subject
Chemistry, 07.04.2020 23:22 sandersmakaylaovq5vu

Classify the same processes as exothermic or endothermic.
Evaporation of alcohol from skin: liquid C3H30 +5.2 kJ → vaporized C3H30
Burning of propane in a gas grill: C3H8 +502 — 3C02 + 4H20 + 1652 kJ
Oxidation of iron to form rust 4Fe +30, 2Fe2O3 +2221 kJ

ansver
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 08:00, hokamidat
Match the mixture with the substance// i really need on this guys (it’s a pic btw)
Answers: 1
image
Chemistry, 22.06.2019 18:00, ambarpena14
An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
Answers: 2
image
Chemistry, 22.06.2019 21:20, paatnguyyen
One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(ii) carbonate, in concentrated sulfuric acid. the sulfuric acid reacts with the copper(ii) carbonate to produce a blue solution of copper(ii) sulfate. scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: (s) (aq) (s) (aq) suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. he adds powdered iron to a copper(ii) sulfate sample from the plant until no more copper will precipitate. he then washes, dries, and weighs the precipitate, and finds that it has a mass of .
Answers: 2
image
Chemistry, 22.06.2019 21:20, brendonvernon8
Juju.01) 5 geologic events a group of students designed an experiment in an ice rink to represent the solar system. the steps of the experiment are listed below. 5: geologic events 1. choose a student to represent the sun. the planets are represented by two tennis balls. 2. ask the student to hold the tennis balls in each palm and spin on the ice with arms stretched out. 3. ask the student to draw in the arms after about 10 spins. 4. observe the student's arms rotate faster when they are closer to the body. 05 geologic events enors) the experiment most likely demonstrates that (2 points) 07 discussion-based sessment/module planets exert gravitational force on the sun the sun exerts gravitational force on the planets 3.07 discussion-based ssessment speed of a planet depends on its distance from the sun new version available! (3.0.119) get it now submit 18.07: module exam description
Answers: 3
You know the right answer?
Classify the same processes as exothermic or endothermic.
Evaporation of alcohol from skin: li...

Questions in other subjects:

Konu
History, 08.07.2019 14:30
Konu
Mathematics, 08.07.2019 14:30
Konu
English, 08.07.2019 14:30
Konu
Mathematics, 08.07.2019 14:30