3 years ago

Why does hot tea brew faster than cold tea? Provide scientific data.

1 answer:

5 0

Answer:

Increased heat makes all the molecules in the tea/water mix vibrate and move around a great deal more, thus increasing the rate of diffusion, and therefore increasing the rate of brewing.

Explanation:

hope i help lol :)

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Would copper exist in a monatomic form, <br> a lattice or as molecules?

Elan Coil [88]

you can not answer this question without specifying the temperature and pressure of the copper

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The decomposition of formic acid follows first-order kinetics. HCO2H(g) → CO2(g) + H2(g) The half-life for the reaction at 550°C

FromTheMoon [43]

Answer:

Option 4 is correct (72 seconds)

Explanation:

Option 4 is correct (72 seconds)

The formula we are going to use is:

$ln\frac{A}{A_o}=-kt$

Where:

A is the final concentration

A_o is the initial concentration

k is the constant

t is the time

Half-Life=0.693/k

Half-life in our case=24 seconds

k=0.693/24

k=0.028875 s^-1

Since the concentration is decreased by 87.5 % which means only 12.5%(100-87.5%) is left.

The ratio $A/A_o$ will become 0.125

$ln 0.125=-0.028875*t\\t=72.015\ seconds$

t≅ 72 seconds

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3 years ago

Iodine is a solid nonmetal. What is one property of iodine?

KiRa [710]

Answer:

The correct answer is B. Dull appearance

Explanation:

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3 years ago

While camping, you make a snack over a campfire. You roast a marshmallow over the campfire until it is browned and put it betwee

pshichka [43]

Answer:

It is <u>melting</u> which is a physical change.

Explanation:

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3 years ago

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Convert 360 k to Celsius

Ulleksa [173]

Answer:

86.85°C

Explanation:

K = °C + 273.15

360K − 273.15 = 86.85°C ≈ 87°C

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3 years ago