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butalik [34]
3 years ago
12

Match the subatomic particle to its best explanation:

Chemistry
1 answer:
Karo-lina-s [1.5K]3 years ago
6 0

Answer:

a

Explanation:

aaaa

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Calculate the amount of heat water absorbs from a piece of hot metal using the following data: 75.0 g of cold water is placed in
AysviL [449]

Answer:

Amount of heat absorbed by water is 2604.54 J.

Explanation:

Amount of heat absorbed by water = m_{water}\times C_{water}\times \Delta T_{water}

where m represents mass, C represents specific heat and \Delta T represents change in temperature.

Here m_{water}=75.0 g , C_{water}=4.184J/(g.^{0}\textrm{C}) and \Delta T = (final temperature - initial temperature) = (29.5-21.2) ^{0}\textrm{C} = 8.3 ^{0}\textrm{C}

So, amount of heat heat absorbed by water

     = (75.0g)\times (4.184\frac{J}{g.^{0}\textrm{C}})\times (8.3^{0}\textrm{C})

     = 2604.54 J

8 0
4 years ago
When aqueous solutions of sodium chloride and silver (I) acetate combine, what are the products?
lesya692 [45]

Answer: The products are sodium acetate (CH_3COONa) and solid silver chloride (AgCl)

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

The reaction of  aqueous solutions of sodium chloride and silver (I) acetate is :

NaCl(aq)+CH_3COOAg(aq)\rightarrow CH_3COONa(aq)+AgCl(s)

Thus the products are aqueous sodium acetate (CH_3COONa) and solid silver chloride (AgCl)

3 0
4 years ago
The strongest elemental oxidizing agents are found in the _________ _________ region of the periodic table while the strongest r
Slav-nsk [51]

Strongest reducing agents are in Group 1 . For example lithium. The strongest oxidising agents are in Group 7 , For example Fluorine.

3 0
4 years ago
Read 2 more answers
In a chemical reaction 300 grams of reactant A combined with 100 grams of reactant B both A and B react to completion what is th
ivann1987 [24]

Answer: 1.2

Explanation:

3 0
3 years ago
At standard pressure, which element has a freezing point below standard temperature?
borishaifa [10]
⛄ (4)HG
-This is because it has a freezing point below standard temperature. 

5 0
4 years ago
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