subject
Chemistry, 10.10.2021 06:20 cjd1214812148

(No link sharing) The Law of Conservation of Mass states that

A. chemical reactions destroy matter, which
decreases the mass of the substance,

B. chemical reactions create new matter, which
will increase the mass of the substance,

C. matter cannot be created or destroyed, just
changed

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 02:10
3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hс: fluorenone + naoh: fluorenone water/organic water/organic веnzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=
Answers: 3
question
Chemistry, 22.06.2019 10:30
Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
Answers: 1
question
Chemistry, 22.06.2019 12:30
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
Answers: 2
question
Chemistry, 22.06.2019 13:00
Tell me the iupac name of the following compounds:
Answers: 1
You know the right answer?
(No link sharing) The Law of Conservation of Mass states that

A. chemical reactions de...
Questions
question
Mathematics, 24.02.2020 03:22
question
Mathematics, 24.02.2020 03:23
question
Mathematics, 24.02.2020 03:23
question
English, 24.02.2020 03:23
question
Mathematics, 24.02.2020 03:24
question
Mathematics, 24.02.2020 03:24
question
Mathematics, 24.02.2020 03:25
question
Arts, 24.02.2020 03:25
question
Mathematics, 24.02.2020 03:26