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Rudik [331]
4 years ago
11

What isthe charaterics of matter?

Chemistry
1 answer:
ycow [4]4 years ago
7 0
The substance of which physical objects are composed, not counting engergies or force fields which are genearlly not counted as matter, although can contribute to the mass of an object.
Or it may be solid, liquid, mass or the 4th state of matter,plasma
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NaHCO3 + HC2H3O2 → NaC2H3O2 + H2O + CO2
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6 0
3 years ago
If 35.50 cm3 of a NaOH solution are required for the complete neutralization of a 25.00cm3 sample of 0.200mol dm-3 H2SO4, what i
Morgarella [4.7K]
In this question, you are given the NaOH volume but asked for concentration. 
Don't forget that for every 1 mol of NaOH there will be 1 mol OH- ion, but for every 1 mol of H2SO4 there will be 2 mol of H- ion.
To neutralize you need the same amount of OH- and H+, so the equation should be:

OH-= H+
<span>35.50cm3 * x*1= 25cm3* 0.2mol/dm3 *2
</span>x= 10/35.5 mol/dm3= 0.2816/dm3
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3 years ago
Explain why methane has a low boiling point
svet-max [94.6K]
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4 0
3 years ago
What is the value of the temp 15 degrees Celsius in degree kelvin
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8 0
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What happens when the pressure of a gas is decreased?
Serggg [28]

Answer:

The combined gas law states that the pressure of a gas is inversely related to the volume and directly related to the temperature. If temperature is held constant, the equation is reduced to Boyle's law. Therefore, if you decrease the pressure of a fixed amount of gas, its volume will increase.

Explanation:

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