The distance and direction between the final position and the starting position is the?

1 answer:

4 0

It is the displacement.Displacement is also the most direct straight route between the starting point and the final position

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Which of these equations is balanced?

nikitadnepr [17]

Answer:

the first is the answer

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Hydrocarbons are separated from each other by a process called cracking distillation.

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True, cracking distillation is one process used to break hydrocarbons into smaller and more useful parts. This is achieved by using high temperatures and pressures with a catalyst. The most common catalyst used are the zeolites.

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How many grams of carbon dioxide are produced by complete combustion of 5 grams of c5h10

Lemur [1.5K]

Answer:

15.4 g

Explanation:

The reaction that takes place is:

2C₅H₁₀ + 15O₂ → 10CO₂ + 10H₂O

First we convert 5 grams of C₅H₁₀ into moles, using its molar mass:

5 g ÷ 70 g/mol = 0.07 mol C₅H₁₀

Then we convert C₅H₁₀ moles into CO₂ moles, using the stoichiometric coefficients of the reaction:

0.07 mol C₅H₁₀ * $\frac{10molCO_2}{2molC_5H_{10}}$ = 0.35 mol CO₂

Finally we convert 0.35 moles of CO₂ into grams:

0.35 mol CO₂ * 44 g/mol = 15.4 g

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3 years ago

The complete combustion of 0.611 g of a snack bar in a calorimeter (Ccal = 6.15 kJ/°C) raises the temperature of the calorimeter

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Focus your attention to the units of the given data and the unit of the final measurement you're going to solve. Through dimensional analysis,you know that the working equation would be:

Food Value = CcalΔT/m
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Convert kJ to cal (1 kJ = 239 cal)
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I think is Gonna be C

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