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What is the method of mixtures, and how it used to determine specific heat?
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- (¦ Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . A company decides to make a novelty glass thermometer that uses water instead of mercury or alcohol. (a) The thermometer would include a warning informing the user mat it should not be exposed to temperatures below 0°C Why? (b) Suppose the thermometer is taken outside where the temperature is 1°C Describe how the level of the water would change as it adjusts to the new temperature and how at some point it would behave very differently than a mercury- or alcohol-filled thermometer.(¦ Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) A special glass thermometer is manufactured using a liquid that expands less than glass when the temperature increases, assuming the thermometer does indicate the correct temperature what is different about the scale on it?What is the principle of calorimetry and how can it be applied to determine the specific heat capacity of a substance?
- Thermodynamics. Describe the principles of the following instruments used for accuratemeasurement of temperature. In your answer, draw diagrams showing thesetup for each instrument, state the temperature range in which they are usefuland give one important advantage of each instrument.(a) Magnetic thermometer(b) Optical pyrometer(c) Vapor pressure thermometerHow does the average kinetic energy of each gas in a mixture compare?a gas at a fixed volume has an initial volume of 132 L and a temperature of 24.80 K. The temperature is decreased to 10.01 K. What is the new volume? *USE THE EQUATION FOR CHARLES LAW*
- Create a visual aid story board to show how ice changes into steam. (Minimum of 5 frames)How would you describe the state of the water in a bathtub? How would you describe the process that this water experiences as it cools?Heat is measured in the units of? choose one correct answer A. Degree celsius (0C) B. Watts C. Joules (J) D. Degree Fahreinheit (0F)
- Answer the following items scientifically. Using the concept of kinetic molecular theory, explain why a solid can directly evaporate.How many kilocalories of heat that would be needed to melt 0.32kg of ice at 0°C and increase the temperature to 25°C? The specific heat of water is 1cal/g.°C, specific heat of ice is 0.5 cal/g.°C , the latent heat of ice to water is 80 cal/g. Keep one digit after the decimal.A coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C. An unknown sample with a mass of 1.972 grams was placed inside making the water temperature rise up to 25.5°C. The initial temperature of the metal was 98.3°C. 2. What is the specific heat of the unknown sample?___________ (round off final answer to 2 decimal places)