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charle [14.2K]
4 years ago
5

Heat transfers more slowly when the object is

Chemistry
1 answer:
nikitadnepr [17]4 years ago
7 0
When the mass of the object is more large.
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What does biodiversity mean?
kobusy [5.1K]

Answer:

Having as wide a range of organisms as possible.

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3 years ago
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1. The answer to the research question is the...
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1. A claim

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Consider the combustion reaction for octane (C8H18), which is a primary component of gasoline.
DIA [1.3K]

Answer:

1.16 moles CO₂

Explanation:

To find the moles of CO₂, you need to (1) convert grams C₈H₁₈ to moles (via the molar mass) and then (2) convert moles C₈H₁₈ to moles CO₂ (via the mole-to-mole ratio from equation coefficients). It is important that the conversions/ratios are arranged in a way that allows for the cancellation of units. The final answer should have 3 significant figures like the given value.

Molar Mass (C₈H₁₈): 8(12.011 g/mol) + 18(1.008 g/mol)

Molar Mass (C₈H₁₈): 114.232 g/mol

2 C₈H₁₈ + 25 O₂ -----> 16 CO₂ + 18 H₂O
^                                    ^

16.6 g C₈H₁₈            1 mole            16 moles CO₂          
--------------------  x  -----------------  x  -------------------------  = 1.16 moles CO₂  
                              114.232 g          2 moles C₈H₁₈          

3 0
2 years ago
Write 750,000 in scientific notation
PIT_PIT [208]

Answer:

Explanation:

scientific notation of 750000 is

7.5*10^5

6 0
3 years ago
I really need help. Please
Oliga [24]

physical change

particles retain there composition and identity

there is no change in there chemical properties of the substance

the chemical changes should be the other two.

If it is wrong I'm truly sorry.

6 0
3 years ago
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