The mass of the sun is 2.0 x 1030 kg, and the mass of a hydrogen atom is 1.67 x 10-27 kg. If we assume that the sun is mostly composed of hydrogen, how many atoms are there in the sun?

Q: The average speed of the atoms in a gas is 3 km/s. If the temperature of the gas is tripled, what…

A: As per Kinetic Molecular theory gas, the gas molecules are in constant motion and undergo frequent…

Q: An expensive vacuum system can achieve a pressure as low as 1 x10 N/m² at 20 °C. How many atoms are…

A: Step 1:Step 2:

Q: (a) What is the average kinetic energy in joules of a hydrogen atom on the 5500 °C surface of the…

A:

Q: The most dangerous particles in polluted air are those with diameters less than 2.5 μm because they…

A: Stoke's velocity is given by:

Q: ideal gas is kept in a 12​-liter ​[L] container at a pressure of 1.5 atmospheres​ [atm] and a…

A: Given  Initial Volume of container, v = 12 Liter  Initial pressure, p = 1.5 atm  Constant…

Q: HO HO velocity 6 5 4 3 2 1 0 1 0.8 velocity 9 0 0.4 0.2 O 5 time eF 10 (99+ EX 77°F < 8:4 9/2/

A: If person is moving with constant speed in positive direction then it's velocity must be constant…

Q: The molecules in a six-particle gas have velocities 7₁ (2030) m/s v2 = (402 +90ĵ) m/s 73 (-802 +20ĵ)…

A:

Q: An expensive vacuum system can achieve a pressure as low as 1.00 x 10-8 N/m² at 21.5 °C. How many…

A: Given, The volume,  V= 1 cm3=1×10-6 m3 The temprature of vaccume system, T=21.5°…

Q: How much ice in grams would have to melt to lower the temperature of 354 mL of water from 35∘C to…

A: To solve the given question, we will use the conservative of energy i.e. the amount of heat lost by…

Q: A scientist recorded the temperature of a freshwater lake at 9am and it was 18 C. She has already…

A: When a substance is heated from its initial temperature the material absorbs energy and its…

Q: 20 C'eres is the largest asteriad in the Solar System. But witha mass of 9.38 x 10º kg, a radius of…

A: Given, T=-38.150CM=9.38×1020kgR=469.73 km

Q: What would the surface temperature in degrees Kelvin of the sun have to be so that the rms velocity…

A: Given: mass of the sun = 2.0 x 1030 kg; Radius of the sun = 7 x 108 m

Q: The average temperature of the atmosphere has increased by 0.4°C over the last thirty years.…

A:

Q: Consider two Einstein solids in thermal contact. Solid A contains 5 atoms while solid B has 2 atoms.…

A: ANSWER:  GIVEN: Solid A has 5 atoms and Solid B has 2 atoms             The total energy of the…

Q: Atmospheric pressure on Earth at its surface is 101 KPa (101 kilopascals or 101,000 N/m2). Which of…

A: Atmospheric pressure on Earth at its surface is 101 KPa.

Q: After heating up in a teapot, a cup of hot water is poured at a temperature of 209∘209∘F. The cup…

A: The temperature surrounding the object, Ta=209° F The initial temperature of the object, T0=69°F The…

Q: A positive gas ion with mass 1.5×10−27kg1.5×10−27kg is traveling with speed 200m/s200m/s in the…

A:

Q: In the deep space between galaxies, the density of atoms is as low as 106 atoms/m3, and the…

A: (1) The ideal gas law can be written as, PV=NkBT Here, P is the pressure, V is the volume, N is the…

Q: Assume the overall world energy consumption is 650 EJ. Now assume that you transfer all this energy…

A:

Q: At "low" temperatures, the heat capacity of some materials varies with temperature as 12π¹ NkB C (T)…

A:

Q: The temperature inside a supernova explosion is said to be 2.00 × 10¹³K. (a) What would the average…

A: In order to answer this issue, we must determine the average hydrogen atom velocity.  We know the…

Q: QUESTION 2 A room is filled with an ideal gas at a temperature T= 407 K and pressure p = 2…

A:

Q: After sitting on a shelf for a while, a can of soda at a room temperature (73∘73∘F) is placed inside…

A: Newton’s law of cooling

Q: The number densityN/Vof gas molecules at a certain location in the space above our planetis about…

A: Formula o pressure in terms of number density is as follows; P=nkT…

Q: After sitting in a refrigerator for a while, a turkey at a temperature of 40, degrees40∘40∘F is…

A:

Q: The number density of gas atoms at a certain location in the space above our planet is about 1.40 ✕…

A: Number of atoms per unit volume = number density Number of moles per unit volume = number density /…

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.