Gas particles are small and the total volume occupied by gas molecules is negligible relative to the total volume of their container. ... The average kinetic energy of gas particles is proportional to the absolute temperature of the gas, and all gases at the same temperature have the same average kinetic energy

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3 0

3 years ago

What are the biochemical properties of water

kipiarov [429]

Answer:

The biochemical properties of water are 1) chemical structure of water 2) water is a good solvent 3) hydrogen bonding. 4) sticky, wet water 5)the density of ice and water

6 0

3 years ago

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Calculate the number of atoms in 4g of bromine molecule.(Br).

KIM [24]

Answer:

$\\ N=n * N_{A}$

We do not have $n$ - the amount of substance.

$n=\frac{m}{M}\\$

The molecular weight ( $M$ ) of Bromine is 80.

$n=\frac{4}{80} = 0.05 \text{ mol}$

$N = 0.05 * 6.02 * 10^{23} = 0.301 * 10^{23}$

3 0

3 years ago

Which properties can be measured without changing the chemical composition of the matter? _______ properties can be measured wit

evablogger [386]

Answer:

$\boxed {\sf Physical}$

Explanation:

There are two main kinds of properties: chemical and physical.

Chemical properties, like the name suggests, have to be observed by changing the chemical composition.

That leaves <u>physical properties.</u> They can be measured without any chemical composition changes.

Some examples include: color, odor, mass, density, and volume. All can be measured with just the senses or measuring tools and no composition alterations are needed.

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3 years ago

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