a rigid container holds 2.60 molmol of gas at a pressure of 1.00 atmatm and a temperature of 60.0 ∘c∘c. for help with math skills, you may want to review: conversion factors conversion between celsius and kelvin rearrangement of equations involving multiplication and division part a what is the container's volume? express your answer with the appropriate units. view available hint(s)for part a vv

Glyphosate was initially thought to have no effect on human health because it primarily targets enzymes found only in plants and bacteria, not humans.

Additionally, the compound was believed to have a low toxicity level and was considered to be safe when used according to the labeled instructions.

However, recent scientific studies have suggested potential health risks associated with glyphosate exposure, including links to cancer and other health issues.

These studies have prompted further investigation and controversy surrounding the safety of glyphosate in herbicides.

To know more about Glyphosate, refer here:

https://brainly.com/question/30628930#

#SPJ11

Answer: 4.136 g

Explanation:

1000 mg=1 g

4136 mg * 1 g/1000 mg=

4136*1/1000=

4136/1000=4.136 g

a) To solve for the k value in the equation T(t) = 70 + 142ekt, we can use the given information that the coffee temperature at 10 minutes was 110°F.

Substituting t = 10 and T(t) = 110 into the equation, we have:110 = 70 + 142ek(10). Subtracting 70 from both sides, we get: 40 = 142ek(10). Dividing both sides by 142, we have: ek(10) = 40/142. Taking the natural logarithm (ln) of both sides, we get: ln(ek(10)) = ln(40/142). Simplifying, we have: k(10) = ln(40/142). Dividing both sides by 10, we get: k = ln(40/142) / 10. Using a calculator, we find that k ≈ -0.0131. b) To find T(t) at 19.5 minutes, we can substitute t = 19.5 into the equation T(t) = 70 + 142ekt: T(19.5) = 70 + 142e(-0.0131)(19.5) Using a calculator, we can evaluate the expression to find T(19.5) ≈ 99.6°F. a) The decay of Lidocaine can be modeled using the equation L(t) = aekt. Given that the half-life of Lidocaine is about 1.5 hours, we can use this information to solve for the k value. Using the half-life formula, we know that: t1/2 = (ln 2) / k. Substituting t1/2 = 1.5 hours, we have: 1.5 = (ln 2) / k. Solving for k, we get: k = (ln 2) / 1.5. Using a calculator, we find that k ≈ 0.4621. b) The exponential model for Lidocaine decay is given by : L(t) = aekt. c) To find how long it will take for the amount of Lidocaine to reduce to 20 mg, we can substitute L(t) = 20 and solve for t. 20 = 200e0.4621t. Dividing both sides by 200, we have: 0.1 = e0.4621t. Taking the natural logarithm (ln) of both sides, we get: ln(0.1) = 0.4621t. Simplifying, we have: t = ln(0.1) / 0.4621. Using a calculator, we find that t ≈ 2.7 hours. Rounded to the tenths, it will take approximately 2.7 hours for the amount of Lidocaine to reduce to 20 mg.

To learn more about temperature, https://brainly.com/question/16999043

#SPJ11

True. Do not use oil-based products such as Vaseline and body lotions because they destroy latex. Latex is a natural rubber, and when it comes into contact with oil-based products, it reacts chemically.

This reaction causes latex to degrade and lose its elasticity, making it prone to breakage. Therefore, it is important to avoid oil-based products when using latex products, such as condoms, gloves, and other medical supplies. Instead, use water-based products that are safe to use with latex. Water-based products are gentle on the skin and do not react chemically with latex, making them ideal for use with latex products.

learn more about chemically

https://brainly.com/question/12145141

#SPJ11

Answer:

\(molarity =6.9\times 10^{-3}\ M\\\)

Explanation:

We know that , the reaction of HCl and NaOH is given as follows

\(NaOH+HCl=NaCl +H_2O\)

Given that

Pressure = 111 mm Hg

\(P=111\times 13.6\times 10^{-3}\times 9.81\times 1000=14.809\ kPa\)

Temperature = 20°C

T=20+273=293 K

Volume= 221 m L

V=0.221 L

Number of moles of HCl is given as follows

\(n=\dfrac{P\times V}{R\times T}\\n=\dfrac{0.148\times 0.221}{0.821\times 293}=1.3\times 10^{-4}\ moles\)

From the above reaction we can say that

Number of moles of HCl=Number of moles of NaOH

Volume of NaoH is given as follows

V=18.7 = 0.0187 L

Therefore molarity

\(molarity =\dfrac{n}{V_{NaOH}}\\molarity =\dfrac{1.3\times 10^{-4}}{0.0187}=6.9\times 10^{-3}\ M\\molarity =6.9\times 10^{-3}\ M\\\)

The automobile gasoline tank will hold 59.05 pounds of gasoline.

