What happens when you compress a gas

Answers

Answer 1

Answer: Gases exhibit no shape andvolume because the particles can move freely from one other. Their collisionsare rare due to the distance between them. The kinetic energy of the moleculesis high because there is room for movement. And because the particles are faraway from each other, it can be compressed easily. When you compressed a gas,you are decreasing the distance between the particles. Bringing the particlescloser makes room for more interaction because repulsive forces dominate. The gasthen will turn into liquid.

Answer 2

Answer:

Answer:

Density is increased

Explanation:

I took a test and that was the correct answer :)

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Scientific explanations of natural phenomena are based on A. opinion polls of scientists. B. only the observations made by a single scientist. C. only the most recent empirical evidence. D. all the empirical evidence available.

Answers

Answer: D. all the empirical evidence available.

Explanation:

Answer:

Explanation:

Calculate the molecular weight of a dibasic acid.0.56gm of which is required 250ml of N/20 sodium hydroxide solution for neutralization.

Answers

Answer: The molecular weight of the dibasic acid is 89.6 g/mol

Explanation:

Normality is defined as the amount of solute expressed in the number of gram equivalents present per liter of solution. The units of normality are eq/L. The formula used to calculate normality:

$\text{Normality}=\frac{\text{Given mass of solute}* 1000}{\text{Equivalent mass of solute}* \text{Volume of solution (mL)}}$ ....(1)

We are given:

Normality of solution = $(1)/(20)=0.05N$

Given mass of solute = 0.56 g

Volume of solution = 250 mL

Putting values in equation 1, we get:

$0.05=\frac{0.56* 1000}{\text{Equivalent mass of solute}* 250}\n\n\text{Equivalent mass of solute}=(0.56* 1000)/(0.05* 250)=44.8g/eq$

Equivalent weight of an acid is calculated by using the equation:

$\text{Equivalent weight}=\frac{\text{Molar mass}}{\text{Basicity}}$ .....(2)

Equivalent weight of acid = 44.8 g/eq

Basicity of an acid = 2 eq/mol

Putting values in equation 2, we get:

$44.8g/eq=\frac{\text{Molar mass}}{2eq/mol}\n\n\text{Molar mass}=(44.8g/eq* 2eq/mol)=89.6g/mol$

Hence, the molecular weight of the dibasic acid is 89.6 g/mol

What increases the salinity of the ocean surface water, causing it to sinkdownward?
Help

Answers

Answer:

Thermohaline Circulation

Explanation:

The process is known as “Thermohaline Circulation”. In the Earth’s polar regions ocean water gets very cold, forming sea ice. As a consequence the surrounding seawater gets saltier, because when sea ice forms, the salt is left behind. As the seawater gets saltier, its density increases, and it starts to sink.

What is difference between creek,river and stream

Answers

the difference is size: you can step over a brook, jump over a creek, wade across a stream, and swim across a river.

Who described atoms as small spheres that could not be divided into anything smaller?

Answers

Chemist John Dalton described atoms as small spheres that could not be divided into anything smaller.

Answer:

Chemist John Dalton

What type of oxygen balance does trinitrotoluene (TNT, C7H5N3O6) have?a. Negative
b. Zero
c. No right choice.

Answers

a. Negative

Explanation:

We have to look at its oxidation (burning, explosion) of TNT:

4 C₇H₅N₃O₆ + 21 O₂ → 28 CO₂ + 10 H₂O + 6 N₂ + heat

So trinitrotoluene need more oxygen atoms that is have to be fully oxidized so the oxygen balance will be negative.

An empirical formula with which you calculate the oxygen balance percent (OB %) is:

OB % = (-1600 / molecular wight) × [2X + (Y/2) + M - Z)

were

X = number of carbon atoms

Y = number of hydrogen atoms

M = number of metal atoms

Z = number of oxygen atoms

For TNT:

OB % = (-1600 / 227.13) × [2×7 + (5/2) + 0 - 6)

OB % = -73.97 %

So the oxygen balance percent is negative.

Learn more about:

oxidation of TNT

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