NHẠNO3 MgSO4 [1] Mass of salt (g) 1.999 2.001 [2] Volume of DI water (mL) 50.1 49.8 50.1 49.8 Mass of DI water (g) [3] Temperature of DI water (°C) 24.2 24.0 [4] Temperature of mixture after dissolution (°C) 20.9 31.4 Temperature difference (°C) 3.3 7.4 [5] Total mass in reaction (g) 52.099 51.801 [6] Enthalpy of solution AHsolution (cal/mol)
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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![NHẠNO3
MgSO4
[1] Mass of salt (g)
1.999
2.001
[2] Volume of DI
water (mL)
50.1
49.8
50.1
49.8
Mass of DI water (g)
[3] Temperature of DI
water (°C)
24.2
24.0
[4] Temperature of mixture
after dissolution (°C)
20.9
31.4
Temperature
difference (°C)
3.3
7.4
[5] Total mass in
reaction (g)
52.099
51.801
[6] Enthalpy of
solution AHsolution
(cal/mol)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F005c16a2-10b7-4763-a388-af22ee9e94fc%2Fbd7136c6-0896-4e93-8788-af7aa66102a1%2F0o7zrci_processed.png&w=3840&q=75)
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