly composed of glucose and fructose.

Conversely, paint and dish soap is less viscous because they are not as heavy or dense as honey. The mixture of pigments, solvents, and additives used to make paint gives it a variety of viscosities. Due to its low molecular weight and the presence of surfactants, dish soap often has a low-viscosity liquid.

On the basis of this data, it can be predicted that dish soap will have the lowest viscosity, followed by paint, and then honey. This is true because paint and dish soap have lower molecular weights and are lighter and less dense than honey, which is a viscous, dense liquid with a high molecular weight.

Temperature and pressure have an impact on a liquid's viscosity as well, so it is important to regulate these variables when testing this idea experimentally to assure accuracy. As different brands and formulas might differ in their composition and viscosity, it is also crucial to keep in mind that the type and quality of the paint and dish soap under test may have an impact on the findings of the viscosity test.

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calculate the mole fraction of HCl in a 9.8% (by mass) aqueous solution. the density of the solution is 1.03 g/mL

Answers

The mole fraction of HCl in the given solution is 0.051.

What is the mole fraction of the HCL?

To calculate the mole fraction of HCl in the given solution, we need to first find the mass of HCl and water present in the solution.

Let's assume we have 100 g of the solution, so 9.8 g of it is HCl, and 90.2 g is water.

Next, we need to find the moles of HCl present in the solution.

To do this, we divide the mass of HCl by its molar mass.

The molar mass of HCl is 36.46 g/mol (1.01 g/mol for hydrogen + 35.45 g/mol for chlorine).

moles of HCl = 9.8 g / 36.46 g/mol = 0.269 mol

The moles of water can be calculated using its molar mass which is 18.015 g/mol.

moles of water = 90.2 g / 18.015 g/mol = 5.005 mol

The total number of moles in the solution is the sum of the moles of HCl and water.

total moles = 0.269 mol + 5.005 mol = 5.274 mol

The mole fraction of HCl can now be calculated by dividing the moles of HCl by the total number of moles.

mole fraction of HCl = 0.269 mol / 5.274 mol = 0.051

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The Kp for the reaction A (g) ⇌ 2 B (g) is 0.0110. What is Kp for the reaction 2 B (g) ⇌ A (g)?

Answers

1/0.0110 = 99.9. = Kp

how many hydrogen atoms are in 2 moles of h2o?

Answers

Answer:

1 mole = 6.022×10^23 atoms. 1 water molecule = 2 Hydrogen atoms + 1 oxygen atom. So, 1 mole H2O = 1.2044×10^24 hydrogen atoms. Therefore 2 mole H2O will have 2.4088×10^24 hydrogen atoms.

Explanation:

The acid should be handled with great care why?​

Answers

Acids have a strong tendency to corrode. Acid splashing on our flesh can result in severe burns and skin irritation. Therefore, when managing acids, we should exercise caution.

Should one manage strong acids with caution?

Although acids and bases are frequently used in a wide range of industrial applications, it's essential to keep in mind that they are hazardous waste and should be handled carefully.

How should laboratory chemicals be handled?

When working with concentrated acids or acid solutions, put on chemical splash goggles, chemical-resistant mittens, and a chemical-resistant apron. In a fume cover, work with concentrated acids. In accordance with your requirements, purchase diluted acid solutions. It is safer and simpler to manage, store, and use diluted solutions.

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Which of these is not a sign of a chemical reaction?
1. The material dissolves
2. Heat is released
3. A gas is given off

Answers

A chemical reaction is known by;

2. Heat is released

3. A gas is given off

How do you know a chemical reaction?

A change in color may indicate that a chemical reaction has occurred. For example, when iron is exposed to air and moisture, it rusts and turns from silver to reddish-brown.

If a gas is produced during a reaction, it can indicate that a chemical reaction has occurred. For example, when baking soda is mixed with vinegar, carbon dioxide gas is produced, which causes bubbles to form.

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42 grams of nitrogen gas react with
13 grams of hydrogen gas. What is the
limiting reactant and how many grams of
ammonia will be produced?
N2 + 3H22NH3
A) H2; 74 grams NH3 produced
B) H2; 4.3 grams NH3 produced
C) N2; 3.0 grams NH3 produced
D) N2; 51 grams NH3 produced

Answers

Answer:

d

Explanation:

Nitrogen is the limiting reactant.

42 g N2x (1mole N2/28 g N2) X (2 moles NH3/ 1mole N2) X (17 grams NH3/1mole NH3) = 51 g

13 g H2 x (1 mole H2/2 g H2) X (2 moles NH3/3moles H2) X (17 g NH3/1mole NH3) =73.66g

since 51 is smaller than 73.66 and it started with N2 that is why N2 is the limiting reactant)

Convert 675000 to scientific notation

Answers

Answer:

To convert 675000 to scientific notation, we need to express it in the form a × 10^n, where a is a number between 1 and 10 (but not 10 itself), and n is an integer.

