How to find the number of atoms in an iron cylinder given its mass(g)?
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Q: 25 L of Gas at 45°c and unknown pressure has its volume increased to 34 L and its temperature…
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Q: What is the volume now? Calculate to 2 decimals.
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Q: f a 2 m3 of gas initially at STP is placed under a pressure of 3 atm, the temperature of the gas…
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Q: a=6πb/q√17 relating the variables a, b and q.
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How to find the number of atoms in an iron cylinder given its mass(g)?
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- If a 4 m3 of gas initially at STP is placed under a pressure of 3 atm, the temperature of the gas rises to 45◦C. What is the volume now? Calculate to 2 decimals.The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Each particle has a mass of 1.67 x 10-27 kg and radius on the order of 10-15 m. (a) Use this model and information to estimate the density of the nucleus of an atom. 3.986E177 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. kg/m³ (b) Compare your result with the density of a material such as iron. What do your result and comparison suggest about the structure of matter?You are using a microscope to view a particle of lycopodium powder suspended in a drop of water on a microscope slide. As water molecules bombard the particle, it "jitters" about in a random motion (Brownian motion). The particle's average kinetic energy is the same as that of a molecule in an ideal gas (K = 3KBT). The particle (assumed to be spherical) has a density of 250 kg/m³ in water at 17ºC. 2 (a) If the particle has a diameter d, determine an expression for its rms speed in terms of the diameter d. (Enter your answer as a multiple of d-³/2. Assume is in m/s and d-3/2 is in m-3/2. Do not include units in your answer.) Vrms d-3/2 Vrms (b) Assuming the particle moves at a constant speed equal to the rms speed, determine the time required for it to travel a distance equal to its diameter. (Enter your answer as a multiple of d5/2. Assume t is in seconds and d5/2 is in m5/2. Do not include units in your answer.) d5/2 t = (c) Evaluate the rms speed (in mm/s) and the time (in ms)…
- The settling rate of particulates in the air follows Stokes' law. If particulates of diameter of 10 nm emitted in the atmosphere are found to settle out after 2 days, how long would it take particulates of the same material with a diameter of 5 nm to settle out if they are emitted from the same source?RTI The molecules in a six-particle gas have velocities ₁ (201-30j) m/s V2 (10i+60j) m/s 73=(-501 +20j) m/s 7= 30i m/s Vs (40i-40j) m/s ₁=(-50 i 10j) m/s Calculate Varg Express the x and y components of the velocity in meters per second separated by a comma. Uz avg, Uy avg Submit Part B VD|| ΑΣΦ Request Answer W Calculate Davg- Express your answer with the appropriate units. ? m/sIf a 5 m3 of gas initially at STP is placed under a pressure of 3 atm, the temperature of the gas rises to 17◦C. What is the volume now? Calculate to 2 decimals.
- A sample of argon gas is in a container at 35.0° C and 1.22 atm pressure. The radius of an argon atom (assumed spherical) is 0.710 x 10-10 m. calculate the available volume for each atom.What is the typical speed of a helium atom in a child’s balloon at a room temperature of 20°C?If a 3 m3 of gas initially at STP is placed under a pressure of 2 atm, the temperature of the gas rises to 22◦C. What is the volume now? Calculate to 2 decimals.
- Viscosity of fluid plays a significant role in the analyses of many fluid dynamics problems. The viscosity of water can be determined from the following correlation: q10(72,) where e = viscosity (N/s•m²) T- temperature (K) - 2.414 x 10-s 2 - 247.8 (K) s = 14 0 (K) What is the appropriate unit for q, if the above equa- tion is to be homnogeneous in units?The radius of Jupiter is about 69.0 x 103 km. The radius of the Sun is about 68.0 x 104 km. How many Jupiter volumes would fit inside the suns volume ?A proton, which is the nucleus of a hydrogen atom, can be modeled as sphere with a diameter of 2.4 fm and a massof 1.67 x 10^-27 kg. Determine the density of the proton.