Burning alcohol for fuel is a very efficient process. Please select the best answer from the choices provideda. True
b. False

Answers

Answer 1

Answer:

Explanation:

Burning of alcohol produces different products as it depends on the type and nature of alcohol which is being burnt.

Some alcohols upon burning produce toxic gases or products whereas some alcohols on burning does not produce any toxic substances.

For example, when ethanol is burnt then it reacts with oxygen and results in the formation of water and carbon dioxide.

Thus, we can conclude that the statement burning alcohol for fuel is a very efficient process is a false statement.

Answer 2

Answer: Burning alcohol for fuel has been used throughout history. There are some alcohols that are the best ones to use as fuels because of their nature and can be synthesized chemicaly or biologicaly. Except, some of those alcohol also has a bad effect when burned for fuel as it would cause serious negative chemical effects when exposed to the human body such as blindness or death. Therefore, the best answer would be False.

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The euglena's red eyespot is used for _____.photosynthesis
binary fission
detection of light
detection of danger

Answers

The euglena's red eyespot is used for detection of light.

Answer:

binary fission

Explanation:

A solution base differs from a solution of an acid in that the solution of a base

Answers

A solution base differs from a solution of an acid in that the solution of a base has lesser hydrogen ion concentration than the solution of an acid. It is known that acids compounds contains hydrogen and produces hydrogen ion in water. A binary acid however is an acid that have two elements, one of the element has a hydrogen attached to it. Examples of binary acids are hydrogen fluoride (HF), hydrogen bromide (HBr) and hydrogen sulfide (H2S). In naming a binary acid, it has two rules; one, as pure compounds and two, as acid solutions.

Write the complete balanced equation for Manganese & sulfuric acid --> Manganese (II) sulfate & water & sulfur dioxide no spaces
no subscripts
no 1's for coefficients

WILL GIVE BRAINLIEST!

Answers

Answer:

I kinda forgot. I'm sorry if I didn't answer your question.

Explanation:

What happens in the artificial transmutation of an element? Included an example.

Answers

Answer:

Explanation:

In an artificial transmutation, atoms of one element are artificially made to strike other particles with in an accelerator. Usually in an Artificial transmutation, there are particle accelerators that bombard the elements with in them using alpha particles, deuterons etc.

This bombarding causes lodging of certain elements into the targeted nucleus, thereby forming a new and a different element.

For example -

In the first artificial transmutation, Helium nucleus was bombarded on nitrogen nucleus thereby producing new nuclei and a proton.

In an artificial transmutation an element is transformed into another element by being shot by another element or particle. For example if you shoot an alpha particle like Helium at Nitrogen then you transform the Nitrogen into an oxygen and you get Hydrogen as a By-product

What is the % yield if 20 grams of hydrogen is reacted with 32 gramsof oxygen and produces 9 grams of water?
H2 + O2 -> H2O

Answers

If 20 g of hydrogen is reacted with 32 g of oxygen to produce 9 g of water, the percentage yield is 5%.

What is Percent yield?

Percent yield is the ratio of the actual yield times the theoretical yield to 100. When the actual and theoretical yield are equal, the percentage yield is 100%. So if the actual yield is less than the theoretical yield then the percentage yield is less than 100%. This situation may arise due to the incompleteness of the reaction or the loss of the sample during the recovery process.

According to the stoichiometry of reaction of formation of water,

4 g hydrogen gives 36 g water, thus, 20 g hydrogen gives 20×36/4=180 g water which is theoretical yield.

So, the percent yield=observed yield/theoretical yield×100

percent yield=9/180×100=5%.

Thus, if 20 g of hydrogen is reacted with 32 g of oxygen to produce 9 g of water, the percentage yield is 5%.

Learn more about Percent yield, here:

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Answer:

12.5%

Explanation:

32/16 = 2 moles of oxygen

2 x 18.01 x 2/1 = 72.04 g of H2O

9/72.04 x 100 = 12.5%

balanced equation: 2H2 + O2 → 2H2O

limiting reactant is oxygen

PLEASE HELP!!!A reaction is in equilibrium as shown: A + B C + D. Calculate the equilibrium constant if the final concentrations stabilize at:

A = 9.60 M
B = 10.0 M
C = 4.00 M
D = 4.00 M