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Brut [27]
2 years ago
6

De selectat din poezia ,,O strada cu sentimente" cat mai multe imagini artistice si figuri de stil

Chemistry
1 answer:
Oliga [24]2 years ago
7 0

Answer:

is this english?

Explanation:

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A major component of gasoline is octane (C8H18). When octane is burned in air, it chemically reacts with oxygen gas (O2) to prod
Molodets [167]

Answers:

8.70 g

Step-by-step explanation:

We know we will need a balanced equation with masses and molar masses, so let’s <em>gather all the information</em> in one place.  

M_r:                   32.00      44.01

           2C₈H₁₈ + 25O₂ ⟶ 16CO₂ + 18H₂O

m/g:                    9.88

(a) Calculate the <em>moles of O₂ </em>

n = 9.88 g O₂ ×1 mol O₂ /32.00 g O₂

n = 0.3088 mol O₂

(b) Calculate the <em>moles of CO₂</em>

The molar ratio is (16 mol CO₂/25 mol O₂)

n = 0.3088 mol O₂ × (16 mol CO₂/25 mol O₂)

n = 0.1976 mol CO₂

(c) Calculate the <em>mass of CO₂ </em>

Mass of CO₂ = 0.1976 mol CO₂ × (44.01 g CO₂/1 mol CO₂)

Mass of CO₂ = 8.70 g CO₂

7 0
3 years ago
Please can someone answer quickly this do tomorrow morning
Romashka-Z-Leto [24]
<h2>Answer</h2>

Temperature change

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3 0
3 years ago
PLS PLS HELP<br> this is science
Ne4ueva [31]

Answer:

its minerals :)

Explanation:

i hope its right

alsooo heyyyy

8 0
3 years ago
Read 2 more answers
The Statue of Liberty is 111.5 feet tall. What would be the mass in KG of a stack of quarters equal her height? A quarter is 1.7
miskamm [114]

Answer:

( About ) 110 kilograms

Explanation:

Take a look at the attachment below,

6 0
4 years ago
A) ¿De qué trata el cuento que leíste?<br>​
NISA [10]

No hablo espanol could you put it in English?

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3 years ago
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