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qaws [65]
3 years ago
13

PLZZZ HELLPP ASAPP!

Chemistry
1 answer:
WINSTONCH [101]3 years ago
6 0

Answer:

If gas is cooled the particles will then stop moving about really fast and start to form a liquid. This is called condensation.. (i think) and it happens at the same amount of temperature as or when boiling. Evaporation is dependent on individual particles gaining enough energy to escape the surface of the liquid and become gas particles.

Another comment: Can you please look at my question? I really need help as well.

Also use this website for more help on these questions its called states of matter: basics

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concentrated sulfuric acid (H2SO4) has a concentration of 18.0 M. What volume of concentrated H2SO4 is needed to make 2.5 liters
olga2289 [7]

Answer:

V_1=0.139L=139mL

Explanation:

Hello!

In this case, since the dilution processes are characterized by the decrease of the original stock solution by holding the moles constant and therefore modify the volume, for the described dilution we can write:

C_1V_1=C_2V_2

Whereas we are asked to compute the volume of the original solution; thus, we can solve for it as shown below:

V_1=\frac{C_2V_2}{C_1}=\frac{1.0M*2.5L}{18.0M}\\\\V_1=0.139L=139mL

Best regards!

6 0
3 years ago
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Degger [83]
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8 0
4 years ago
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I REALLY NEED HELP
Rashid [163]
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7 0
3 years ago
Give the formula of the conjugate base of each of the following. (Type your answer using the format CO2 for CO2, (NH4)2CO3 for (
MissTica

Answer:

a) [NH2]-,

b) [O]2-

c) [Cl]-

Explanation:

The conjugate base is the base member (X⁻) of a weak acid (HX). In other words, the conjugate base is the remaining substance due to the proton loss in the acid HX.

a) For NH₃, (HX; X: NH₂⁻), conjugate base is NH₂⁻. In the format, <em>[NH2]-</em>.

b) For OH⁻, (HX; X: O²⁻), conjugate base is O²⁻. In the format,<em> [O]2-</em>.

c) For HCl, (HX; X: Cl⁻), conjugate base is Cl⁻. In the format, <em>[Cl]-</em>.

7 0
3 years ago
What causes normal red blood cells to shrink
Savatey [412]

On the off chance that the red blood cells are smaller than ordinary, this is called microcytic anemia. The significant reasons for this sort are low-level iron, anemia, thalassemia.

8 0
3 years ago
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