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IrinaVladis [17]
3 years ago
10

Does a negative exponent mean that the number is less than 1​

Chemistry
1 answer:
Reptile [31]3 years ago
8 0
The negative sign on an exponent means the reciprocal. Think of it this way: just as a positive exponent means repeated multiplication by the base, a negative exponent means repeated division by the base.
From go ogle
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Number of moles of Sn (l) produced when 4.0 moles of H2 (g) is completely consumed
Dafna11 [192]
The answer is 2.0 moles.
From their coefficients in the balanced chemical equation below for the reaction of tin dioxide with hydrogen gas to produce tin and water:
     SnO2(s) + 2H2(g) ==>Sn(l) + 2H2O(g)
two moles of hydrogen gas is to produce one mole of tin. We use this mole ratio to compute for the number of moles of tin as:
     moles of Sn = 4.0mol H2 (1mol Sn/2mol H2) = 2.0 mol
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Which of the following are characteristics of ionic
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Answer:

  • have high melting and boiling points
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Ionic compounds are compounds that are formed between a metal and non-metal with a significant electronegativity difference. The metals transfers their electrons to the non-metals and the electrostatic attraction of the ions brings about the bonding that forms the compound.

Ionic compounds are diverse in nature and form.

Here are some of their properties:

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