A 1-L soda bottle contains dissolved carbon dioxide gas. Which bottle would have the highest concentration of dissolved gas?

QUESTION POSTED AT 14/02/2020 - 02:34 PM

Answered by admin AT 14/02/2020 - 02:34 PM

The sealed bottle would have the highest concentration of Carbon Dioxide because the pressure is highest and there was no time for diffusion.
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Related questions

Classify this statement as always true, AT; sometimes true, ST; or never true, NT. To obtain a value for the number of moles using the ideal gas law, one uses the conditions of STP.

AT, STP in chemistry is the abbreviation for Standard Temperature and Pressure. STP most commonly is used when performing calculations on gases, such as gas density

ANSWERED AT 28/02/2020 - 05:11 PM


QUESTION POSTED AT 28/02/2020 - 05:11 PM

If you have 5.55g of hcl dissolved into a 500 ml aqueous solution, what is the ph of the solution

Salts are composed of positive and negative ions packed closely together in a crystal lattice. The crystal is held together by the ionic forces among oppositely charged particles in the solid. When a crystal of a salt is placed in water, the polar water molecules arrange their dipoles around the ions of the crystal in such a way as to attract the ions. For example, a positive ion at a corner of the crystal will be surrounded by a group of water molecules aiming the negative end of their dipoles at the positive ion. If the forces of attraction of the water molecules for the positive ion are larger than the ionic forces holding the ion in the crystal, then the ion will leave the crystal and enter solution. See Figure 15.2
8. Carbon dioxide is somewhat soluble in water, especially if pressurized (otherwise, the soda you may be drinking while studying Chemistry would be “flat”). Carbon dioxide’s solubility in water is approximately 1.5 g/L at 25°C under a pressure of approximately 1 atm. Although the carbon dioxide molecule overall is non-polar, that is because the two individual C–O bond dipoles cancel each other due to the linearity of the molecule. However these bond dipoles are able to interact with water, making CO2 more soluble in water than non-polar molecules such as O2 or N2 that do not possess individual bond dipoles.

ANSWERED AT 28/02/2020 - 04:34 PM


QUESTION POSTED AT 28/02/2020 - 04:34 PM

If 0.5 gramd of hcl is dissolved in 500 ml of solution what is the ph

Salts are composed of positive and negative ions packed closely together in a crystal lattice. The crystal is held together by the ionic forces among oppositely charged particles in the solid. When a crystal of a salt is placed in water, the polar water molecules arrange their dipoles around the ions of the crystal in such a way as to attract the ions. For example, a positive ion at a corner of the crystal will be surrounded by a group of water molecules aiming the negative end of their dipoles at the positive ion. If the forces of attraction of the water molecules for the positive ion are larger than the ionic forces holding the ion in the crystal, then the ion will leave the crystal and enter solution. See Figure 15.2
8. Carbon dioxide is somewhat soluble in water, especially if pressurized (otherwise, the soda you may be drinking while studying Chemistry would be “flat”). Carbon dioxide’s solubility in water is approximately 1.5 g/L at 25°C under a pressure of approximately 1 atm. Although the carbon dioxide molecule overall is non-polar, that is because the two individual C–O bond dipoles cancel each other due to the linearity of the molecule. However these bond dipoles are able to interact with water, making CO2 more soluble in water than non-polar molecules such as O2 or N2 that do not possess individual bond dipoles.

ANSWERED AT 28/02/2020 - 04:34 PM


QUESTION POSTED AT 28/02/2020 - 04:34 PM

A certain vinegar is 6.02% acetic acid (hc2h3o2, by mass. how many grams of acetic acid are contained in a 355 ml bottle of vinegar. assume a density of 1.01 g/ml.

First, determine the amount of vinegar in grams by multiplying the volume by the density. That is,
                                        mass = (355 ml) x (1.01 g/mL) = 358.55 g
Then, multiply the calculated mass above by the decimal equivalent of the given percentage above. 
                      amount of acetic acid = (358.55 g)(0.0602) = 21.58 g

ANSWERED AT 28/02/2020 - 04:11 PM


QUESTION POSTED AT 28/02/2020 - 04:11 PM

What chemical is in plastic bottle and how it affect humans?

BPA, or bisphenol A, is in most plastics and it is toxic to humans because it can bind to the estrogen hormone and greatly alter your body's natural functions from there. It can also bind to your thyroid hormone.

