Chemistry, 17.06.2021 18:20 estherdinhllama
Decomposing calcium carbonate yields calcium oxide and carbon dioxide. What information is needed to calculate the mass of calcium oxide that can be produced from 4.7 kg of calcium carbonate?
A. The balanced chemical equation
B. Molar mass of calcium carbonate
C. Number of molecules of calcium carbonate
D. Molar masses of calcium carbon and oxygen
Answers: 1
Chemistry, 22.06.2019 12:30
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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?
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Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. moss campion is one of the plants found in the alpine biome. it has small leaves and a cushion shape that protect it from the wind and freezing temperatures in the alpine. how has the moss campion adapted to enable its survival in the alpine biome? a. waxy needles b. cone-shaped c. thin trunks d. low-growing
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Decomposing calcium carbonate yields calcium oxide and carbon dioxide. What information is needed to...
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