Given that the volume of the gasoline tank of the automobile is 19.0 gal. and the density of the gasoline is 0.737 g/mL. So, we need to calculate the number of pounds of gasoline the tank can hold.The relationship between volume and density is as follows;Density= Mass/ VolumeRearranging the equation gives; Mass= Density × VolumeSubstitute the given values in the above equation;Mass = 0.737 g/mL × 19.0 gal × 3.78541 L/galWe know that; 1 L = 1 dm³Thus,Mass = 0.737 g/mL × 19.0 gal × 3.78541 dm³/LMass = 53.70 kgThe given mass is in kg and we need to convert it into pounds;1 kg = 2.20462 poundsThus,Mass = 53.70 kg × 2.20462 pounds/kgMass = 118.4 pounds therefore, the automobile gasoline tank will hold 59.05 pounds of gasoline.

Given that the volume of the gasoline tank of the automobile is 19.0 gal. and the density of the gasoline is 0.737 g/mL. So, we need to calculate the number of pounds of gasoline the tank can hold.The relationship between volume and density is as follows;Density= Mass/ VolumeThe above equation can be rearranged as; Mass= Density × Volume Substitute the given values in the above equation;Mass = 0.737 g/mL × 19.0 gal × 3.78541 L/galMass = 53.70 kgThe given mass is in kg and we need to convert it into pounds;1 kg = 2.20462 poundsThus,Mass = 53.70 kg × 2.20462 pounds/kgMass = 118.4 pounds therefore, the automobile gasoline tank will hold 59.05 pounds of gasoline.

To know more about gasoline visit:

https://brainly.com/question/31426793

#SPJ11

The number of oxygen atoms in each formula unit of lead nitrite is equal to four.

A formula unit can be used to represent the lowest whole number ratio of ions in an ionic compound. The formula mass of an ionic compound is equal to the sum of the atomic masses of the ions in the formula unit.

A formula unit can be described as an empirical formula of any covalent or ionic compound that can be used as an independent entity for stoichiometric calculations.

Given the chemical formula of the Lead(II) nitrite is Pb(NO₂)₂. The number of oxygen atoms in each formula unit is four.

Learn more about formula unit, here:

brainly.com/question/15971114

#SPJ1

The rate at which N\(_{2}\) disappears is 0.016 M/s, while the rate at which H\(_{2}\) disappears is 0.0213 M/s.

In the balanced chemical equation N\(_{2}\)(g) + 3 H\(_{2}\) (g) → 2NH\(_{3}\)(g), the stoichiometric coefficients represent the mole ratios between the reactants and products.

Since the reaction rate is given for NH\(_{3}\), we can determine the rates of disappearance of  N\(_{2}\) and H\(_{2}\) by comparing their stoichiometric ratios in the reaction.

The stoichiometric ratio between  N\(_{2}\) and NH\(_{3}\) is 1:2, meaning for every mole of  N\(_{2}\) consumed, 2 moles of NH\(_{3}\) are produced. Therefore, the rate of disappearance of  N\(_{2}\) is half of the rate of formation of NH\(_{3}\).

Similarly, the stoichiometric ratio between H\(_{2}\) and NH\(_{3}\) is 3:2. This means that for every 3 moles of H\(_{2}\) consumed, 2 moles of NH\(_{3}\) are produced. Therefore, the rate of disappearance of  H\(_{2}\) is (2/3) times the rate of formation of NH\(_{3}\).

Given the rate of formation of NH\(_{3}\) as 0.032 M/s, the rate of disappearance of  N\(_{2}\) would be 0.016 M/s (0.032 M/s ÷ 2), and the rate of disappearance of  H\(_{2}\) would be approximately 0.0213 M/s (0.032 M/s × 2/3).

