Which properties result from minimal interactions between molecules in a gas?

47,370 results

chemistry help?!

Which properties result from minimal interactions between molecules in a gas? A. A characteristic geometric shape and limited particle motion B. A random shape, limited particle motion, and inability to be compressed C. A random shape, significant particle motion, and ability ...

SCIENCE 1

The van der waals equation incorporates corrections to the ideal gas in order to account for the properties of real gases one of the correcctions accounts for A.attractions between molecules B.the quantum behavior of molecules C.that average kinetic energy is inversely ...

chm

Which of the following facts is evidence for the existence of induced dipole-induced dipole interactions between molecules? Answer >>>Ions in water become surrounded by water molecules and this is what we observe as "dissolving." Water freezes into a solid made up of ...

(1-13) Chemistry - Science

Which of the following effects will make the ratio (PV) / (nRT) less than 1 for a real gas? a) The gas molecules are large enough to occupy a substantial amount of space. b) A large number of molecules have speeds greater than the average speed. c) The gas molecules have a ...

SCIENCE 1

the van der waals equation incorperates coreections for the ideal gas law in order to account for the properties of real gases. one of the corrections accounts for A.the average kinetic energy being inversely proportional to temperature B. the possibility of chemical reaction ...

Chem

In the van der waals equation, the constants a and b are: 1)used to correct for the finite volume of gas molecules and the attractive forces between molecules 2)equal to each other for any real gas 3)used to correct for the difference between Celcius and Kelvin 4)equal to 1 ...

science/chemistry

The van der waals equation incorperates corrections for the ideal gas laws in order to account for the properties of real gases. one of the corrections accounts for 1:The kinetic energy being inversly proportional to the temperature 2:The possibility of chemical reactions ...

chemistry

we believed that the molecules of a gas move around fairly rapidly, we can use this to explain all of the following EXCEPT why adding more gas increases the pressure. why most of the volume of the gas sample is taken up by the gas molecules. why the gas molecules do not settle...

Chemistry. PLEASE HELP

If we believed that the molecules of a gas move around fairly rapidly, we can use this to explain all of the following EXCEPT why adding more gas increases the pressure. why most of the volume of the gas sample is taken up by the gas molecules. why the gas molecules do not ...

chemistry

The kinds of interactions that exist between CH3COOH molecules include dipole-dipole (including hydrogen bonding) interactions and London forces.True or False Its false there are no hydrogen bonds?

Chemistry

All of the following are postulates of the kinetic molecular theory of gases except A. The gas molecules are in constant motion. B. The gas molecules are in rapid motion. C. The collisions between molecules are elastic. D. At a constant temperature, each molecule has the same ...

science help pls pls

Derek designed an experiment to demonstrate interactions between Earth systems. He cleared a patch of land in his backyard and poured a glass of water from a height of 12 inches above the ground. A depression was formed on the land at the spot where the water hit the ground. ...

Biology HELP!

1. Which of the following correctly identifies the composition of an oxygen atom? (1 point) 8 protons, 8 electrons, and 8 neutrons 6 protons, 6 electrons, and 6 neutrons 8 protons, 6 electrons, and 7 neutrons 6 protons, 6 electrons, and 12 neutrons 2. Which of the following ...

Physical Science

The physical properties of ice are different from the physical properties of dry ice (frozen carbon dioxide). But the physical properties of gaseous water vapor and the physical properties of gaseous carbon dioxide are the same. Why? A.) The valence electrons are more tightly ...

Chemistry

H2 +Br2 =2HBr so suggest twoo reasons why all the collisions between hydrogen and bromine gas molecules do bot result in reaction?

Chemistry

Gas particles travel at speeds of up to 500 m/s. Why, then, does it take so long for gas molecules to travel the length of a room? My answer would be that the molecules still have a weak attraction to each other and, in addition, the friction of the molecules surrounding the ...

Combinatorics

Entropy 1. Suppose a room has n molecules of a gas. We divide the room into k equal parts. How many ways can the molecules be split evenly between the parts (you may assume that n is divisible by k)? How many ways can the molecules be in only one part? What are the most common...

Chemistry

What are four types of interactions between liquid molecules that affect the boiling point.

Science

Which of the following is not a postulate of the kinetic molecular theory? A. The collisions between gas molecules are elastic. B. The energy of a gas molecule is determined by quantum mechanics. C. Gas molecules travel in random, straight paths. D. The absolute temperature of...

chemistry

If a mole of hydrogen gas (H2) contains 6.02 x 10^23 molecules, how many molecules are there in 10.0 moles of hydrogen gas? Answer 60.20 x 10^23 molecules 6.0 x 10^23 molecules 6.02 x 10^20 molecules 6.02 x 10^24 molecules None of these is correct. would it be 6.02x10^24 or ...

