Which pairs of matter demonstrate the law of conservation?
* a structure made of buildi...
Which pairs of matter demonstrate the law of conservation?
* a structure made of building blocks
* the blocks of the same structure bundled in a pile
* a snowman
* the melted remains of the same snowman
* a lump of clay
* the same lump broken into three pieces
* 1 cup of water and one gram of salt, separated
* the same cup of water with one gram of salt mixed in
* a lump of clay
* an identical lump added to the original
* one apple
* the same apple cut into slices
Answers: 3
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When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium
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Why is the structure of molecule important to its function?
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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
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
Answers: 2
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