Chemistry, 29.06.2019 10:40 glyptictriton9575
During an investigation, a scientist heated 123.6 g of copper carbonate till it decomposed to form a black residue.
Answers: 2
Chemistry, 22.06.2019 18:30
The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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Chemistry, 22.06.2019 22:30
Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.
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Chemistry, 23.06.2019 05:30
Suppose you discovered a new element with 120 protons and 2 electrons in its outer level . i'm what group does this new element belong? what properties would you expect it to have
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Chemistry, 23.06.2019 06:30
Moving force of air flows from areas of high pressure to areas of low pressure true or false
Answers: 2
During an investigation, a scientist heated 123.6 g of copper carbonate till it decomposed to form a...
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