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An unknown substance undergoes a chemical change that gives off heat. what can you tell me about this substance?
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What is the temperature of one mole of helium gas at stp?
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Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery
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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
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An unknown substance undergoes a chemical change that gives off heat. what can you tell me about thi...
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