A container holding 1.5 moles [mol] of oxygen (formula: O2, molecular weight = 32 grams per mole [g/mol]) at a pressure of 1.5 atmospheres [atm] and a temperature of 310 kelvins [K] is heated to 420 kelvins [K], while maintaining constant amount and volume. What is the new pressure inside the container in units of pascals [Pa]?
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- A cylindrical pipe with a cross-sectional radius r = 1.40[cm] is plunged into a l = 2.30[m] tall open water drum that is initially completely filled with water (pwater = 1000 [kg/m3]). The pipe goes h1 = 0.35 [m] above the drum before dropping down h2 = 3.50 [m] below the base of the drum as shown. The cross-sectional radius of the top side of the pipe is R = 2.20 [cm].A. How fast is the water going out of this pipe?B. What's the liquid's pressure at the top of the pipe? Assume that the system is exposed to 1.00 [atm] of air pressure.C. What's the maximum height the pipe can go above the drum before the water stops flowing out of the pipe? For liquid flow to be continuous, the liquid’s pressure must not fall before its vapor pressure. Assume that vapor pressure, in this case, is 2.30 [kPa].arrow_forwardA steam boiler with a capacity of 30 [m3] contains saturated liquid water and saturated steam in equilibrium at 700 [kPa]. Initially, the liquid and vapor occupy equal volumes. During a certain time interval, saturated vapor is withdrawn from the boiler while simultaneously 15,000 [kg] of liquid water at 40 [0C] are added to the boiler. During the process, the boiler is maintained at the constant pressure of 700 [kPa] by the addition of heat. At the end of the process, the saturated liquid remaining in the boiler occupies one-quarter of the boiler volume and saturated vapor fills the remainder. How much heat was added to the boiler during the process?arrow_forwardA robot is exploring Charon, the dwarf planet Pluto's largest moon. Gravity on Charon is 0.278 meters per second [m/s2]. During its investigations, the robot picks up a small spherical rock for inspection. The rock has a diameter of 6 centimeters [cm] and is lifted 16 centimeters [cm] above the surface. The specific gravity of the rock is 10.7. The mechanism lifting the rock is powered by a 9-volt [V] power supply and draws 1.09 milliamperes [mA] of current. It requires 13 seconds [s] to perform this lifting task. What is the efficiency of the robot?arrow_forward
- A 4.5-centimeter [cm] radius cylindrical tank holds a liquefied version of a new polymeric compound for space flight to Mars. The tank is pressurized to prevent evaporation at a surface pressure of 1.38 bar [bar]. A total pressure probe located at the bottom of the tank reads 21.45 pound-force per square inch [psi]. If the specific gravity of the gel is 8.9, what is the mass of gel contained in the tank in units of kilograms [kg]? Assume acceleration due to gravity simulated on the spacecraft to be 8.4 meters per second squared [m/s]. Click the icon to view the conversion table. The mass of the gel is .02 kg. (Round your answer to two decimal places.)arrow_forwardIf a ball is dropped from a height (H) its velocity will increase until it hits the ground (assuming that aerodynamic drag due to the air is negligible). During its fall, its initial potential energy is converted into kinetic energy. If the ball is dropped from a height of 680 centimeters [cm], and the impact velocity is 38 feet per second [ft/s], determine the value of gravity in units of meters per second squared [m/s2].arrow_forwardA 4.5-centimeter [cm] radius cylindrical tank holds a liquefied version of a new polymeric compound for space flight to Mars. The tank is pressurized to prevent evaporation at a surface pressure of 1.38 bar [bar]. A total pressure probe located at the bottom of the tank reads 21.65 pound-force per square inch [psi]. If the specific gravity of the gel is 8.9, what is the mass of gel contained in the tank in units of kilograms [kg]? Assume acceleration due to gravity simulated on the spacecraft to be 8.4 meters per second squared [m/s2].arrow_forward
- In a factory, 12 gallons [gal] of a liquid need to be raised 30 feet [ft] to be loaded into a piece of equipment. During this process, the electric motor loses 700 watts [W] to heat while operating in a circuit that requires 15 amperes [A] of current and 110 volts [V]. The liquid has a total mass of 5 slugs [slugs] and the mass of the container is negligible. Determine the time required to lift the liquid in seconds [s].arrow_forwardA plastic bin with a volume of 1 gallon [gal] has a mass of 0.35 kilograms [kg] when empty and is sitting on a table in a warehouse. After the bin becomes partially filled, 1.3 pounds-force [lb] of force is applied to move the bin across the table, and the bin and its contents accelerate at a rate of 1.5 meters per second squared Ignore frictional losses. Determine the total weight of the bin and its contents in units of newtons [N].arrow_forward2) A crane lifts a container of 32 [Ton] mass, on a platform located at a height of h, and this takes a time of t = 9.3 [s], if the engine of the crane develops a power of 125663 [Watts]. How high is this platform? For the purpose of solving this problem, use gravity as 10 m / s ^ 2.arrow_forward
- T1- Ambient tempeture [k] t- inside tempeture [k] hoo-convective heat transfer coefficient of the air [W/m^2*k] t-thickness of walls[m] Kthermal conductivity (W/m-K) -(VIP) d-cube size [m] Ai-cube area inside [m^2] Ao-cube area outside [m^2] Ts-surface tempeture[k][ E-emissivity aluminium foil - Stefan Boltzmann constant W·m-2 K-4 303 290 10 0.08 0.007 1 6 6.96 300 0.03 5.67E-08 Q heat flux [W] ΔΤ ΣR F T₁ 111.0 0000 006%arrow_forwardm [kg] 4/₂ [m] SH с E Ctiven: m = 42kg L 57 B L[m] 15° A If AB and CB is taken as 1.1 [m]. 4/35 m [kg] k have Lengths of 0.305 [m] and Find the moment of force acting at point Azarrow_forwardA robotic rover on Mars finds a spherical rock with a diameter of 8 centimeters [cm]. The rover picks up the rock and lifts it 25 centimeters [cm] straight up. The rock has a specific gravity of 4.75. The gravitational acceleration on Mars is 3.7 meters per second squared [m/s²]. If the robot's lifting arm has an efficiency of 35% and required 10 seconds [s] to raise the rock 25 centimeters [cm], how much power in units of watts [W] did the arm use?arrow_forward
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