Therefore, the rate of disappearance of  N\(_{2}\) is 0.016 M/s, and the rate of disappearance of  H\(_{2}\) is 0.0213 M/s.

You can learn more about chemical equation  at

brainly.com/question/4425414

#SPJ11

Answer: 55,000

Explanation:

Scientific Notation: 5.5 x 10⁴

Standard form: move the decimal 4 places to the right

                         5 5 0 0 0 0.

                      =  55,000

Answer:

5.72×10^2

Explanation:

5.5×104

=55×104

=5720÷10

=572

=5.72×10^2

If 122.3 moles of ammonia undergoes decomposition, 183.5 moles of hydrogen gas will be produced.

Stoichiometry refers to the quantitative relationship between the reactants and products of a specific reaction or equation.

According to this question, ammonia gas undergoes decomposition to produce nitrogen and hydrogen gases as follows:

2NH₃ → N₂ + 3H₂

Based on the above equation, 2 moles of ammonia react to produce 3 moles of hydrogen gas.

This means that 122.3 moles of ammonia will decompose to produce 122.3 × ³/2 = 183.5 moles of hydrogen gas.

Learn more about stoichiometry at: https://brainly.com/question/29775083

#SPJ1

Answer: D, The air molecules that are surrounding the metal will speed up, and the molecules in the metal will slow down.

Explanation:

Heat flows from warmer places to colder places. The hotter an object is, the faster the molecules will move. Since the metal place is hotter than the air, its molecules will move faster. The heat will flow from the plate into the air and make the air’s molecules move faster. This will heat up the air. When heat is leaving the plate, it will make it cool down, so the plate’s molecules will move slower.

Answer:

59.46 g

Explanation:

To answer this question, the molecular weight of ammonium sulfate must be computed.  To accomplish this, the weights of the individual elements must be noted.
N=14.01\(\frac{g}{mol}\)

H=1.01\(\frac{g}{mol}\)

S=32.07\(\frac{g}{mol}\)

O=16.00\(\frac{g}{mol}\)

To compute the molecular weight:

\(2[14.01\frac{g}{mol}+4(1.01\frac{g}{mol})]+32.07\frac{g}{mol}+4(16.00\frac{g}{mol})=132.14\frac{g}{mol}\)

To calculate the mass:

\(0.45 mol(\frac{132.14g}{1mol})=59.463g\)

Answer:

2.coefficient how many molecules of Aluminum hydroxide there are

The amount of heat released when 1.48 g of chlorine reacts with excess phosphorus is -26.6 kJ (note the negative sign indicates that the reaction is exothermic). The equation for the reaction between chlorine and phosphorus is:

P + 2Cl2 -> 2PCl3

From the equation, we can see that 2 moles of chlorine are required to react with 1 mole of phosphorus to produce 2 moles of phosphorus trichloride.

The molar mass of chlorine is 35.5 g/mol, so 1.48 g of chlorine is equal to:

1.48 g / 35.5 g/mol = 0.0417 mol Cl2

Since there is excess phosphorus, we can assume that all of the chlorine will react. Therefore, the amount of phosphorus trichloride produced is also equal to 0.0417 mol.

The reaction is exothermic, which means that heat is released. The amount of heat released can be calculated using the standard enthalpy of formation for each of the substances involved in the reaction:

ΔH°f(P) = 0 kJ/mol
ΔH°f(Cl2) = 0 kJ/mol
ΔH°f(PCl3) = -319.6 kJ/mol

ΔH°rxn = ΣΔH°f(products) - ΣΔH°f(reactants)
ΔH°rxn = (2 mol x ΔH°f(PCl3)) - (2 mol x ΔH°f(Cl2) + ΔH°f(P))
ΔH°rxn = (2 mol x -319.6 kJ/mol) - (2 mol x 0 kJ/mol + 0 kJ/mol)
ΔH°rxn = -639.2 kJ/mol

To calculate the amount of heat released for the given amount of chlorine, we can use the following equation:

ΔH = n x ΔH°rxn

ΔH = 0.0417 mol x -639.2 kJ/mol
ΔH = -26.6 kJ

Find out more about exothermic

brainly.com/question/20215593

#SPJ11

Answer:

14.52%

Explanation:

The percentage by mass (WW%) is calculated by using the formula:

Mass of solute/mass of solution ×

100

The solute (Al) is 22.5g while the solvent (Al2O3) is 155g

Hence, percent by mass is:

22.5/155 × 100

= 0.1452 × 100

= 14.52%

A solution is made by mixing 114.g of benzene C6H6 and 83.g of acetyl bromide CH3COBr, the mole fraction of benzene in this solution is 1.45mol.

