Water Thermometer
38g glass thermometer reads 20.7C before being placed in 122mL of water …?
38g glass thermometer reads 20.7C before being placed in 122mL of water. When the water and the thermometer to reach equilibrium, the thermometer reads 42.2C. What was the initial temperature of the water?
Use QOUT (water) = Q (m) of glass * c * DeltaT (water) = m * c * DeltaT (.122 kg glass 4190J/kgC * * (Tw – 42.2) = 0.038 * 750J/kgC * (42.2 — 20.7) = 613J So Tw = (613 + .122 * 4190 * 42.2) / (.122 * 4190) = 43.4degC
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Digital window thermometer £12.95 The easiest way to see what the weather is like. This digital window thermometer shows the outdoor temperature in large, easy-to-read figures. The minimum and maximum temperature today are automatically updated every day. This thermometer is very easy to mount: Stick the holder from outside on to the disc and hang the thermometer, done! Easy detachment for window cleaning or changing batteries…. |
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Gourmet folding probe thermometer £11.34 The water resistant Gourmet folding probe thermometer is an easy to use instrument, ideal for monitoring cooking, cooling and food holding temperatures as part of HACCP and health and safety procedures. The unit measures temperature over the range of -49.9 to 149.9°C with a 0.1°C resolution and incorporates two push button switches, max/min and on/off. The Gourmet’s battery will last up to 8,000… |
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Lifemax Floating Bath Thermometer/Clock £8.95 … |
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Bathtime Submarine Thermometer £2.75 … |
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Energy/Money Saving Green Eco Room Thermometer & ‘Too Hot’ Water Thermometer pack £3.25 This Energy/Money Saving Eco Room Thermometer allows you to check if your room is too hot or too cold. The Boiler monitor card allows you to see if the hot water temperature is too hot. Save energy/money on Boiler/Hot water costs. The room thermometer has been approved by the Energy Saving Trust, with their top 10 tips to save energy and your carbon footprint on the rear of the card. Is your water… |
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Digi Duck – Digital Water Thermometer and Bath Time Toy £10.95 TensCare Digi Duck Digital Water Thermometer is a must for any parent seeking peace of mind at bath time. The unobtrusive and practical design offers rapid, accurate bath water temperature readings…. |
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