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attashe74 [19]
3 years ago
7

8. Which has greater thermal energy: a glass of water or a lake full of water? Why?

Chemistry
1 answer:
MariettaO [177]3 years ago
8 0

Answer:

Im assuming a glass of water

Explanation:

there is less water that needs to be heated up

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What is the gfm of Sn(NO3)2?
Nezavi [6.7K]
The GFM of the substance, also known as the atomic mass, is approximately 194.71
7 0
4 years ago
5. Hydrochloric Acid + Sodium Hydroxide à Sodium<br> Chloride +
erma4kov [3.2K]

HCl Acid + Sodium Hydroxide ----> Sodium  Chloride + water.

<u>Explanation</u>:

  • The reaction between an acid and a base is known as a neutralization reaction. The reaction of an acid with a base to give salt, water and heat is called neutralization.
  • When hydrochloric acid reacts with sodium hydroxide, sodium chloride and water are produced.  

                             HCl + NaOH → NaCl + H2O + Heat

  • The heat evolved in the neutralization reaction raises the temperature of the reaction mixture.    
  • An electro-electrodialysis process (EED) is utilized to create HCl and NaOH from exchange NaCl. NaOH and HCl arrangements with purity higher than 99.9% are acquired. The experimental estimations of the transitions for HCl and NaOH are contrasted and values determined from the incorporation of the Nernst–Planck electro dispersion conditions.
5 0
3 years ago
Calculate the molarity of a solution prepared by dissolving 11.5 g naoh in enough water to make 1.5 l of solution. 1. 7.6 m 2. 2
zhuklara [117]
Molarity of a solution = (number mol of solute)/ (volume of the solution)

1) Molar mass NaOH= M(Na)+M(O)+M(h)= 23.0+16.0+1.0=40.0 g/mol
2) 11.5 g NaOH *(1mol Naoh/40.0 g NaOH)=0.288 mol NaOH
3)Molarity (NaOH solution) =(0.288 mol)/(1.5 L)=0.192 M≈0.19 M
6 0
4 years ago
Read 2 more answers
Can someone help me pls will mark Brainly and 10+ points
bixtya [17]

Answer:

Hope this helps :)

Explanation:

1. A physical property is a characteristic of matter that is not associated with a change in its chemical composition.

2. Matter is everything around you. Atoms and compounds are all made of very small parts of matter.

3. Solid, liquid and, gas

4. False

5. Our weight on moon is less than it would be on Earth due to a difference of the strength of gravity on the moon.

6. Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

6 0
3 years ago
Calculate the amount of moles equal to 50.0 g of barium<br> Please show your work
maw [93]
<h2>Answer:</h2>

We will use dimensional analysis to solve this.

We will need the molar mass of barium, which is 137.33 g/mol.

50g × \frac{1 mol}{137.33g} = .36 mol Ba

There are <em>.36 moles of barium</em> in 50g of barium

7 0
3 years ago
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