Chemistry, 24.10.2019 21:43, genyjoannerubiera
calcium carbonate is a compound that is used to make chalk for drawing on rocks or pavement. one molecule has one atom of calcium (ca), one atom of carbon (c), and three atoms of oxygen (o). which is the correct way to write the chemical formula for calcium carbonate?
a.
3caco
b.
ca3co
c.
caco3
d.
ca3c3o3
using plato
Answers: 2
Chemistry, 21.06.2019 23:30, mgavyn1052
Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.
Answers: 1
Chemistry, 22.06.2019 02:00, hemolelekeakua
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 08:30, ebigham5117
If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?
Answers: 2
Chemistry, 22.06.2019 11:30, chelseychew32
What is the main reason why some developing countries fear the increase the free trade policies around the world?
Answers: 2
calcium carbonate is a compound that is used to make chalk for drawing on rocks or pavement. one mol...
Chemistry, 19.01.2021 22:50
Mathematics, 19.01.2021 22:50
Health, 19.01.2021 22:50
Mathematics, 19.01.2021 22:50