Which is a chemical change?
A. Crushing a piece of bread
B. Breaking a glass cup
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Chemistry, 12.05.2021 20:40 preservations
Which is a chemical change?
A. Crushing a piece of bread
B. Breaking a glass cup
C. Boiling water
D. Frying a egg
Answers: 2
Chemistry, 22.06.2019 05:00
Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?
Answers: 3
Chemistry, 22.06.2019 10:30
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
Chemistry, 22.06.2019 11:50
The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a
Answers: 3
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