What is a mole? What is energy?

Q: Why the Peeps get bigger in the vacuum chamber?  What gas law is demonstrated in this demo?  And…

A: Peeps expand under vaccum or get bigger in vaccum chamber. At equilibrium a peep has the same…

Q: What happens to atoms and molecules as there temperature increases?

A: The heat energy absorption by a mass particle increases it's temperature

Q: Evidence that a gas consists mostly of empty space is the fact that:

A: The motion of molecules is increasing because those molecules are observing the energy from the…

Q: Can carbon dioxide be liquefied at room temperature (20ºC)? If so, how? If not, why not?

A: Introduction: Liquefaction of gases is defined as the conversion of states of gas from the liquid…

Q: What are four common phases of matter?

A: A phase is a physically distinctive form of matter.

Q: Does a liquid release energy or absorb energy when it changes into a gas?

A:

Q: 12. Seawater has ɛ, = 80. Its susceptibility is (a) 81 (b) 79 (c) 5.162 x 1010 F/m (d) 7.074 × 10-1º…

A: Susceptibility is a dimensionless quantity used for dielectrics, which gives an idea about the…

Q: During the transfer of energy occurs through the interactions among atoms or molecules, but the…

A: Three modes of heat transfer are studied ,these are conduction , convection and radiation .…

Q: Assuming isothermal condition, how deep is the pool at a point where an air bubble, upon reaching…

A:

Q: Do 10 grams of oxygen atoms and 10 grams of iron atoms contain the same number of particles?

A:

Q: Compare between hydrothermal and solvothermal by using the properties ??

A: in this question  we compare  hydrothermal and solvothermal properties.

Q: If you had beeswax attached to one end of a metal skewer and you placed the other end of the skewer…

A: As it is known that the metals are the good conductor of heat

Q: Long-term space missions require reclamation of the oxygen in the carbon dioxide exhaled by the…

A:

Q: What is the difference between an intensive and an extensive state of matter?

A:

Q: Explain why the eruptions of many geysers repeat with notable regularity.

A: Geysers: Geysers are like a vent on the earth's surface. They eject water column and hot water…

Q: Which of the following statements are true about gas particles? Select all that apply.

A: Points and observations from Kinetic  Theory will be used to clearly answer all above points.

Q: What is the temperature when all molecular motion ceases?

A: Kelvin scale is defined as a temperature scale whose zero point is absolute zero where the entropy…

Q: Ex -rys d aanelength to Pm are scaltered hrom a tanget seatered chrongh L15.6) hnd he, makimam…

A:

Q: Describe all the atomic sub structures of matter and their role?

A: The atomic sub structures of matter are electrons, neutrons, protons, neutrino, positron, muon,…

Q: A simple model for car- bon dioxide consists of

A: from the following relation ω = 2π f and also ω2 =  k/m here  ω = angular frequency f = linear…

Q: A refrigerator was kept in a room and its door remained open. What will happen to the room…

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Q: What Is Activation Energy? How Is It Calculated?

A: Activation energy, in chemistry, the minimum amount of energy that is required to activate atoms or…

Q: eut a Crunch uap supitme Went te ble heures t Tato Bell A hungry prison w hich includes lemns,…

A: energy consumed = 930 food calories = 930 * 1000 calories = 930000 * 4.186 Joules  = 3892980 Joules…

Q: If a room-temperature spoon is placed into a hot cup of coffee, followed by a teaspoon of cream from…

A: Given that a room-temperature spoon is placed into a hot cup of coffee, followed by a teaspoon of…

Q: What do you mean by the thermal agitation of molecules?

A: Thermal agitation of molecules can be defined as the ceaseless random motion of molecules or…

Q: Why do frying pans have a thick base?

A: A thick base pan has higher mass hence higher heat capacity. A substance with large heat capacity…

Q: Discuss the function of a photovoltaic cell. What does it produce from what?

A: The fundamental thought behind photovoltaic (or 'sun powered') cells is quite straightforward. To…

Q: What Is The Difference Between Statistical Thermodynamics And Chemical Thermodynamics?

A: Classical Thermodynamics: This branch studies the relationships between the State functions of the…

Q: Why do you study propeties of gases?

A: Studies about the properties of gases allow us to understand about the behavior of the matter. We…

Q: Long-term space missions require reclamation of the oxygen in the carbon dioxide exhaled by the…

A: Given data: The amount of carbon dioxide exhales by a single astronaut is m1=1.21 kg. The number of…

Q: What is first law of thermo dynamics?

A: First law of thermodynamics is based on principle of energy conservation. i.e. whenever you add some…

Q: true or false ? is Oxygen is an example of matter .

A: Matter is made from atoms. Every substance has a unique number of protons, neutrons, and electrons.…

Q: Who advanced the idea of atoms in the early 1800s?

A: In the early 19th century, a chemist named John Dalton first formulated the first atomic theory.

Q: Why we use a number of antimony-bismuth couple in a thermopile?

A: A thermopile is basically made with an antimony-bismuth couple.When a temperature difference is…

Q: What is internal energy?

A:

Q: What is mole?

A: Mole is the unit of amount of substance. It consists of Avogadro number of particles. Avogadro…

Q: When water freezes what happens to its molecules?

A: This question is based on thermal properties of matter topic. At high temperature, the molecules of…

Q: How many molecules are present in 2.5 liters of gas at STP?

A:

Q: Cars and aeroplanes are streamlined. Why?

A: Cars and aero planes are streamlined because

Q: What is the relationship of density to bouyancy effect? Please describe briefly.

A: When we place an object on on fluid surface, it will float on fluid or sink will depend on the…

Q: Why don't atoms collapse if they are mostly empty space?

A: Atoms are not mostly empty space because there is no such thing as purely empty space. Rather, space…

Q: Who advanced the idea of atoms in the early 1880s?

A: John Dalton is the person behind the advancement of the idea of atoms in the early 1800’s.

Q: Long-term space missions require reclamation of the oxygen in the carbon dioxide exhaled by the…

A: Weight of exhaled carbon dioxide by one astronaut = 1.09 kg/dayVolume of tank (V) = 150…