Chemistry, 07.04.2021 02:40 ashtor1943
cells in animals and plants use the ___ that plants put in the air and___ that plants made in photosynthesis for energy by taking them in and breaking it down in to ___ and ___ which re-enter the atmosphere when they breath out,
Answers: 2
Chemistry, 22.06.2019 20:00
There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) โ c2h2 (g) + caoh2 (s) =ฮดhโ414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) โ 5ch2chco2h (g) =ฮดh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .
Answers: 3
Chemistry, 23.06.2019 06:50
Organisms are classified as producer or consumers according to the way they ?
Answers: 1
Chemistry, 23.06.2019 07:00
The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?
Answers: 2
cells in animals and plants use the ___ that plants put in the air and___ that plants made in photos...
Social Studies, 03.02.2020 19:53
Mathematics, 03.02.2020 19:53
History, 03.02.2020 19:53
Social Studies, 03.02.2020 19:53
Chemistry, 03.02.2020 19:53
Mathematics, 03.02.2020 19:53
Mathematics, 03.02.2020 19:53
Mathematics, 03.02.2020 19:53
History, 03.02.2020 19:53
English, 03.02.2020 19:53
Physics, 03.02.2020 19:53
Mathematics, 03.02.2020 19:53
Mathematics, 03.02.2020 19:53