Calculate the amount of heat needed to boil 23.1g of octane (C8H18), beginning from a temperature of 97.0°C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol.

Hydrochloric acid can dissolve solid iron according to the following reaction. Fe (s) + 2 HCl(aq) → FeCl₂ (aq) + H₂ (9) Part A What minimum mass of HCl in grams would you need to dissolve a 3.0 g iron bar on a padlock? Express your answer using two significant figures. ΓΨΠ ΑΣΦ m = Submit Part B Request Answer m = ? ? Pearson How much H₂ would be produced by the complete reaction of the iron bar? Express your answer using two significant figures. ΓΨΠ ΑΣΦ 8.0 ? g 8.0 Copyright © 2023 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions | Contact Us |

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.

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

Try Again Your answer is wrong. In addition to checking your math, check that you used the right data and DID NOT round any intermediate calculations. Calculate the amount of heat needed to melt 130. g of solid acetic acid (HCH³CO₂) and bring it to a temperature of 64.3 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 38.2 kJ x10 X S

Give typed full explanation not a single word hand written otherwise leave it

Please don't provide handwritten solution

please answer quickly and correctly please round to 3 sig figs

Calculate the amount of heat needed to melt 16.0 g of solid octane (C8H₁8) and bring it to a temperature of 58.3 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. x10 X