Chemistry, 15.04.2021 18:00 jewelzoe49
Approximately how many Cu atoms are in the coin?
A 9.9 x 10-4
atoms
B 6.0 x 1020
atoms
С 2.3 x 1022 atoms
D 3.8 x 1022
atoms
Answers: 2
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Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?
Answers: 1
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What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?
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Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic
Answers: 1
Approximately how many Cu atoms are in the coin?
A 9.9 x 10-4
atoms
B 6.0 x 1020<...
atoms
B 6.0 x 1020<...
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