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EleoNora [17]
3 years ago
13

What quantity is represented by the metric system prefix deci-

Chemistry
1 answer:
igor_vitrenko [27]3 years ago
4 0
Deci- is used to show a size that is one tenth of the main unit, that is, the most common basic unit. A decimeter is a 10th of a meter.
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Rewrite the equation below using the correct conventions for stoichiometric coefficients. 2 BaCl2 + 2 H2SO4 → 2 BaSO4 + 4 HCl
vichka [17]

Answer:

BaCl2+H2SO4 \rightarrow BaSO4+2HCl

Explanation:

The given equation is:

2 BaCl2+2H2SO4 \rightarrow2BaSO4+4HCl

Based on the reaction stoichiometry:

2 moles of barium chloride (BaCl2) reacts with 2 moles of sulfuric acid (H2SO4) to form 2 moles of barium sulfate (BaSO4) and 4 moles of HCl

Although the reaction is balanced, the correct convention is to depict reactions in terms of the lowest molar ratio. Therefore the coefficients (2,2,4 and 4) can be divided by 2 to give:

BaCl2+H2SO4 \rightarrow BaSO4+2HCl

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Now that you have the knowledge of the highest specific heat capacity and lowest porosity, which material would you choose to bu
Svet_ta [14]

Answer:

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7 0
3 years ago
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Please help as soon and best answer gets brainlest
Ann [662]

Answer:

Mass, temperature, and phase.

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5 0
2 years ago
How many moles of C2H2 are needed to react completely with 84 mol O2
Butoxors [25]

Balanced chemical equation:

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2 moles C2H2 ---------------- 5 moles O2
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moles C2H2 = 84 * 2 / 5

molesC2H2 = 168 / 5 => 33.6 moles of C2H2
4 0
3 years ago
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