Science

Ionic bonds: a. result from the sharing of electrons between atoms. b. form only between polar molecules. c. form between atoms that develop opposite charges. d. result from the natural repulsion that develops between protons. answer is C

Chemistry

Why is the boiling point of HCL gas (permanent dipole-dipole interactions) lower than that of CO2 gas(temporary dipole-dipole interactions)?

College Physics

The rms speed of the molecules in 1.7 g of hydrogen gas is 1700 m/s. What is the total translational kinetic energy of the gas molecules? What is the thermal energy of the gas? 500 J of work are done to compress the gas while, in the same process, 1700 J of heat energy are ...

Math

A playground is being designed where children can interact with their friends in certain combinations. If there is 1 child, there can be 0 interactions. If there are 2 children, there can be 6 interactions. If there are 3 children, there can be 15 interactions. IF there are 4 ...

biochemistry

Which of the following statements about noncovalent bonding interactions is NOT true? Which of the following statements about noncovalent bonding interactions is NOT true? All noncovalent bond interactions are inherently electrostatic in nature. Van der Waals interactions, ...

science help pls pls

A student designed an experiment to demonstrate the interaction between Earth systems. The steps of the experiment are given below. *Take a pot full of dry soil. *Keep the pot in direct sunlight. *Do not water the soil for a week. *Observe cracks in the soil after a week. The ...

Chemistry

The reason that nonpolar oil will not dissolve in polar water is that the attractive forces between: A. the oil molecules are ionic and the attractive forces between the water molecules are covalent. B. the water molecules are weaker than the attractive forces between the ...

Advanced Algebra

A playground is being designed where children can interact with their friends in certain combinations. If there is 1 child, there can be 0 interactions. If there are 2 children, there can be 1 interactions. If there are 3 children, there can be 4 interactions. If there are 4 ...

chem

i have several problems i am caught on for my homework. I appreciate any help 1. As milk spoils, rancid components begin to coagulate. This could be interpreted as a: a.a colloid forming a suspension. b.solution forming a colloid. c.solution forming a suspension. d.suspension ...

Chemistry(Please check)

1) choose the correct statement about the postulates of kinetic theory of gases. a) a sample of a gas consists of a small number of large particles close together. b) the movement of gas molecules is predictable, not random. c) when gas molecules collide, they permanently ...

math

A playground is being designed where children can interact with their friends in certain combinations. If there is 1 child, there can be 0 interactions. If there are 2 children, there can be only 1 interaction. If there are 3 children, there can be 4 interactions. If there are...

Math

If there's one child that can be zero interactions if there are two children the three interactions if their three children they can be 12 interactions if there are four children there can be 39 interactions which recursivity equation represents the pattern

physics

A gas molecule at the surface of the earth happens to have the root mean square speed (rms)for that gas at 0°C.lf it were to go straight up without colliding with other molecules.How high would it rise and what would happen to the maximum height reached if a gas with heavier ...

chemistry

how many molecules are in 5.5 moles of oxygen gas? How many atoms are in this quantity of gas? I used dimensional analysis and did: 5.5 mol. of oxygen x 6.02x10^23 molecules/1 mol of oxygen I got 3.3x^24 molecules of oxygen How do I find the # of atoms? I know that there are 2...

science

Thermal energy is caused by motion of? 1. mixing water molecules contained in a beaker 2. molecules in soild liquid and gas phases 3. mixing molecules together 4. molecules that have reached equilibrium the density of an object with the volume of 60.0 mL and a mass f 400.0 g ...

OChem

What intermolecular forces are important in the binding of organic molecules to the absorbent in absorption chromatogrpahy? Select all that apply. A) London forces B) Van der Waals forces C) Covalent Bonding D) Hydrogen bonding E) Dipole-dipole interactions F) Lewis acid-base ...

Science

The speed of sound in a gas depends upon the average speed of the gas molecules. Why is such a relationship reasonable? The greater the density of the medium ie gas pressure, temperature, the better sound traves through it. Why? because there are more molecules per volume to ...

Heat and properties of matter

A fixed mass of an ideal gas slowly releases 1500 j of heat and as a result contract slowly,at a constant pressure 2.0 x 104 pa, from a volume of 0.025 M3. What is the effect on the internal energy of the gas? A it decrease by 2000 j. B it decreases by 1000 j. C it is ...

Chemistry

One difference between gases and liquids is that: (A) a gas may consist of both elements and compounds (B) a gas assumes the volume of its container (C) a gas is made up of molecules (D) all of the above are correct Is the correct answer, (B), a gas assumes the volume of its ...