ANSWERED AT 28/02/2020 - 03:44 PM


QUESTION POSTED AT 28/02/2020 - 03:44 PM

What is the empirical formula for a compound that is a 83.7% carbon and 16.3% hydrogen

The empirical formula for a compound that is a 83.7% carbon and 16.3% hydrogen is CH2

ANSWERED AT 28/02/2020 - 03:23 PM


QUESTION POSTED AT 28/02/2020 - 03:23 PM

In what phase of matter do particles fill the entire container in which their placed? A. Liquid B. Gas C. Solid D. Frozen

Answer:

gas

Explanation:

ANSWERED AT 28/02/2020 - 02:39 PM


QUESTION POSTED AT 28/02/2020 - 02:39 PM

Suppose 13.00 mL of 0.100 M barium hydroxide is required to neutralize 17.00 ml of nitric acid with an unknown concentration. What is the concentration of the nitric acid. Express your answer in mol/L

The concentration of {\text{Ba}}{\left( {{\text{OH}}} \right)_2}solution is \boxed{{\text{0}}{\text{.076 M}}}

Further Explanation:

The concentration is the proportion of substance in the mixture. The most commonly used concentration terms are as follows:

1. Molarity (M)

2. Molality (m)

3. Mole fraction (X)

4. Parts per million (ppm)

5. Mass percent ((w/w) %)

6. Volume percent ((v/v) %)

Molarity is a concentration term that is defined as the number of moles of solute dissolved in one litre of the solution. It is denoted by M and its unit is mol/L.

The molarity equation is given by the following expression:

{{\text{M}}_{\text{1}}}{{\text{V}}_{\text{1}}} = {{\text{M}}_{\text{2}}}{{\text{V}}_{\text{2}}}

Here,

{{\text{M}}_{\text{1}}} is the molarity of the first solution.

{{\text{V}}_{\text{1}}} is the volume of the first solution.

{{\text{M}}_{\text{2}}} is the molarity of the second solution.

{{\text{V}}_{_{\text{2}}}} is the volume of the second solution.

In the concerned question, {\text{Ba}}{\left( {{\text{OH}}} \right)_2}is neutralized by {\text{HN}}{{\text{O}}_{\text{3}}}. So molarity equation becomes,

{{\text{M}}_{{\text{Ba}}{{\left( {{\text{OH}}} \right)}_2}}}{{\text{V}}_{{\text{Ba}}{{\left( {{\text{OH}}} \right)}_2}}} = {{\text{M}}_{{\text{HN}}{{\text{O}}_{\text{3}}}}}{{\text{V}}_{{\text{HN}}{{\text{O}}_{\text{3}}}}}                           …… (1)

Here,

{{\text{M}}_{{\text{Ba}}{{\left( {{\text{OH}}} \right)}_2}}} is the molarity of {\text{Ba}}{\left( {{\text{OH}}} \right)_2} solution.

{{\text{V}}_{{\text{Ba}}{{\left( {{\text{OH}}} \right)}_2}}}is the volume of {\text{Ba}}{\left( {{\text{OH}}} \right)_2}solution.

{{\text{M}}_{{\text{HN}}{{\text{O}}_{\text{3}}}}} is the molarity of {\text{HN}}{{\text{O}}_{\text{3}}}solution.

{{\text{V}}_{{\text{HN}}{{\text{O}}_{\text{3}}}}} is the volume of {\text{HN}}{{\text{O}}_{\text{3}}}solution.

Rearrange equation (1) to calculate {{\text{M}}_{{\text{HN}}{{\text{O}}_{\text{3}}}}}.

{{\text{M}}_{{\text{HN}}{{\text{O}}_{\text{3}}}}} = \frac{{{{\text{M}}_{{\text{Ba}}{{\left( {{\text{OH}}} \right)}_2}}}{{\text{V}}_{{\text{Ba}}{{\left( {{\text{OH}}} \right)}_2}}}}}{{{{\text{V}}_{{\text{HN}}{{\text{O}}_{\text{3}}}}}}}                                       …… (2)

The value of {{\text{V}}_{{\text{Ba}}{{\left( {{\text{OH}}} \right)}_2}}} is 13 mL.

The value of {{\text{M}}_{{\text{Ba}}{{\left( {{\text{OH}}} \right)}_2}}} is 0.100 M.

The value of {{\text{V}}_{{\text{HN}}{{\text{O}}_{\text{3}}}}} is 17 mL.

Substitute these values in equation (2).

\begin{aligned}{{\text{M}}_{{\text{HN}}{{\text{O}}_{\text{3}}}}}&=\frac{{\left( {{\text{0}}{\text{.100 M}}} \right)\left( {{\text{13 mL}}} \right)}}{{\left( {{\text{17 mL}}}\right)}}\\&=0.{\text{07647 M}}\\&\approx {\text{0}}{\text{.076 M}}\\\end{aligned}

Hence the concentration of barium hydroxide solution is 0.076 M.

Learn more:

1. What is the mass of 1 mole of viruses: brainly.com/question/8353774

2. Determine the moles of water produced: brainly.com/question/1405182

Answer details:

Grade: Senior School

Subject: Chemistry

Chapter: Concentration terms

Keywords: molarity, 13 mL, 17 mL, 0.076 M, Ba(OH)2, M1, V1, M2, V2, HNO3, 0.100 M, molarity, volume.