Starting with 675000, we can divide by 10 repeatedly until we get a number between 1 and 10.

675000 ÷ 10 = 67500 (one division by 10)

67500 ÷ 10 = 6750 (two divisions by 10)

6750 ÷ 10 = 675 (three divisions by 10)

Now we have a number between 1 and 10 (namely, 6.75), and we know that we divided by 10 three times, so the exponent is -3.

Therefore, we can express 675000 in scientific notation as:

6.75 × 10^5

(Note that we could also express it as 6.75 × 10^2 × 10^3, but this is not in standard scientific notation, which requires the coefficient to be between 1 and 10.)

What is the percent of O in
Ca(С2H302)2?
(Ca = 40.08 g/mol, C = 12.01 g/mol,
H= 1.01 g/mol, O = 16.00 g/mol)

Answers

40.5%

Explanation:

Ca×1 = 40

C×4 = 48

H×6 = 6

O×4 = 64

64÷158×100% = 40.5%

Match these

Hypothesis
Independent Variable
Conclusion

Amount of water
if a plant receives more water it will grow more
100mL of water yielded the highest mass and height of plants

Answers

The conclusion is the result of the experiment, which supports the hypothesis by stating that 100mL of water yielded the highest mass and height of plants.

Hypothesis: If a plant receives more water, it will grow more.

Independent Variable: Amount of water.

Conclusion: 100mL of water yielded the highest mass and height of plants.

In this experiment, Hypothesis states the relationship between the independent variable and the dependent variable. The independent variable is the amount of water, and the dependent variable is the growth of the plants.

The conclusion is the result of the experiment, which supports the hypothesis by stating that 100mL of water yielded the highest mass and height of plants.

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Does electronegativity increase or decrease when you go across a period on the
periodic table? Does it increase or decrease when you move down a group on the
periodic table?

Answers

Answer:

Explanation:

The element with the highest electronegativity is Flourine.  Its value is 4.  Thus it increases across a period.  

Its trend is it increases from left to right and up the groups.  So it will decrease going down the group.  

For the following chemical reaction:

In the laboratory, a chemist mixed aqueous barium chloride with aqueous potassium oxide which produced solid barium oxide and aqueous potassium chloride

A. Write the complete balanced chemical equation, including phase labels.

B. Identify the type of reaction that has occurred.

C. Identify the indicator that tells you a chemical reaction has occurred.

Answers

A. The balanced chemical equation with phase labels is: BaCl2 (aq) + K2O (aq) → BaO (s) + 2KCl (aq)

B. This is a double displacement or metathesis reaction, as the cations and anions of the reactants switch places to form new compounds.

C. The indicator that a chemical reaction has occurred is the formation of a solid (BaO) and the disappearance of the reactants (BaCl2 and K2O) as they react to form products (BaO and KCl).

What is balanced chemical equation?

A balanced chemical equation is a representation of a chemical reaction using chemical formulas of the reactants and products, and coefficients to indicate the relative numbers of each.

The coefficients are used to balance the equation such that the number of atoms of each element in the reactants is equal to the number of atoms of the same element in the products.

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According to one acid-base theory, a molecule acts as an acid
when the molecule
(1) accepts an H+
(2) accepts an OH-
(3) donates an H+
(4) donates an OH-

Answers

The Brnsted-Lowry acid-base hypothesis states that when a molecule gives a proton (H+ ion) to another molecule, it behaves as an acid. As a result, the right response is (3) donates an H+.

According to one acid base theory, what is an acid?

The Arrhenius theory states that acid is a chemical that causes water to create hydrogen ions. Base is a chemical that causes water to form hydroxide ions.

What underlies acid-base titration's basic premise?

A neutralisation reaction takes place during the acid-base titration. Here, the concentration of a particular base or acid is ascertained by neutralisation against an acid or base of known concentration. This kind of titration begins with a drop of an indicator, which changes colour to show the endpoint.

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When a protonated epoxide is attacked by water, the nucleophile attacks from the ___________ in an __________ process.

Answers

When a protonated epoxide is attacked by water, the nucleophile attacks from the "top" or "front" of the epoxide ring in an "S_N2" substitution nucleophilic bimolecular process.

What is protonated epoxide ?

A protonated epoxide is a molecule that contains an epoxide ring (a three-membered ring consisting of two carbon atoms and one oxygen atom) that has been protonated, or had a hydrogen ion (H+) added to it.

The protonation of an epoxide ring can occur in the presence of an acidic medium, such as a strong acid like sulfuric acid (H2SO4) or hydrochloric acid (HCl).