Chemistry

Which of the following is NOT an assumption about an ideal gas? A. There are no intermolecular forces of attraction. B. The molecules do not collide with each other. C. The molecules have no kinetic energy. D. The molecules occupy no volume.

science

1) What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? :Properties of elements are related to atomic numbers.*** :Properties of elements are related to ductility. :...

Geography

What does this mean. It's one of the reasons civilization may clash. I don't understand it. Thank you. The interactions between peoples of different civilizations are increasing because these increasing interactions intensify civilization-consciousness and awareness of ...

Chemistry PLS HELP

The cover plate is removed from the gas jars shown iin the diagram. Nitrogen dioxide is a brown gas. After several days, the color of the gas is the same in both of the jars. What explains this change? So the picture shows this jar and nitrogen and nitrogen dioxide is ...

Chemistry

Olive oil has a higher viscosity than benzene. Which statement best explains the reason for the difference in viscosity between these two liquids? A. Molecules of olive oil take up a smaller volume than molecules of benzene. B. Fewer intermolecular forces exist between ...

Science

1) How does the pH of a solution affect its solubility and structure of weak organic acids and bases, such as proteins and nucleic acids? 2) Why would a zipper or a Velcro strip be a good analogy to weak interactions between biological molecules? Thank you!

Chemistry

The forces holding together an ionic solid are much stronger than the forces between particles in a molecular solid. How are these strong forces reflected in the properties of an ionic solid? a) strong hydrogen bonding exists between discrete molecules b) strong dipole-dipole ...

chemistry

a real gas is introduced to a flask of volume v. is the corrected volume of the gas greater or less than V? Ammonia has a larger a value than neon does. What can you conclude about the relative strength of the attractive forces between molecules of ammonia and between atoms of...

Chemistry

Please show me the steps..... At STP, 3.00 L of nitrogen gas contains the same number of molecules as A) 1.00 L of nitrogen gas B) 2.00 L of oxygen gas C) 3.00 L of chlorine gas D) 4.00 L of hydrogen gas

chemistry

Which statement is false? The average kinetic energies of molecules from samples of different “ideal” gases is the same at the same temperature. Molecules of a gas undergo many collisions with each other and the container walls. All molecules of an ideal gas have the same ...

science

Which of the following properties of water explains its characterization as the universal solvent? Which of the following properties of water explains its characterization as the universal solvent? A. Kinetic energy of liquid water molecules B. High specific heat C. Polarity ...

science

A sample of certain mass of a gas was collected and it was found that the number of atoms and the nuber of molecules in the collected sample are equal.find this observation infer the type of molecules of the gas.

science

The average velocity of molecules of nitrogen gas (N2) at room temperature is around 500 m/s. If you were to raise the temperature of the nitrogen gas by 50°C what is a good estimate for the speed of the molecules?

chemistry

Consider the conditions listed in the table below. Gas Temperature Pressure H2 100 oC 1 atm CH4 100 oC 20 atm O2 373 K 1 atm CO2 373 K 10 atm Which describes the characteristics of these samples? I. All molecules have the same kinetic energy II. The hydrogen molecules have the...

chemistry 101

calculate the molecules of oxygen required to react with 28.4g of sulfur in the following reaction? a)1.60 * 10 **24 molecules b)3.56 * 10**23 molecules c)2.67 * 10**23 molecules d)5.33 * 10**23 molecules e)8.00 * 10**23 molecules

help on a question

I needed help on a physical science question. When the molecules in a body move with increased speed, it's possible that the body will change from a... A) gas to a liquid B) gas to a solid C) liquid to a solid D) liquid to a gas PLEASE HELP ME!! If the molecules are increasing...

Chemistry

Each of four identical tires of a car is filled with a different gas. Gas pressure in each tire is 3.0 atm at 25oC. One tire contains neon, another – argon, the 3rd one has krypton, and the last one has unknown gas. How many molecules are there in each tire? So far, I have ...

chemistry

1)how many molecules of water are needed to produce 6 molecules of C6H12O6 according to the equation 6CO2(G)+6H2O(L)+energy TO C6H12O6(S)+6O2(G)? 2)how many mole of oxygen gas are produce when 6 mol of CO2 are consumed in the process of photosynthesis(see above question for ...

science

1)how many molecules of water are needed to produce 6 molecules of C6H12O6 according to the equation 6CO2(G)+6H2O(L)+energy TO C6H12O6(S)+6O2(G)? 2)how many mole of oxygen gas are produce when 6 mol of CO2 are consumed in the process of photosynthesis(see above question for ...

physics/chemistry

(a) An ideal gas occupies a volume of 1.0 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. i got that right to be 2.5e19 molecules (b) If the pressure of the 1.0 cm3 volume is reduced to 1.0 10-11 Pa (an extremely good vacuum) ...

