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4 years ago

The two main states of mechanical energy are

Chemistry

2 answers:

Lisa [10]4 years ago

4 0

Answer:

potential & kinetic

Explanation:

ASHA 777 [7]4 years ago

3 0

Answer: I’m going with C

The two main states of mechanical energy are potential energy and kinetic energy. Potential energy, in terms of mechanical energy,

Explanation:

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A solid mixture consists of 47.6g of KNO3 (potassium nitrate) and 8.4g of K2SO4 (potassium sulfate). The mixture is added to 130

IgorLugansk [536]

Answer: No crystals of potassium sulfate will be seen at 0°C for the given amount.

Explanation:

We are given:

Mass of potassium nitrate = 47.6 g

Mass of potassium sulfate = 8.4 g

Mass of water = 130. g

Solubility of potassium sulfate in water at 0°C = 7.4 g/100 g

This means that 7.4 grams of potassium sulfate is soluble in 100 grams of water

Applying unitary method:

In 100 grams of water, the amount of potassium sulfate dissolved is 7.4 grams

So, in 130 grams of water, the amount of potassium sulfate dissolved will be $\frac{7.4}{100}\times 130=9.62g$

As, the soluble amount is greater than the given amount of potassium sulfate

This means that, all of potassium sulfate will be dissolved.

Hence, no crystals of potassium sulfate will be seen at 0°C for the given amount.

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3 years ago

Which organelle packages materials and distributes them throughout the cell?

Anastasy [175]

The golgi body i think

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Matter is anything that takes up space and hasA)mass.B)color.C)length.D)length and width

Marta_Voda [28]

Answer:

A. Mass

Explanation:

If it takes up space it has to have mass. Not everything that is matter has a color, certain length or width.

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Amino acids are the basic parts of proteins

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Lead will float in water.

Fed [463]

Actually, no. While their mass may be the same (1kg), the volume of lead is a lot smaller than that of feathers. As there is the same mass stuffed in a smaller space, it must be denser. The density of water is 1 g/cm3, so if the density of the lead is more than 1g/cm3, it has to sink

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