The term molar mass is defined as the compound is often calculated by adding the quality atomic masses in g/mol of the constituent atoms.

Molar mass of CH3COBr,

Molar Mass = 2 × MM(C) + 3 × MM(H) + 1 × MM(O) + 1 × MM(Br)

= 122.944 g/mol

Molar mass of C6H6,

MM = 6 × MM(C) + 6 × MM(H)

= 6 × 12.01 + 6 × 1.008

= 78.108 g/mol

n(CH3COBr) = mass/molar mass

= 83 /122.944

= 0.675

n(C6H6) = mass/molar mass

= 114 / 78.108

= 1.45

n(CH3COBr),n1 = 0. 675mol

n(C6H6),n2 = 1. 45mol

Thus, the mole fraction of benzene in this solution is 1.45mol.

To learn more about the molar mass, follow the link;

https://brainly.com/question/12127540

#SPJ1

Answer:

B

Explanation:

The rate constant is equal to forward rate divided by reverse rate.

K = f/r

-> r = f/K

0.62/0.75 = 0.8267

Answer:

its B

Explanation:

I TOOK THE TEST

Answer:

You can see in the above illustration of the periodic table that N is in Period 4, Group 5A, and p-block. Before reaching N, you will pass through the atomic orbitals 1s, 2s, and 2p. The electron configuration of N3- is N3-: 1s22s22p6 .

Explanation:

Answer:

A

Explanation:

Answer:

O

Explanation:

O is in the red which says nonmetal

The base name for an ester with a propyl group attached to the carbonyl carbon atom is "propyl ester." In the context of a simulation, you would need to extend the left chain according to the given parameters within the simulation for the specific compound you are working with.

If we extend the left chain of an ester with a propyl group attached to the carbonyl carbon atom as far as the simulation allows, we would have the following structure:

CH3-(CH2)2-C(=O)-OR

Where R represents the rest of the ester molecule.The base name for an ester with a propyl group attached to the carbonyl carbon atom is propyl propanoate. This name is derived from the parent carboxylic acid, which is propanoic acid (also known as propionic acid), and the alcohol used to form the ester, which is propanol (also known as 1-propanol or n-propanol).The esterification reaction between propanoic acid and propanol yields propyl propanoate as the ester product, with the elimination of a molecule of water. The ester is commonly used as a flavor and fragrance ingredient in various food and cosmetic products.

Learn more about  propyl  here

https://brainly.com/question/9086530

#SPJ11

Answer:

C

Explanation:

A gas is a state of matter that has no fixed shape and no fixed volume gases have lower density than other states of matter such as solids and liquids.

Answer:

I believe the seasons would be reversed

Explanation:

If I'm wrong sorry

Answer:

D.) The seasons would be reversed

Explanation:

Hope I helped

True, variations can be subtle or extreme.

The degree of variation depends on the context and the nature of the subject being examined. Some variations may be slight and difficult to detect, while others may be extreme and easily identifiable. Regardless of the extent of the variation, it is an essential concept that allows for diversity and creativity in various fields.

This is because variations refer to differences or changes in something. For instance, in genetics, variations can range from small changes in the genetic code to large-scale mutations that alter the entire genetic sequence. Similarly, in language, variations can be subtle, such as different pronunciations or word usage, or extreme, such as different languages altogether.

In other areas such as art, variations can also be subtle or extreme. For example, an artist may create variations of a painting by changing the color scheme, brushstrokes, or composition, resulting in subtle differences. Alternatively, an artist may create an extreme variation by creating a completely different piece that only shares a few similarities with the original.

For more such questions on variations

https://brainly.com/question/20126690

#SPJ11

2 asymmetric carbon atoms are present in the molecule shown.

