Which best describes a compound?
A. the simplest form of matter
B. an element that has change...
Chemistry, 09.03.2021 21:10 darkdestroyer0888
Which best describes a compound?
A. the simplest form of matter
B. an element that has changed state
C. a physical mixture of chemicals and elements
D. a chemical combination of two or more elements
Answers: 1
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The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?
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Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o β k + o2 (b) na + i2 β nai (c) cu(no3 )2 + naoh β cu(oh)2 + nano3 (d) kclo3 β kcl + o2 (e) ca(no3 )2 + hbr β cabr2 + hno3 (f) sn(oh)2 β sno + h2 o (g) p4 + n2 o β p4 o6 + n2 (h) fe + al2 (so4 )3 β feso4 + al (i) alcl3 + na2 co3 β al2 (co3 )3 + nacl (j) c3 h6 + o2 β co2 + h2 o
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Which of the following are correct values for the ideal gas laws constant r
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