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Chemistry, 21.06.2019 16:00
Nickel crystallizes in the face-centered cubic (fcc) lattice. the density of the metal is 8902 kg/m3. calculate the radius of a nickel atom.
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Chemistry, 23.06.2019 06:00
What volume of 0.500 mol/l hydrochloric acid, hci (aq) is required to react completely with 1.00 g of aluminum hydroxide, ai(oh)3 (s)?
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Chemistry, 23.06.2019 17:10
Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.
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Chemistry, 24.06.2019 03:00
Which is the correctly balanced chemical equation for the reaction of koh and h2so4? koh-h,50.-k*+50% 2koh+h, 50, →k,so 2koh+h,50.-k,50 +2h,0 kohh,50, k,50 →h,0
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Convert 3.00 grams AszSz to moles....
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