ANSWERED AT 28/02/2020 - 02:39 PM


QUESTION POSTED AT 28/02/2020 - 02:39 PM

Which of the phases below are NOT able to be compressed A. Solid only B. Liquid only C. Gas and Liquid D. Solid and liquid

Solid only, you can compress a liquid VERY little but it can be compressed.

ANSWERED AT 28/02/2020 - 02:31 PM


QUESTION POSTED AT 28/02/2020 - 02:31 PM

Which molecule is polar, based on structure? sulfur dioxide carbon disulphide ethylene carbon tetrachloride

Answer:  Sulphur Dioxide

Explanation:  Polarity of the molecule is basically based on -

a) Electro negativity of the individual atoms

b) Structure of the molecule as change will dipole moment or asymmetric structure will lead to the polar molecule.

Sulfur Dioxide has bent structure with 2 lone pairs and 2 bond pairs. . Thus the molecule is polar

Carbon disulfide has linear structure. Thus there will be no change in dipole moment in the structure thus in non polar.

Ethylene molecule is the most linear molecule thus cannot be polar.

Carbon Tetra chloride is in shape of Tetrahedron thus it is also non polar as no net change in dipole moment can be seen.

ANSWERED AT 28/02/2020 - 02:07 PM


QUESTION POSTED AT 28/02/2020 - 02:07 PM

When 10g of calcium carbonate is heated,4.4g of carbon dioxide escape out. The amount of residue left is:

The dissociation of calcium carbonate, CaCO3, to simpler compounds can be expressed as,
                        CaCO3 --> CaO + CO2
The precipitate is CaO and its amount is calculated through the difference which will give us the answer of 5.6 g. 

ANSWERED AT 28/02/2020 - 01:38 PM


QUESTION POSTED AT 28/02/2020 - 01:38 PM

Since no electromagnetic radiation escapes from astronomers locate them by looking for x-rays from gas accelerating toward them

This sounds really hard good luck

ANSWERED AT 28/02/2020 - 01:34 PM


QUESTION POSTED AT 28/02/2020 - 01:34 PM

How many grams of oxygen gas must react to give 2.10g of ZnO?

The chemical reaction is written as:

2Zn + O2 = 2ZnO

We are given the amount of the product to be produced from the reaction. We use this value and the relation of the substances in the reaction to calculate what is asked. We do as follows:

2.10 g ZnO ( 1 mol / 81.408 g ) ( 1  mol O2 / 2 mol ZnO ) ( 32 g / 1 mol ) = 0.414 g O2 is needed

ANSWERED AT 28/02/2020 - 12:46 PM


QUESTION POSTED AT 28/02/2020 - 12:46 PM

Why can gas be smelled from your kitchen into your bedroom? Thanks!

Gasses are buoyant enough to float long distances.

ANSWERED AT 28/02/2020 - 11:52 AM


QUESTION POSTED AT 28/02/2020 - 11:52 AM

How fast a reactant is used up to how fast a product is formed is _____. A.)the equilibrium B.)the rate of reaction C.)solution concentration D.)the catalyst

Answer: Option (B) is the correct answer.

Explanation:

The rate of a reaction is defined as how rapidly the reactants convert into products.

There are various factors which can help in increasing the rate of a reaction like addition of a catalyst, temperature, change in concentration etc.

Thus, we can conclude that out of the given options how fast a reactant is used up to how fast a product is formed is the rate of reaction.

ANSWERED AT 28/02/2020 - 11:32 AM


QUESTION POSTED AT 28/02/2020 - 11:32 AM

A gas occupies a volume of 34.5 L at 87.5 kPa and 23.5 C. The container can expand to the volume of 45.5 L. If conditions change to 59.7 kPa and 33.6 C will the container be able to contain the resulting gas volume?

The answer is no because if you use the combined gas law the volume would come out to be 52.3 liters.

ANSWERED AT 28/02/2020 - 11:18 AM


QUESTION POSTED AT 28/02/2020 - 11:18 AM

Calculate the molar concentration of an aqueous solution of NH3 at 10.9%w (d = 950 g L-1).

Molar concentration has units of moles of solute per liter of solution. Given the percent by mass and the density of the solution, we ca easily convert the concentration into molarity as  follows:

10.9 g NH3 / 100 g solution ( 950 g / L ) ( 1 mol / 17.04 g ) = 6.08 mol NH3 / L solution 

ANSWERED AT 28/02/2020 - 11:01 AM


QUESTION POSTED AT 28/02/2020 - 11:01 AM

The following two experiments are carried out with anhydrous potassium chloride and observations X and Y are made at the end of each experiment. Concentrated sulfuric acid is added to the potassium chloride and the fumes produced are bubbled into aqueous potassium iodide solution - observation X. The potassium chloride is dissolved in aqueous ammonia and this is then added to aqueous silver nitrate - observation Y. What are the observations X and Y?

