A 108-g cube of ice at 0°C is dropped into 1.0 kg of water that was originally at 74°C. What is the final temperature of the water after the ice has melted? 70 Your response differs from the correct answer by more than 10%. Double check your calculations.°C
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- Water at 34.0 °C is sprayed onto 0.154 kg of molten gold at 1063 °C (its melting point). The water boils away, forming steam at 100.0 °C and leaving solid gold at 1063 °C. What is the minimum mass of water that must be used? No handwriting plzProblem 6: Suppose you pour 0.0125 kg of 20.0°C water onto a 1.1-kg block of ice, sitting in a large bowl, which is initially at -15.0°C. The latent heat of fusion for water is Lf = 334 kJ/kg. What is the final temperature of this system? You may assume that the water cools so rapidly that effects of the surroundings are negligible.Part A Helium gas with a volume of 2.60 L, under a pressure of 0.190 atm and at a temperature of 43.0° C, is warmed until both pressure and volume are doubled. What is the final temperature? Express your answer in degrees Celsius. ? T = 172 °C Submit Previous Answers Request Answer Previous Answers X Incorrect; Try Again; 5 attempts remaining Part B How many grams of helium are there? The molar mass of helium is 4.00 g/mol. Express your answer in grams. V ΑΣφ m =
- An aluminum rod 17.400 cm long at 20°C is heated to 100°C. What is its new length? Aluminum has a linear expansion coefficient of 25 × 10-6 K-1 what is the correct formula for this problem€2 When an air bubble rises from the bottom to the top of a freshwater lake, its volume increases by 75%. If the temperature at the bottom of the lake was 3°C and at the top was 13.5°C, how deep is the lake? Hint The lake is Question Help: Message instructor Submit Question #3 3 E 80 F3 $ 4 F4 R cr dº % m deep. 5 F5 T A 6 MacBook Air F6 & 7 F7 Y U *00 8 DII F8 - ( 9 DD F9 1 0 0Temperature & Heat 13. At 30 °C the volume of an aluminum sphere is 30 cm³. The coefficient of linear expansion is 24 x 10 C¹. If the final volume is 30.5 cm³, what is the final temperature of the aluminum sphere? Assume B = 3 a 14. A 500-gram cube of lead is heated from 25 °C to 75 °C. How much energy was required to heat the lead? The specific heat of lead is 0.129 J/g-°C. 15. How much heat is required to convert 135 g of ice at -15 °C into water vapor at 120 °C? (Assume c of steam = 1.996 J/g-°C, c of water = 4.1858 J/g-°C, c of ice =2.090 J/g-°C. Lv of water = 540 cal/g & Lf of water = 80 cal/g)
- 1. A cylinder containing an ideal gas is rapidly compressed as a piston is very quickly pushed down. There are 30 moles of gas. Initial values are: T₁ = 350 K, P₁ = 300 kPa. The final Temperature is Tr 400 K. a. What kind of process is this? b. How much heat is exchanged during this process? C. What is the change in thermal energy of the gas during this process? فQuestion #8 pleaseQUESTION 7 The average body temperature of a living human being is 98.6° F. This temperature in kelvins is а. 300 K b. 310 K C. 293 K d. 273 K е. 283 К
- One mole of oxygen gas is at a pressure of 5.45 atm and a temperature of 27.5°C. (a) If the gas is heated at constant volume until the pressure triples, what is the final temperature? °C (b) If the gas is heated so that both the pressure and volume are doubled, what is the final temperature? °C Submit AnswerA 850 g aluminum pan is removed from the stove and plunged into a sink filled with 11.0 L of water at 20.0 °C. The water temperature quickly rises to 24.0 °C. Part A What was the initial temperature of the pan in °C? Express your answer with the appropriate units. Tinitial Submit Part B 11 Tinitial VO V—| ΑΣΦ Request Answer What was the initial temperature of the pan in °F? Express your answer with the appropriate units. VE ΑΣΦ C Ć SALA CO — ? ? °F °CA(n) 65-g ice cube at 0°C is placed in 680 g of water at 28°C. What is the final temperature of the mixture? 27.31 X Your response differs from the correct answer by more than 10%. Double check your calculations. °C