Asymmetric carbon atoms, also known as chiral carbon atoms or stereogenic carbon atoms, are carbon atoms that are bonded to four different groups or atoms. They are important in organic chemistry because they give rise to molecular asymmetry and the existence of enantiomers.

The presence of an asymmetric carbon atom in a molecule leads to chirality, which is the property of having two non-superimposable mirror image forms (enantiomers). Enantiomers have identical physical and chemical properties, except for their interaction with other chiral molecules, such as in biological systems.

The existence of enantiomers is significant because they can exhibit different biological activities, pharmacological effects, and reactivities. For example, one enantiomer of a drug may be therapeutically effective, while its enantiomer could be biologically inert or even produce adverse effects.

To learn more about carbon atoms, here

https://brainly.com/question/13990654

#SPJ4

Silicon (Si) has a total of 14 protons and 14 neutrons in its atomic nucleus. A neutral silicon atom has 14 electrons that balance the 14 positively charged protons in its nucleus.

Silicon is a chemical element with the symbol Si and the atomic number 14. It is a hard and brittle crystalline solid with a blue-grey metallic lustre, and it is classified as a metalloid, which means it has characteristics of both metals and nonmetals. It is a fundamental element of the Earth's crust and is the second most abundant element in it, after oxygen. Silicon is essential for the manufacture of electronic components, such as semiconductors and solar cells. The element's ability to pass electricity makes it useful in the production of electronic circuits. Furthermore, silicon is used to create other materials like silicone and glass, which are used in construction and other applications.

To know more about element visit-

https://brainly.com/question/31950312

#SPJ11

This set of questions asks you to arrange compounds in order of increasing boiling point temperature. The answers to these questions can be determined by considering the intermolecular forces present in each compound. Therefore :

1. Boiling point order: HCl(CH₂O) < SiH₄

2. Boiling point order: F₂ < Cl₂

3. Boiling point order: CH₄ < C₂H₆ < C₃H₈

4. Intermolecular attractions: Polarity increases from Silane to PH₃ to H₂S.

Q1) Arranging compounds in order of increasing boiling point temperature:

(A) SiH₄ (Silane)

(B) HCl(CH₂O) (Chloromethanol)

Q2) Arranging compounds in order of increasing boiling point temperature:

(A) F₂

(B) Cl₂

Q3) Arranging compounds in order of increasing boiling point temperature:

(A) C₂H₆ (Ethane)

(B) CH₄ (Methane)

(C) C₃H₈ (Propane)

Q4) Arranging compounds in order of increasing boiling point temperature:

(A) Silane (SiH₄)

(B) Phosphine (PH₃)

(C) Hydrogen sulfide (H₂S)

The nature of intermolecular attractions in the three compounds suggests:

(A) The polarity (magnitude of the dipole moment) increases from Silane, through PH₃, to H₂S.

To know more about boiling point temperature refer here :    

https://brainly.com/question/33319862#

#SPJ11    

Answer:

carbonate

Explanation:

this is because when carbonates react with acid they form carbon dioxide and water and respective metal oxide

The change of a pH 3 to pH 2, changes the hydronium ion concentration by a factor of 10 and acids have a higher hydronium ion concentration than this value.

1. The pH scale is indeed a logarithmic scale that measures the acidity or basicity of a solution. It represents the negative logarithm (base 10) of the hydronium ion concentration [H3O+].

pH = -log[H3O+].

=> [H3O+] = 10^(-pH)

For pH 3, the hydronium ion concentration would be:

[H3O+] at pH 3 = 10^(-3)

For pH 2, the hydronium ion concentration would be:

[H3O+] at pH 2 = 10^(-2)

Factor = [H3O+] at pH 2 / [H3O+] at pH 3

= (10^(-2)) / (10^(-3))

= 10^(-2 + 3) = 10^1 = 10

2. Acids have a higher hydronium ion concentration [H3O+] than the value calculated above.

Therefore, the hydronium ion concentration [H3O+] changes by a factor of 10 when the pH changes from 3 to 2  and acids have a higher hydronium ion concentration than this value.

To learn more about ions :

https://brainly.com/question/13692734

#SPJ11