In acidic conditions, the lone pair of electrons on the oxygen atom of the epoxide ring can interact with the positively charged hydrogen ion, resulting in the formation of a protonated epoxide.

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. An IV solution contains 0.0175% of Drug Z, how much of this IV solution should we infuse, if the patient needs 100 mg of Drug Z?
If this solution is infusing at 50 ml/hr, how long will it take take to complete the infusion? Hint: 1mg = 0.001g or ml.

Answers

The infusion will be finished in 114.286 hours.

We need to infuse 100 mg of Drug Z. Since the IV solution contains 0.0175% of Drug Z, we can calculate the amount of IV solution needed for the infusion.

To do this, we need to use the following formula:

Amount of IV solution = [tex]\frac{(Amount of Drug Z * 100) }{ Concentration of Drug Z}[/tex]

Amount of IV solution = [tex]\frac{(100 mg * 100) }{0.0175 \% }[/tex]

Amount of IV solution = 5,714.286 ml

To calculate how long it will take to complete the infusion, we need to use the following formula:

Time to complete infusion =[tex]\frac{Amount of IV solution }{ Rate of infusion }[/tex]

Time to complete infusion =[tex]\frac{ 5,714.286 ml }{ 50 ml/hr }[/tex]

Time to complete infusion = 114.286 hr

Therefore, it will take 114.286 hours to complete the infusion.

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What is the IUPAC name for the compound shown?

Answers

The IUPAC name of the compound is 3-Ethyl-2,2-dimethylhexane.

IUPAC naming

IUPAC naming is a systematic method of naming chemical compounds according to a set of rules established by the International Union of Pure and Applied Chemistry. It ensures that each compound has a unique and unambiguous name based on its molecular structure.

From the image:

The longest chain has 6 carbonThe compound is an alkane, thus, the principal chain is a hexaneThere are 2 methyls (CH3) on the second carbonThere is 1 ethyl (C2H5) on the third carbon.

Thus, the IUPAC name of the compound is 3-Ethyl-2,2-dimethylhexane.

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What is another example, in real life, where we can prove that gases exist even though we can not see them? Explain why you believe this is a good example.

Answers

Well, us human being rely on [tex]o_{2}[/tex] (oxygen). We human beings breathe this in every day because we need it to survive. This is a good example because it explains how humans don't see [tex]o_{2}[/tex] but use it every day.

What is the volume on 13.44g of O2 gas at STP?

Answers

given grams x 1 mol O2 / molar mass of element x conversion / 1.00 mol O2

550.0 mL of air is at 20.0 °C. What is the volume at 60.0 °C?

Answers

At 60.0 °C, the air has a volume of 1650.0 mL.

At constant pressure, the volume of a gas is directly proportional to its temperature.This means that when the temperature increases, the volume of the gas also increases.

At 20.0 °C, the volume of the air is 550.0 mL.

Using the formula [tex]V2 = V1 *\frac{ T2}{T1}[/tex], where the initial volume and temperature are V1 and T1, respectively, and the end volume and temperature are V2 and T2, respectively.

we can calculate the volume of the air at 60.0 °C.

[tex]V2 = 550.0 mL * (\frac{60.0 \°C}{20.0 \°C})[/tex]

V2 = 1650.0 mL

Therefore, the volume of the air at 60.0 °C is 1650.0 mL.

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Instead of using an indicator, what other methods would you suggest using in the titration? And which method would provide the most accurate measurement?

Answers

A different approach is to use a pH meter to keep track of the solution's pH while the titrant is introduced. As the titrant is added, the solution's pH changes; the endpoint can be identified when this happens.

Because it gives a more accurate measurement of the endpoint, this method is more accurate than utilizing an indicator.

Titration

A conductivity meter can also be used to gauge the solution's conductivity as the titrant is applied. As the titrant is added, the solution's conductivity varies, and the endpoint can be identified when this change ends.

Although it is less popular, this approach is also more accurate than utilizing an indication.

Overall, the pH meter approach is probably going to give the most accurate reading because it can spot even the smallest pH changes and gives a more exact reading of the endpoint.

However, the particular experiment and the available resources will determine the method to use.

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For the following diagram, select all statements that are true. (Picture provided)

Answers

According to given Information:

The energy change of the reaction is -20kJ  is true statement, This is exothermic reaction.

What is exothermic?

Exothermic meaning that the products of the reaction have lower energy than the reactants.

The negative value of the energy change (-20kJ) indicates that energy is released during the reaction.

What is energy change?

Energy change refers to the difference in energy between the products and reactants of a chemical reaction. If the energy change is positive, it means that energy is absorbed by the reaction and the reaction is endothermic.

If the energy change is negative, it means the energy is released by the reaction and the reaction is exothermic. The magnitude of the energy change provides information about the amount of energy that is released or absorbed during the reaction

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A percent composition analysis yields 52.1% carbon, 13.2% hydrogen, and 34.7% oxygen. What is the empirical formula for the compound?

