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3 years ago

When an object travels no distance in a large amount of time, the object's speed is _____. A. fast B. slow C. zero

Chemistry

2 answers:

Nata [24]3 years ago

8 0

zero because its not going anywhere its stationary

hope this helped ^_^

Nat2105 [25]3 years ago

7 0

C, I believe. If it doesn't travel any distance, then it's speed should be zero, unless it is trying to travel against a conveyor or something.

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Describe the pattern of synthesis (combination) and decomposition reactions.

jonny [76]

Answer:

Explanation:

Synthesis is the combining of two elements or atoms into a compound/mixture. Decomposition is the breaking down of a compound/mixture into individual atoms or elements. In conclusion, on is the building up of a compund/mixture and one is breaking down.

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3 years ago

Gestalt psychology focuses on _____.

jok3333 [9.3K]

Answer:

the brain's ability to memorize information

Explanation:

Gestalt psychology provides a holistic perception to how the brain tends to deal with information it picks. The belief is that the whole is greater than the individual parts. Gestalt is a German word which means whole.

Psychologists that subscribes to this school of thought believes that the brain generally relates with events by creating a complete perceived view of such. For example, christmas lights are pictured as moving because its easier for the brain to relate with such rythm in that way. This helps the brain memorize a piece better than looking at individual relationship between the parts.

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4 years ago

Ethanol (C2H5OH) is produced from the fermentation of sucrose in the presence of enzymes.

Klio2033 [76]

Explanation:

to calculate theoratical yield...first we must calculate how much Sucrose moles we have..in order to to do so...we must calculate molar mass of sucrose.

molar mass of sucrose is 342.3 g/mol.

now we can calculate how many sucrose moles we have by dividing the mass with molar mass of sucrose

735g/(342.3g/mol)=2.147mol

theoratically...according to stoichiometry..every 1 mole of sucrose yields 4 moles of ethanol...so...

2.147mole yield 2.147*4mol=8.588mol

now we must calculate weight of that much ethanol..molar mass of ethanol is 46.07 g/mol...

so we can multiple moles by molar mass to obtain the weight 8.588mol*46.07g/mol=395.649g

but we only obtained 310.5g...so percentage we have is

$\frac{310.5}{395.649} \times 100$

78.47%

if there is trouble with molar mases I used....use what you calculated...

If my explanation is good enough...please mark it as brainliest.thanks

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3 years ago

How many valence electrons are in each atom?

Zarrin [17]

Group 1 atoms only have one. Group 2 has 2 valence electrons, and so on.

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4 years ago

If more solvent is added to a solution: a. The solution's molarity decreases. B. The solution becomes more concentrated C. The s

Sergeu [11.5K]

The correct answer is C

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3 years ago

Read 2 more answers