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Enter your answer in the provided box. A 27.5-g sample of ethylene glycol, a car radiator coolant, loses 845 J of heat. What was the initial temperature of the ethylene glycol if the final temperature is 32.5°C? (c of ethylene glycol = 2.42 J/g.K)
Enter your answer in the provided box. A 25.2-g sample of ethylene glycol, a car radiator coolant, loses 979J of heat. What was the initial temperature of the ethylene glycol if the final temperature is 32.5°C? (e of ethylene glycol = 2.42 J/g K) PC
1. Calculate q when 29.6 g of ice is cooled from −26.2°C to −78.3°C (cice = 2.087 J/g·K)? 2. A 233−g aluminum engine part at an initial temperature of 11.77°C absorbs 80.4 kJ of heat. What is the final temperature of the part (c of Al = 0.900 J/g·K)? 3. A 24.0−g sample of ethylene glycol, a car radiator coolant, loses 510. J of heat. What was the initial temperature of the ethylene glycol if the final temperature is 32.5°C?...
6.25 A 27.7 g sample of ethylene glycol, a car radiator coolant, loses 688 J of heat. What was the initiai temperature of the ethylene glycol if the final temperature is 32.5 e? (s of ethylene glycol 2.42 J/g. c) 627 One piece of copper jewelry at 105 C has exactly twice the mass of another piece, which is 45 °C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the...
6.21) Is the specific heat capacity of a substance an intensive or extensive property? Explain. 6.23) Calculate q when 0.10 g of ice is cooled from 10. °C to -75. °C. (S ice = 2.087 J/g•°C). 6.25) A 27.7 g sample of ethylene glycol, a car radiator coolant, loses 688 J of heat. What was the initial temperature of the ethylene glycol if the final temperature is 32.5 °C? (s of ethylene glycol = 2.42 J/g•°C) 6.27) One piece of...
please help me answer this question with steps thank you. 5. Ethylene glycol (antifreeze, CH2(OH)CH2(OH)) has a regular boiling point of 197°C, what is the freezing point of a solution that has 982.91 mL of water and 390.2 g of ethylene glycol in i t? (cter)1.3 oC
Please answer below question. Thank you 1H Saved mework: Gases and Kinetic-Molecular Theory 39 3 attempts let Check my work Enter your answer in the provided box. An environmental engineer analyzes a sample of air contaminated with sulfur dioxide. To a 500.-mL sample at 700. torr and 38°C, she adds 18.25 mL of 0.01017 M aqueous iodine, which reacts as follows: 48 oints SO (2) +I2ag) + H,00 HSO a) + ITag) +H'(ag) lunbalancedl eBook Excess 12 reacts with 11.37...
Saved 3 attempts left Check my work Enter your answer in the provided box. When 23.4 mL of 0.500 M H2SO4 is added to 23.4 mL of 1.00 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17ºC. Calculate AH of this reaction. (Assume that the total volume is the sum of the individual volumes and that the density and specific heat capacity of the solution are the same as for pure water.) (d for water =...
Saved 3 attempts left Check my work Enter your answer in the provided box. When 161.0 mL of water at 26.0°C is mixed with 91.0 mL of water at 85.0°C, what is the final temperature? (Assume that no heat is lost to the surroundings; d of water is 1.00 g/mL.) PC < Prex Nexo 7 of 14 W
Please answer below question. Just the simple complete answer, thank you General Chemistry I Lecture 1H Home T MysC Homework: Three Major Classes of Chemical Saved 12 3 attempts left Check my work Enter your answer in the provided box. 0.5 points Water "softeners" remove metal ions such as Ca2+ and Fe+ by replacing them with enough Na* ions to maintain the same number of positive charges in the solution. If 3.72 x 102 L of "hard" water is 0.0680...