120 90 60 30 Time (minutes) Describe the substance at 55°C No partial credit. (Hint: each gridline upwards is 5 C) Show Your Work Solid 120- Liquid Gas 00 Evaporation 30- Time (minutes) Melting Sublimation Temperature (C)
Q: To conduct a physics experiment, Jason put 75.6g of ice at -40 degrees Celcius into a 125g styrofoam…
A: Mass of the ice is Mice = 75.6 g Temperature of the ice is Ti = -40 degree Celsius Mass of the water…
Q: How much heat must be transferred to 29 kg of air to increase the temperature from 20 degrees C to…
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Q: How much ice at -15 °C is needed to condense 80 g of steam at 100°C and reduce the temperature of…
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Q: Alcohol and mercury thermometers can be used to measure temperatures high as 200°C. as Select one: O…
A: Alcohol and mercury thermometers are used to measure temperatures at range of -200oC to 78oC.
Q: to heat the lead if it has a specific heat capacity of .129 J/ g°C. Answer: 9-10. A 1000 g cube of…
A: Given: The mass of cube lead is m=1000 g. The initial temperature of cube lead is T1=25°C. The final…
Q: Heat transfer by radiation requires: a. none of the above Ob. fluids O C. gases d liguids
A: Required : Heat transfer by radiation requires ...
Q: A drum 0.5 ft in diameter and 45 inches long contained acetylene at 350 psia, 90 0F. After some of…
A: Given The diameter of the drum is d = 0.5 ft. The length of the drum is l = 45 in ×1 12 ft1 in=3.75…
Q: How much heat is necessary in kcal to change 15-lb of ice at -30 degrees C to water at 60 degrees C.…
A: Given data The mass of the ice is given as m = 15 lb. The initial temperature of the ice is given…
Q: Calculate the energy absorbed when 89g of water is boiled at 100.0°C. Latent heat of vaporization…
A: The boiling of the water is the process by which water turns into vapor when it is heated to its…
Q: Calculate the osmotic pressure of 25% of the urea solution at a temperature of (37°C).
A: We have, urea solution with 25% concentration Temperature, T=37∘C = 273+37 = 310 K Gas constant, R =…
Q: Calculate the heat change in calories for vaporization of 20.0
A: Given, 20.0 gram water at 1000 C
Q: CO2 at one atmosphere pressure and temperature- 60 degree C is compressed isothermally. Does it go…
A: The P_T phase diagram for CO2 is drawn in the graph.
Q: State the common phases of matter.
A: The common phases of matter are the solid, liquid and the gas phases.
Q: The highest atmospheric temperature ever recorded on earth was 57.8 C°. How will you express this…
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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: A particular balloon is designed by its manufacturer to be inflated to a volume of no more than 3.5…
A: At constant volume, pressure is directly proportional to temperature. Hence, calculate the pressure,…
Q: Beer's law is used for this problem. I need help finding epsilion. path lenght 1cm a- 0.84164…
A: Beer's law generally relates the attenuation/absorption of light through a material to the…
Q: . At 20oC an iron bar is 4.5000 m long and a brass bar is 4.4945 m. Find the temperature (in degrees…
A: Length of iron, Li = 4.5 m length of brass, LB = 4.4945 m Initial temperature, T = 20 oC αIron =…
Q: How much heat is needed to change 7.2 kg of solid ethyl alcohol at -211°C to liquid at 50.0°C? 2.419…
A: GivenMass of ethyl alcohol (m) =7.2 kgInitial temperature of ethyl alcohol =-211°CFinal temperature…
Q: Find the new length (in m) of an 13.45 m copper pipe that is heated from -19.1˚C to 57.6˚C [round…
A: Given Initial length, Lo = 13.45 m Initial temperature, To = -19.1 °C Final temperature, T = 57.6…
Q: What line segment(s) do the following occur a. Is LIQUID only b. Vaporization (boiling) c. Freezing…
A: Disclaimer: As the question number is not mentioned, only question no. 18 will be solved. If you…
Q: ΔΤ Cooling constant from graph: (ТМ-ТА) 2 0.04 %3! 75-25
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Q: How many kilo calories (kcal) required to change 1 kg of 0°C ice to 0°C are water?
A: Total Heat required for phase change from ice to water is given by Q = ml Here, Q = total heat…
Q: Compare the relative merits of mercury and alcohol as a thermometer liquid.
