5. The final length of coin when placed in boiling water is 23.207 mm. 16. If the coin is heated at 42 degrees Celsius, then the increase in diameter is 0.0207 mm. 17. If the initial temperature is doubled, then the increase in coin’s diameter when placed in boiling water is 0.0414 mm.
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LESSON: ZEROTH LAW OF
MODIFIED TRUE or FALSE
Directions: Write TRUE if the statement is correct, otherwise, change the underlined word/s or values to make the statement correct. Write your answer on the space provided before each item number.
Statement: The Philippine one-peso coin has a diameter of 23.0 mm at 25 room temperature. Assume that the coin is made up of steel.
15. The final length of coin when placed in boiling water is 23.207 mm.
16. If the coin is heated at 42 degrees Celsius, then the increase in diameter is 0.0207 mm.
17. If the initial temperature is doubled, then the increase in coin’s diameter when placed in boiling water is 0.0414 mm.
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- LESSON: ZEROTH LAW OF THERMODYNAMICS AND TEMPERATURE MEASUREMENTMODIFIED TRUE or FALSE Directions: Write TRUE if the statement is correct, otherwise, change the underlined word/s or values to make the statement correct. Write your answer on the space provided before each item number. Statement: The Philippine one-peso coin has a diameter of 23.0 mm at 25 room temperature. Assume that the coin is made up of steel.11. The coefficient of expansion of a coin is 12 x 10−6℃−1.12. If the temperature is converted into Fahrenheit scale, then its equivalent is 93.16 degrees Fahrenheit.13. The equivalent temperature in Kelvin scale is 296.15 K.14. The increase in coin’s diameter when placed in boiling water is 0.0207 mm.15. The final length of coin when placed in boiling water is 23.207 mm.16. If the coin is heated at 42 degrees Celsius, then the increase in diameter is 0.0207 mm.17. If the initial temperature is doubled, then the increase in coin’s diameter when placed in boiling water is…The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure -47. °C 0.0484 atm -35. °C 0.131 atm -23. °C 0.322 atm Use this information to calculate the enthalpy of vaporization of X. Round your answer to 2 significant digits. Be sure your answer contains a correct unit symbol. x10QUESTION 25 The temperature at state A is 20°C, that is 293 K. What is the heat (Q) for process A to D, in MJ (MegaJoules)? (Hint: What is the change in thermal energy and work done by the gas for this process?) Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. p (atm) 5 4 3 2 1 O A D 1 1 2 3 4 B I 5 → V (m³)
- A calorimeter does not involve measurement of temperature. True or False? a) True b) FalseAn arctic weather balloon is filled with 1.56L of helium gas inside a prep shed. The temperature inside the shed is 11.°C. The balloon is then taken outside, where the temperature is 2.°C. Calculate the new volume of the balloon.You may assume the pressure on the balloon stays constant at exactly 1atm. Round your answer to 3 significant digits.IP A gas has a temperature of 310 K and a pressure of 105 kPa Part A Find the volume occupied by 1.50 mol of this gas, assuming it is ideal. Express your answer using three significant figures. Vgas 3.68x102 m² Submi Part B Correct Correct answer is shown. Your answer 0.037 m² was either rounded differently or used a different number of significant figures than required for this part. Important: If you use this answer in later parts, use the full unrounded value in your calculations. Previous Answers Verdan Assuming the gas molecules can be approximated as small spheres of diameter 2.5x10-10 m, determine the fraction of the volume found in part A that is occupied by the molecules. Express your answer using two significant figures. Submit Review ΥΠ' ΑΣΦΑ Previous Answers Request Answer
- QUESTION 15 The volume of an automobile tire is 2.5 x 10 m3, the pressure of the air in the tire is 2.5 atm and the temperature is 25C . what is is the mass of air in grams ? The mean molecular mass of air is 29g. 1 atm = 1.01 x 105 Pa Calculate to 2 decimals. Chck Save and Submit 10 soee and submit. Click Save AL Answers to save all answers. Save All Answe 76 F ClearAn object was left in a room of unknown surrounding temperature. The temperature of the object was summarized below with respect to the time t (in minutes) the object was initially observed. Predict and complete the information, i.e. determine the temperature in Celsius when t = 30 minutes. Put your answer accurate up to four decimal places. No need to put in the units of measurement. When t = 0, the temperature of the object is 30 degrees Celsius. When t = 10 minutes, the temperature of the object is 32 degrees Celsius. When t = 20 minutes, the temperature of the object is 33.6 degrees Celsius. When t = 30 minutes, the temperature of the object is unknown. Assume the system obeys Newton’s Law of Cooling and the surrounding temperature of the room did not change.2.00 mol of gas at a temperature of -160 °C fills a 2.70 L container. What is the gas pressure? Express your answer with the appropriate units. μÅ Value Submit Units ? Previous Answers Request Answer
- The specific heat of liquid water is 4190 J/kg. K. ▼ Part A What is the molar specific heat of liquid water in J/mol. K? Give your answer as a multiple of R, rounded to the nearest half integer. Express your answer as a multiple of R to the nearest half integer. Cmol = 9 R Submit Correct Part B Previous Answers Equal moles of liquid water and helium gas are heated at constant pressure from the same initial temperature to the same final temperature. By what factor is the entropy increase of the water larger than the entropy increase of the helium? Express your answer to two significant figures. AS water ASHe Submit 17| ΑΣΦ Request Answer ?IP A gas has a temperature of 310 K and a pressure of 102 kPa Part A Find the volume occupied by 1.15 mol of this gas, assuming it is ideal. Express your answer using three significant figures. 3 Vgas = 2.90x10-² m Submit Correct Part B Vmolecules √gas Previous Answers Assuming the gas molecules can be approximated as small spheres of diameter 3.0x10-10 m, determine the fraction of the volume found in part A that is occupied by the molecules. Express your answer using two significant figures. Submit || VE ΑΣΦ Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Review ?Consider the equation a=6πb/q√17 relating the variables a, b and q. If a scientist does an expirment in which b is held constant, q is varied, and a is measured. A. What specifically about the graph would confirm the relationship? B. What is the theoritical slope of the line on the graph?