Science

What conclusion can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their priorities? A. Properties of elements are related to atomic numbers. B. Properties of elements are related to ductility. C. ...

physics

What is true about microscopic properties of an object? 1) They are just small versions of the macroscopic properties. 2) They are the properties of particles that make up the object. 3) They are the average of many properties of individual particles. 4) They are overall large...

chemistry

What is the relationship between the temperature, speed, and kinetic energy of gas molecules

Chem-Gases

Explain how attractive forces between molecules decrease the pressure of a gas?

Chemistry

The relationship between velocity(U) of a gas molecules and their relative molecular mass(RAM) is?

chemistry

a 2 l gas bulb contains 4.07*10^23 N2 molecules. If the pressure is 3.05bar, what is the rms speed of the N2 molecules? What is the temperature?

science

A sample of certain mass of a gas was collected and it was fond that the number of atoms and the number of molecules in the collected sample are equal.from this observation infer the type of molecules of gas.

chemistry

carbon dioxide (CO2) gas is produced as a result of the reaction between calcium carbonate and hydrochloric acid. The gas that is produced is collected in a 20 dm3 container. The pressure of the gas is 105 kPa at a temperature of 20 C. What mass of carbon dioxide was produced?

Chemistry-Bonding2 :-)

Chlorine, Cl2, is a gas at room temperature, but bromine, Br2, is a liquid. Why? Chlorine would create a nonpolar covalent bond as each atom (with equal electronegativity) shared it's non paired electron. Nonpolar molecules have a very weak attraction to other nonpolar ...

Bio

The differences between two molecules include the type of sugar that forms a section of the molecules and the identity of one of the four nitrogenous bases that make up another section of the molecules. These two molecules are A. proteins B. lipids C nucleic acides D. complex ...

chemistry

Identify common properties of the molecules in a compound with a liquid crystal phase contain ions contain aromatic groups contain polar groups have long molecules

Chemistry

Since gases can be highly compressed, what must be true of the spaces between the molecules of the gas?

science

which of the following properties of water explains its characterization as the universal solvent. a)kinetic energy of liquid water molecules b)high specific heat c)polarity of water molecules d)high surface tension

Physics

(a) An ideal gas occupies a volume of 1.6-cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. (b) If the pressure of the 1.6-cm3 volume is reduced to 1.6 10-11 Pa (an extremely good vacuum) while the temperature remains constant, ...

science

which of the following properties of water explains its characterization as the universal solvent. a)kinetic energy of liquid water molecules b)high specific heat c)polarity of water molecules d)high surface tension I chose C

Physics

A tank with a constant volume of 3.44 m3 contains 14 moles of a monatomic ideal gas. The gas is initially at a temperature of 300 K. An electric heater is used to transfer 52600 J of energy into the gas. It may help you to recall that CVCV = 12.47 J/K/mole for a monatomic ...

chemistry

write a balanced equation between sodium and water. if 1.2g of sodium reacted with water, calcul;ate the volume of gas produced at s.t.p. how many molecules of the gas are produced at s.t.p.

physics

. Consider a large number, N(0) , molecules contained in a volume V (0) . Assume that there is no correlation between the locations of the molecules (ideal gas). Do not use the partition function in this problem. (a) Calculate the probability P (V; N) that an arbitrary region ...

chemistry(water molecules)

What does a water molecule look like (the shape)and what atoms does it contain? Also why are water molecules polar molecules? A water molecule contains two hydrogens and one oxygen between them. However, the 3 atoms are not in a straight line - the hydrogens are bent down kind...

Science

Which of the following explains why water is a liquid at room temperature but oxygen is a gas at the same temperature? A. The cohesive forces between water molecules is less than that of oxygen. B. Water is the universal solvent. C. Water has a greater buoyancy force than that...

Chemistry

I'm looking at a protein in a 3D visualization program (PyMol). I have the full amino acid sequence list. How do I determine *where* there are hydrophobic interactions that are stabilizing the tertiary structure? I know what hydrophobic interactions are in general, and I can ...

Chemistry

As a substance changes from liquid to gas, the average distance between molecules (1) decreases (2)increases (3) remains the same

Chemistry

Explain the relationship between the various properties of gases including pressure, temperature, volume, amount of gas, molar mass, and particle speed.