A: Relative merits of mercury and alcohol as a thermometer liquid are:
Q: How much energy (in kJ) is required to boil 0.1 kg of ethyl alcohol that is initially at 11.8˚C…
A: Given Mass of ethyl alcohol m=0.1 kg Initial temperature Ti=11.80 C Lv = 855,000 J/kg Boiling point:…
Q: Warning: his is all of nothing proDIen How much ice at -15 °C is needed to condense 109 g of steam…
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Q: 4. 300g of water at 50°C in a 100g glass are added to 20g of ice at 0°C. Solve for the final…
A: Given: Mass of water = 300 grams Initial temperature of the water = 50o C Mass of ice = 20 g…
Q: Civen: into water at 55°C. Lf for water= 80 cal/gm kcal/kgx°C) You want to change 5kg of ice at 0 °C…
A: Given data: Mass (m) = 5 kg = 5000 g Initial temperature (T0) = 0°C Final temperature (T) = 55°C…
Q: Suppose your 60.0-L ( 15.9 -gal) steel gasoline tank is full of gas that is cool because it has just…
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Q: total heat needed
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Q: 2. 200g of water at 50°C in a 80g glass are added to 10g of ice at 0 °C. Solve for the final…
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Q: Determine the amount of heat required to change 200 g of ice at -5°C to steam at 105°C. with…
A: Heat required to change the phase is H = m L Heat required to change the temperature is H = m c…
Q: How much heat is needed to change 7.2 kg of solid ethyl alcohol at -211°C to liquid at 50.0°C? 2419…
A:
Q: Calculate final temperature of 44 g of water heated with 2,766. The heat capacity of water is 4190…
A: mass of water = 44 x 10-3 Kg let, Initial Temperature = T1 oC
Q: How much heat is required to convert 11.0 g of ice at -14.0 ∘C to steam at 100.0∘C? (Express th…
A: Given data:Mass of the ice, m = 11.0 g = 0.011 kgSpecific heat of the ice, C = 2093 J/kg oCSpecific…
Q: True or False If all molecules in a liquid have the same temperature, it would be impossible to…
A: Given : To state whether true or false.
Q: What type of phase change does the following best describe? O melting condensation O freezing O…
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Q: State whether water at the following temperatures will expand or contract when warmed a little: 0°C;…
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Q: Derive an expression indicating Dalton's law of partial pressures and show the equation of state…
A: Dalton's law of partial pressures states that in a mixture of non-reacting gases, the total pressure…
Q: 4 kg of lead shot at 90.7o C are poured into 4 kg of water at 22.5o C. Find the final temperature…
A: Qlead=Qwatermleadclead90.7°C-T=mwatercwaterT-22.5°C
Q: State relation between Joule, Calorie, Kilocalorie. Also give its denoting signs.
A: “Joule” is the unit of energy/work. It is denoted by the letter ‘J’Calorie is also a unit of energy.…
Q: You are given 3.74 x 10g of coffee (same specific heat as water) at 83.6°C. In order to cool this to…
A: Given mass of coffee = 3.74 x 102 g specific heat of coffee = specific heat of water = 1 cal/g.ᵒC…
Q: mate critical heat flux. Take properties of saturated water - 2257 kJ/kg, o = 957,9 kg/m', o = 0.595…
A: Solution
Q: How much heat is required to convert 18. 0 g of ice at – 10.0°C to steam at 100. 0°C? Express your |…
A:
Q: State thermal equillibrium.