Answer:

Observation X: The aqueous potassium iodide solution becomes yellow in color

Observation Y: A clear, colorless solution is observed.

Explanation:

Experiment 1

When Concentrated sulfuric acid is added to potassium chloride, hydrogen chloride gas is produced:

H₂SO₄ + 2KCl ⇒ 2HCl (g) + K₂SO₄

When the HCl gas is bubbled into aqueous potassium iodide, a redox reaction takes place at room temperature when energy is provided in the form of light:

4H⁺ + 4I⁻ + O₂ ⇒ 2I₂ + 2H₂O

The iodine causes the solution to become yellow in color (or darker yellow/brown at high concentrations of iodine).

Experiment 2:

When potassium chloride in aqueous ammonia is added to aqueous silver nitrate, the following net reaction occurs:

Ag⁺ + 2NH₃ ⇒ [Ag(NH₃)₂]⁺

The silver reacts with ammonia rather than chloride as ammonia is a better ligand in this case. The ammonia complex is soluble in water.

Thus, a clear, colorless solution will be observed.

ANSWERED AT 28/02/2020 - 10:48 AM


QUESTION POSTED AT 28/02/2020 - 10:48 AM

Please determine the concentration of fe in the original solution

You need to give us the rest of the problem if you want us he answer it

ANSWERED AT 28/02/2020 - 07:57 AM


QUESTION POSTED AT 28/02/2020 - 07:57 AM

In a hydrogen fuel cell, hydrogen gas and oxygen gas are combined to form water. write the balanced chemical equation describing this reaction (using lowest whole-number coefficients.

Answer:

2H₂ + O₂ → 2H₂O

Explanation:

The problem tells us that hydrogen gas (H₂) and oxygen gas (O₂) are the reactants, while water (H₂O) is the only product. Thus, the reaction is:

H₂ + O₂ → H₂O

In order to balance this equation, we begin with counting the atoms of O present in the left side and in the right side of the equation. Because there are two O atoms in the left but only one on the right, we add a coefficient of 2 in the right side:

H₂ + O₂ → 2H₂O

Now we count the H atoms, there are 2 in the left and 4 in the right, so we add a coefficient of 2 for the hydrogen gas:

2H₂ + O₂ → 2H₂O

Now there are 4 H atoms in both sides, and 2 O atoms in both sides, so the equation is balanced.

ANSWERED AT 28/02/2020 - 07:55 AM


QUESTION POSTED AT 28/02/2020 - 07:55 AM

If 2.0 mol of an ideal gas are at an initial temperature of 250 k and a pressure of 1.5 atm, what is the gas volume?

Answer: The volume of gas is 27.36 L

Explanation:

To calculate the volume of gas, we use the equation given by ideal gas equation:

PV = nRT

where,

P = Pressure of the gas  = 1.5 atm

V = Volume of the gas  = ?

n = Number of moles of gas = 2.0 mol

R = Gas constant = 0.0821\text{ L atm }mol^{-1}K^{-1}

T = Temperature of the gas = 250 K

Putting values in above equation, we get:

1.5atm\times V=2.0mol\times 0.0821\text{ L atm }mol^{-1}K^{-1}\times 250K\\\\V=\frac{2.0\times 0.0821\times 250}{1.5}=27.36L

Hence, the volume of gas is 27.36 L

ANSWERED AT 28/02/2020 - 07:38 AM


QUESTION POSTED AT 28/02/2020 - 07:38 AM

The elements found in Group 2A, from top to bottom, include beryllium, magnesium, calcium, strontium, and barium. Which of these elements has the highest electronegativity value?

Electronegativity is the property of the element to attract electrons to its nucleus. The trend of electronegativity in the periodic table is decreasing from right to left and decreasing from top to bottom. hence from the given elements, the element with the highest electronegativity should be A.beryllium 

ANSWERED AT 28/02/2020 - 06:54 AM


QUESTION POSTED AT 28/02/2020 - 06:54 AM

Calculate the Molarity (M, moles solute / Liter of solution) of a solution that is made by dissolving 3.456 mmoles of Barium perchlorate in enough water to form a 432.1 mL solution.

Since Molarity is moles per Liter, you will first need to convert the mL into L, which makes it 0.4321L. Next divide: moles on top, Liters on the bottom.
3.456 moles / .4321L = 7.998 M

ANSWERED AT 28/02/2020 - 06:37 AM


QUESTION POSTED AT 28/02/2020 - 06:37 AM