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butalik [34]
2 years ago
15

What can be concluded from the following statements about a property of metats? • Acast-iron skillet on a stove is used to try b

acon • A metal spoon left in a pot of soup heating on a stove is too hot to touch - An aluminum playground slide gets hot on a summer day. O A Metals combine with nonmetals.O B. Metals are good insulators. O C Metals conduct electricity D Metals conduct heat.​
Chemistry
1 answer:
zlopas [31]2 years ago
7 0

Answer:

D - metals conduct heat

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Answer:

1.45 x 10⁻² g CO₂

Explanation:

To find the mass of carbon dioxide, you need to (1) convert grams CH₄ to moles CH₄ (via molar mass), then (2) convert moles CH₄ to moles CO₂ (via mole-to-mole ratio from reaction coefficients), and then (3) convert moles CO₂ to grams CO₂ (via molar mass). The final answer should have 3 sig figs to reflect the given value (5.30 x 10⁻³ g).

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Combustion of Methane:

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Molar Mass (CO₂): 44.007 g/mol

5.30 x 10⁻³ g CH₄          1 mole              1 mole CO₂          44.007 g
---------------------------  x  ----------------  x  ---------------------  x  -----------------  =
                                      16.043 g            1 mole CH₄            1 mole

=  0.0145 g CO₂

=  1.45 x 10⁻² g CO₂

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4060

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hope this helps

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All of these are correct except the first option, as Arrhenius bases increase the concentration of hydroxide ions.
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