A: Thermal equilibrium:Two bodies or systems in contact are said to be in thermal equilibrium if both…
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- constant value mass of Imol volume of 1mol gas (100kPa and 300K) Thermal conductivity (100kPa and 300K) Volume of 1mol liquid (100kPa and boiling T) V=28.5cm³. т%39.9g V, =0.0242m3 k =0.0177 Wm-'K-1 And Cy 1 1 ki = lvrms V, 2 4ar2 NA use the thermal conductivity to calculate the size of atoms.(r is the radius of molecules -spheres). Cy/Vg Urms Compute constants like R and k) and obtain a numerical estimate of mean free path and using only the given numbers (so you can't use any number or physicalOxygen has a heat capacity Cp, in cal/(gmole-K), which is a function of absolute temperature T, in K, represented by the equation Cp = 8.27 + 0.000258T – 187,800/T². At what temperature is the heat capacity equal to 8.44?A. 1213.8 KB. 1312.4 KC. 1421.0 KD. 1468.5 K Ans: 1213.8 KYou are studying a liquid that you have just synthesized in the laboratory, and you would like to get a rough idea of its enthalpy of J -), you measure its normal boiling point and find that it is mol. K vaporization. Assuming that it reflects Trouton's rule (namely that A vap 368 K. Use this result to estimate AvapH in kJ/mol. S≈ 88-
- gas Lab 11 Instructions: Specific Heat Due: See Course Schedule eesm et elsluols mo nuoy b.e The density of iron is PFe €7.87g/cm3. Calculate the mass of the drilo diansb erT iron cube using the definition of density: p= m/V. Show your calculation. 10cm^3 10X10 x10 X 7.87 1.39/cm 3 7,810 gms Answer: こ take mass : by volum e mass - volum ecc (cm³) こ1 mome erlt sisidile erlt ec. woThe density of brick is pbr = 1.92g/cm³. Calculate the mass of the sriw wole brick cube using the definition of density: p = m/V. Show your pnnuas calculation. omme er euld en T0Answer: xac Massco = 1.42 x 10 cm Icm 3 1.9 Zg eignsit er = 19.2 19.2g こ d. The water and the oil are both in beakers which have a 3-liter capacity. Each of the major tick marks on the beaker is 1 liter, elsidile and each minor tick mark i6 0.2 liters. Examine the beakers and ut6ied determine the volume (in ml) of each liquid. (There are 1000 ml 1000mL= IL in one liter, and that 1 ml = 1 cm³.). hdml lcm3 ierine Answer:uteTegnmet eid) ho…The saturated vapor pressure of mercury is 0.0020 mmHg at 300 K and the density of air at300 K is 1.18 g L−1. ]ag Calculate the concentration of mercury vapor in air in mol L−1. ]bg Whatis the number of parts per million ^ppmh by mass of mercury in air?One process for decaffeinating coffee uses carbon dioxide ( M=44.0 g/mol) at a molar density of about 14,0 mol/m3 and a temperature of about 60 . (a) Is CO2 a solid, liquid, gas, or supercritical fluid under those conditions? (b) The van der Waals constants for carbon dioxide are a=0.3658 Pa m6/mol2 and b=4.286105 m3/mol. Using the van der Waals equation, estimate pressure of CO2 at that temperature and density. `
- Dry air consists of approximately 78% nitrogen, 21% oxygen, and 1% argon by mole, with trace amounts of other gases. A tank of compressed dry air has a volume of 1.76 cubic feet at a gauge pressure of 2200 pounds per square inch and a temperature of 293 K. How much oxygen does it contain in moles?Unreasonable results. (a) Find the temperature of 0.360 kg of water, modeled as an ideal gas, at a pressure of 1.01105 Pa if it has a volume of 0.615 m3. (b) What is unreasonable about this answer? How could you get a better answer?A 100-g piece of copper, initially at 95.0C, is dropped into 200 g of water contained in a 280-g aluminum can; the water and can are initially at 15.0C. What is the final temperature of the system? (Specific heats of copper and aluminum are 0.092 and 0.215 cal/g C. respectively.) (a) 16C (b) 18C (c) 24C (d) 26C (e) none of those answers
- Using a numerical integration method such as Simpson's rule, find the fraction of molecules in a sample of oxygen gas at a temperature of 250 K that have speeds between 100 m/s and 150 m/s. The molar mass of oxygen (O2) is 32.0 g/mol. A precision to two significant digits is enough.40000cm, and at 1000C its length is 40060cm. (a) What is the linear expansion coefficient of the alloy? (b) what is the temperature when its length is 39975cm? (10) A hole with diameter of 2cm is drilled through a stainless steel pate at room temperature (20OC). By what fraction (Dr/r) will the hole be larger when the plate is heated to 1500C? (11) Calculate the fractional change in volume (Dv/v) of an aluminum bar that undergoes a change in temperature of 300C.3. Suppose that some researchers found a 100g of solid Nitrogen originally at 63K. If this Nitrogen was then put into contact with a solid sphere of iron originally at 20°C with mass 100g and radius 1.28 cm, what is the final temperature of the isolated Nitrogen/Lead system and how much does the volume of the sphere shrink? Please Show me how to solve this preblem tN neat ancd CieaR cdetail. Show all equatons equations that I must use to ger the Cirrect answee, Thank gon.!.