Chemistry

Hydrogen gas, , reacts with nitrogen gas, , to form ammonia gas, , according to the equation 3H2+N2-2NH3 How many grams of are needed to produce 13.75g of NH3 ? How many molecules (not moles) of are produced from 8.26×10−4g of H2 ?

Chemistry

5 orange gas particles 6 blue gas particles 3 green molecules of gas (two particles attached together) If the partial pressure of the diatomic gas is 0.390 atm, what is the total pressure?

Chemisty

Enrico Fermi was a famous physicist who liked to pose what are now known as Fermi problems in which several assumptions are made in order to make a seemingly impossible estimate. One example of a Fermi problem is "Caesar's last breath" which estimates that you, right now, are ...

chemistry

Question: Consider this molecular-level representation of a gas. There are: 5 orange gas particles 6 blue gas particles 3 green molecules of gas (two particles attached together) If the partial pressure of the diatomic gas is 0.510 atm, what is the total pressure? I have tried...

biology

1 – 2 sentences why each of the following unique properties of water is important to living things Water is the universal solvent: Water is less dense as a solid than as a liquid Water molecules are attracted to one another (cohesion) Water molecules are attracted to other ...

nuclear physics question

Isotopes of a given element have many different properties, such as mass, but the same chemical properties. Why is this? your exact answer here: ehttp://en.wikipedia.org/wiki/Isotope look under Variation in properties between isotopes zkwiftnl iplesyjob lqimrgse lcqptg guhl ...

Advanced Chem- Intermolecular Forces of Attraction

Answer/ explain the following in terms of intermolecular forces and properties of the substances referred to in each situation. 1. Why is it that if a glass is slightly filled above the brim with water, the liquid does not overflow? 2.Induced dipole forces or London force of ...

Chemistry

Hydrogen gas dissolves in palladium with the hydrogen molecules going into the spaces between the metal ions. Determine the molarity, molality, and percent by mass of the H2:Pd solution (d=10.8g/cm)containing 0.94g hydrogen gas dissolved in 215 grams of palladium metal.

biology need help

1 – 2 sentences why each of the following unique properties of water is important to living things Water is the universal solvent: Water is less dense as a solid than as a liquid Water molecules are attracted to one another (cohesion) Water molecules are attracted to other ...

Physics

2. A Sample of V1=6.2L of pure nitrogen gas at 21.85 degrees Celsius and total pressure (gauge plus ambient) of p1=155,700 Pa is heated so that the vrms for the gas molecules increase by 9%. Find the new absolute temperature for the gas, and compute the pressure for the ...

physics

Question 01: 2.0g of Nitrogen gas is at 270C in a fixed volume. If 20% of its total internal energy is due to rotation what is the average velocity of nitrogen molecules? What will be the temperature 2.0 g of Helium gas in a fixed volume if the average velocity of its ...

chemis

As a gas is compressed in a cylinder... 1. The distance between gas molecules _INCREASES________ 2 The number of gas molecules _REMAINS THE SAME________ 3. Its volume _INCREASES________ 4. Its pressure _REMAINS SAME________ 5. Its density _DECREASES________ 6. Its mass ...

Chemistry (Gas question)

The mean kinetic energy of the molecules in a sample of H20 gas is 12x10^-19 J, calculate the mean velocity of a molecule and the temperature of the gas. Please help need to know for exam tomorrow.

Physics

At a given temperature O2 molecules will move (3/2)1/2 faster than O3 molecules on the average. True or False? I'm not sure if it is true or false on this one, but I think its false. If you mix a gas, eventually all the molecules have the same kinetic energy on the average, ...

Grade 9 science

What is an example of a homogeneous mixter that is a solid liqued or gas an example of homogeneous mixter that is a solid Steel is a homogenous mixture of iron, carbon, and other metals. air is a homogenouse mixture of gas Sea water is a homogenous mixture of water and salts. ...

Chemistry

Water's unique properties allow it to- a.dissolve aqueous solutions b.dissolve ionic and nonpolar covalent molecules c.dissolve ionic and polar covalent molecules d.dissolve ionic, covalent and metallic molecules is it c, because i know water is polar?

chemistry - ozone

hi, can anybody tell me the molecules that destroy ozone? i need a fair few molecules to write in my homework...thanks! The main species responsible for destroying ozone in the stratosphere is Cl atoms. Br atoms are also very effective but there aren't many around. Collisions ...

science

3 Nitroglycerine is used as an explosive. The equation for the explosion reaction is: 4C3H5(NO3)3 ( l ) 12CO2 ( g) 1 10H2O ( l ) 1 6N2 ( g) 1 O2 ( g) a How many moles does the equation show for: i nitroglycerine? ii gas molecules produced? b How many moles of gas molecules are...

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