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Tcecarenko [31]
3 years ago
11

What is the name of the renewable fuel use in Brazil that help to conserve petroleum resources

Chemistry
1 answer:
julia-pushkina [17]3 years ago
4 0

the answer you're looking for is...

d) ethanol

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Add me on discord if u wanna be study buddies or just normal friends lol
Katyanochek1 [597]
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7 0
3 years ago
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What new evidence led scientists to change their minds about the geocentric model?
IRISSAK [1]

Galileo disproved the Ptolemaic theory, sanctioned for centuries by the Church, which held the Earth to be the central and principal object in the universe, about which all celestial objects orbited.

3 0
3 years ago
Calculations
Black_prince [1.1K]

Answer:

Theoretical yield: 2.75g of paranitroaniline

Percentage yield: 54.5%

Explanation:

In strong-acid medium, acetanilide (Molar mass: 135.16g/mol) reacts producing para-nitroaniline (138.12g/mol) in a 1/1 reaction.

Theoretical yield of para-nitroaniline is the mass produced assuming a yield of 100%. That is:

2.7g acetanilide × (1mol / 135.16g) = 0.020 moles of acetanilide.

Assuming a yield of 100% are 0.020 moles of paranitroaniline. Theoretical yield is:

0.020 moles × (138.12g / mol) =

<h3>Theoretical yield: 2.75g of paranitroaniline</h3><h3 />

Percentage yield is:

(Actual yield / theoretical yield) × 100

Actual yield was 1.5g and percentage yield will be:

Percentage yield: (1.5g / 2.75g) × 100

<h3>Percentage yield: 54.5%</h3>

8 0
2 years ago
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Which elements can form acidic compounds? sulfur
son4ous [18]

Answer:

Any element

Explanation:

Any element that produces an extra proton, aka a Hydrogen cation, or H⁺

3 0
2 years ago
WORTH 28 points MUST ANSER ALL 3 Easy POINTS
Vadim26 [7]
What question are you talking about?
3 0
3 years ago
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