Answers

O:C:H ratio is 34.8/16/52.2/12/13/0/1 = 2.17/4.35/13/0 = 1:2/6. Hence, C2H6O is the empirical formula (option D).

What purposes does hydrogen serve?

Fuel cells may produce heat and energy from hydrogen. Although transportation and utilities are expanding businesses, fertilizer manufacturing and petroleum refining still use hydrogen most frequently today.

Can hydrogen be burned as fuel?

According to the 1992 Energy Policy Act, hydrogen qualifies as an alternative fuel. The ability of hydrogen to power fuel cell technology in zero-emission vehicles, the potential for home consumption, and the high efficiency and quick filling time of fuel cells all contribute to the interest in hydrogen as such an alternative transportation fuel.

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In the reaction NH3(g) + O2(g) → NO(g) + H₂O(g) How many grams of H₂0 are generated when 1.54 moles of NH3 react?​

Answers

Answer: 2.31 mole H2O

Explanation: blance the equation first

4 NH3 +   5O2   --> 4 NO + 6 H20

1.54 moles NH3 x ( 6 mole H20/ 4 moles NH3) X (18 g H20/1mole H20)

2.31 mole H20

How many significant figures are in 6.07×10^14

Answers

Answer:3

Explanation: counting from left to right there is 3 sig figs.

The temperature of an object increases by 38.1 °C when it absorbs 3647 J of heat. Calculate the heat capacity of the object.

Answers

The heat capacity of an object is defined as the amount of heat required to raise its temperature by 1 degree Celsius (or 1 Kelvin). It is denoted by the symbol "C" and has units of J/°C (Joules per degree Celsius) or J/K (Joules per Kelvin).

We can use the formula for heat capacity to calculate its value for the object:

[tex]C = \dfrac{Q}{\Delta T}[/tex]

where:

Q is the amount of heat absorbed by the object andΔT is the change in temperature of the object.

Substituting the given values, we get:

[tex]C = \dfrac{3647 \: J }{ 38.1\: ^{\circ}C}[/tex]

Note that the units of temperature must match (either Celsius or Kelvin) in order for the calculation to be correct. Since the given change in temperature is in Celsius, we can use Celsius for the units of heat capacity as well.

Dividing, we get:

[tex]C = 95.8 \: J/^{\circ}C[/tex]

Therefore, the heat capacity of the object is 95.8 J/°C. This means that it requires 95.8 Joules of heat to raise the temperature of the object by 1 degree Celsius (or Kelvin).

[tex]\rule{200pt}{5pt}[/tex]

Part 1: How many oxygen atoms are in one mole of the formula Al2(CO3)3?
Part 2: How many moles of carbon are in 3.5 moles of calcium carbonate?

Answers

There are therefore a total of 14 atoms: 2 Al, 3 C, & 9 O. In other words, 3.5 moles of calcium carbonate will contain 3.5 moles if carbon because each mole of calcium carbonate has one mole of carbon.

How is carbon in CaCO3 calculated?

Hence, 40.078 divided by 100.086 everything multiplied by 100% represents the mass percentage for calcium in calcium carbonate. This yields a value of almost 40%. Carbon's mass percentage is calculated by taking 12.011 and dividing it by 100.086, then multiplying that result by 100% to get a number of roughly 12 percent.

How many oxygen atoms make up Al2O3?

The subscripts (2 and 3) in this formula indicate how so many atoms will make up one unit of the molecule. There are two aluminium atoms and three oxygen atoms, respectively, denoted by the numbers 2 and 3.

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What could be the effects of polluting the water in a small mountain stream?


(A) the pollutants could hurt the fish living in the stream

(B) the pollutants could hurt the vegetation growing along the stream

(C)the pollutants could hurt the organisms living in the lake that the stream feeds into

(D)all of the above

Answers

Answer:

Explanation:

The pollutants can cause algae to grow quickly. These 'blooms' of algae may produce toxins that harm other life in the river. When the algae die and decay, this uses up much of the oxygen in the stream. Without enough oxygen in the water, invertebrates and fish will suffocate .

Answer:

D, all of the above.

Explanation:

Pollutants have many bad effects on living beings around. All of stated in the answer options makes sense.

What must the atoms of products equal in a chemical equation?
O atoms in molecules
O electrons in atoms
O protons in atoms
O atoms of reactants
20pts

Answers

Answer:

D

Explanation:

The pressure of a gas will ? when the volume is decreased and will ? when the absolute temperature is decreased.

Answers

Answer:

Explanation:

Pressure and volume are indirectly related.

Pressure and temperature are directly related.

so first ? is increase

2nd ? is decrease

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