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wolverine [178]
2 years ago
11

Question 18 of 32

Chemistry
1 answer:
guajiro [1.7K]2 years ago
8 0

Answer: A. A bond in which molecules share electrons

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Which of the following statements are true of acids and bases?
gtnhenbr [62]
A. Acids increase the number of OH- ions in a solution. FALSE
B. Bases increase the number of OH- ions in a solution. TRUE
C. Acids increase the number of H+ ions in a solution. TRUE
D. Bases increase the number of H+ ions in a solution. FALSE
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3 years ago
What is the systematic name of Mg(NO3)2?A) Manganese nitrite.B) Magnesium nitrite.C) Magnesium nitrate.D) Manganese nitrate.
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If 10.5 g copper chloride react with 12.4 g aluminum what is the limiting reactant
Brut [27]
Molar mass of copper chloride is 134.45 g/mole, so the mole of 10.5 g copper chloride is 10.5/134.45 = 0.078 mole.  Molar mass of aluminum is 27 g/mole, so the mole of 12.4 g aluminium is 12.4/27 = 0.46 mole.  The formula of this reaction is as follows, 2Al + 3CuCl2 ⇒ 2AlCl3 + 3Cu. Thus the molar ratio of the reactants is Al:CuCl2 = 2:3. So to react with 0.078 mole of copper chloride, will need 0.078 x 2/3 = 0.052 moles of aluminum which is less than the given amount (0.46mole).  Therefore, copper chloride is the limiting reactant.
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numbers of molecules = 3×6.023×10-23

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What is the reason of formation of millions of organic compound
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