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aksik [14]
3 years ago
15

Number of

Chemistry
1 answer:
Karolina [17]3 years ago
8 0
Mass plus atomic and number

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How do you know if a chemical reaction has occurred?
never [62]
If one or more of the following occur: Gas formation, precipitate formation, color change, temperature change, or odor

3 0
3 years ago
The pressure in an engine cylinder increases from 7.6 atm to 13 atm as the gas is compressed from 0.50 L to 0.10 L. What is the
REY [17]
T k = 15 + 273 = 288 K

4.6 / 13 => 0.353 atm

0.50 / 0.10 => 5 L

<span>(15 + 273) K x (13 atm / 7.6 atm) x (0.50 L / 0.10 L) 
</span>
<span>= </span>2463.15 K

<span>hope this helps!</span>
8 0
3 years ago
Read 2 more answers
When metal atoms bond with nonmetal atoms, what will the non metal atoms do?
Shtirlitz [24]

Answer:

Ionic bonding involves the transfer of electrons from a metal atom to a non-metal atom until the outer shells of their resultant atoms are similar to that of a noble gas. The metals lose electrons and form cations while the non-metals accept the electrons and form anions.

6 0
2 years ago
Which type of mixture can be separated using distillation? A compound with elements of different boiling points Homogeneous mixt
nalin [4]
<h3>Answer:</h3>

Homogeneous mixture with components of different boiling points

<h3>Explanation:</h3>
  • Distillation is a method of separating miscible mixtures which contain components that have different boiling points.
  • The mixture is heated and the component with the low boiling point evaporates first. It is then condensed in the condenser and the distillate collected using a clean beaker.
  • For example, a miscible solution of ethanol and water can be separated using distillation.
  • Ethanol and water have different boiling points of 78°C and 100°C respectively. Ethanol is distilled out first because it has a low boiling point compared to water.

7 0
3 years ago
Read 2 more answers
An equilibrium is dynamic.
VashaNatasha [74]
Equilibrium is dynamic since the reaction never really stops.  There is still a forward and reverse reaction, their rates are just equal to each other so there is no observable change in the amounts of product or reactant making it look like the reaction has stopped.

This is why you will often here the term dynamic equilibrium used when describing a system in equilibrium.

I hope this helps.  Let me know if anything is unclear.
6 0
3 years ago
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