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Serhud [2]
2 years ago
10

Write an equation for the reaction that takes place in a luminous flame assuming the laboratory gas is Butane

Chemistry
1 answer:
Margarita [4]2 years ago
4 0

Answer:

Fire's basic combustion equation is: fuel + oxygen —> carbon dioxide + water, a line many of us had drummed into us by school teachers. However, combustion reactions do not proceed directly from oxygen to carbon dioxide.

Explanation:

Fire's basic combustion equation is: fuel + oxygen —> carbon dioxide + water, a line many of us had drummed into us by school teachers. However, combustion reactions do not proceed directly from oxygen to carbon dioxide.

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Answer:

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Explanation:

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How is the number of moles of an element determined from a known mass?
goblinko [34]

the mass of 1 mole of the element is used as a conversion factor to convert grams to moles

4 0
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Which substance can be decomposed by a chemical change?
Sliva [168]

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Explanation:

7 0
3 years ago
Saccharin (C7H5NO3S) is sometimes dispensed in tablet form. Ten tablets with total mass of 0.5795 g were dissolved in water. The
vfiekz [6]

0.4575 g of saccharine is present in the ten tablets of saccharine dissolved in water.

From the information in the question, the sulfur in saccharin (C7H5NO3S) was completely converted to sulfate ion (SO4^2-). This ion was now reacted with excess  barium chloride to form barium sulfate BaSO4. This later reaction occurs as follows;

SO4^2-(aq) + Ba^2+(aq) --------> BaSO4(s)

Number of moles of BaSO4 obtained = 0.5240 g/233 g/mol

= 0.0025 moles

Since the reaction is 1:1, 0.0025 moles of sulfate ions from saccharine reacted.

Molar mass of saccharine = 7(12) + 5(1) + 14 + 3(16) + 32

= 84 + 5 + 14 + 48 + 32 = 183 g/mol

Mass of saccharine in the tablet = 0.0025 moles × 183 g/mol

= 0.4575 g

Learn more: brainly.com/question/1527403

8 0
2 years ago
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aleksandrvk [35]

Answer:

a) 1.567 x 10^9

b) 2.36 x 10^(-5)

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