In this experiment both water and ethanol must be heated to a temperature above room temperature but below their boiling points. Look up the normal boiling points of ethanol and water in Celsius and report them to one decimal place. Ethanol = ºC Water = ºC

Calculate the amount of heat needed to boil 34.0 g of water (H₂O), beginning from a temperature of 51.4 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. x10 X 1/5 Ś ? 000 Ar

Calculate the amount of heat needed to melt 180.g of ice (H2O) and bring it to a temperature of 41.4°C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol.

(CONTINUED ON NEXT PAGE) 4. Let's say that the full volume of your flask is 325 ml. You heat the flask of air in a hot water bath at 89.0°C according to your thermometer. You then inverti into the cold water bath at 5.0°C Water enters the flask as the volume of the gas shrinks. a) Theoretically, what should the volume of the gas be after it sits in the cold water bath? b) You find that during your experiment that 65.0 mL of water has entered the flask. What is the experimental volume of the gas? c) What is your percent error for this measurement?

Calculate the amount of heat needed to melt 66.7 g of ice (H,O) and bring it to a temperature of 62.2 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol.

please answer quickly

While heating two different samples of water at sea level one boils at 102°C and one boils at 99.2°C calculate the percentage error for each sample from the theoretical hundred degrees Celsius

In Ray Bradbury’s 1953 novelFahrenheit 451, 451°F is said to be the temperature at which books,which have been banned in the story, ignite. Convert 451°F to theCelsius scale.

The results for the demonstration for polarity of various substances presented in the image below. Note that each vial has two liquid layers, water and oil. (Oil is a hydrocarbon chain.) Use this image to complete the following question. oil oil oil oil oil water water water water water With iodine (dark purple solid) Blank With copper sulfate (ight blue solid) With sulfur (yellow solid) With sodium chloride (no solute) (colortess, ionic solid) Classify each of the compounds on display as a polar liquid, non-polar liquid, polar solid or non-polar solid.

Calculate the amount of heat needed to melt 140. g of ice (H₂O) and bring it to a temperature of 23.2 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. □ x10 X