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3 years ago

15

What do u do when you butter in a tub melts i put it in my fridge but after 1 hour it has some kind of water in it or something

i did not know so i just put chemistry

1 answer:

schepotkina [342]3 years ago

6 0

Answer: not sure either. not sure what exactly your asking because the wording is weird. (no offense)

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A small cube of iron and a large flat sheet of iron contain the same volume. Which one will completely rust first? Explain why.

allochka39001 [22]

Flat as more oxygen and water can react over it think of it like this would a cube rust faster than a sheet

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3 years ago

2,6 -dimetil nonano<br> 4 etil-2,2dimetil-4-propo:0ctano

Svetllana [295]

Answer:

it will be 26 %t _4

Explanation:

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3 years ago

Which solution when mixed with a drop ofbromthymol blue will cause the indicator to change from blue to yellow

zheka24 [161]

Answer: A

Explanation: the only way to turn it from blue to yellow is to mix it with an acidic solution.

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3 years ago

Read 2 more answers

True or false if an object displaces 50 ml of water the object's volume is 50mL

andrew11 [14]

Answer:

True

Explanation:

The volume of water displaced by an object completely submerged is its actual volume. It implies that in the container the object create a space of size for itself which is the volume of the object. This approach is used in calculating the density of many irregular solids from their measured masses.

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3 years ago

What is the preasure in atmospheres of 20 mol of nitrogen gas in 36.2 L cylinder at 25 degrees C?

Savatey [412]

Answer:

P = 13.5 atm

Explanation:

Given that

No. of moles, n = 20 moles

Volume of nitrogen gas = 36.2 L

Temperature = 25°C = 298 K

We need to find the pressure of the gas. Using the ideal gas equation

PV = nRT

Where

R is gas constant, $R=0.082057\ L-atm/K-mol$

So,

$P=\dfrac{nRT}{V}\\\\P=\dfrac{20\times 0.082057\times 298}{36.2 }\\\\P=13.5\ atm$

so, the pressure of the gas is equal to 13.5 atm.

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2 years ago