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Lerok [7]
2 years ago
13

I REALLY NEED THE HELP

Chemistry
1 answer:
timama [110]2 years ago
7 0

Answer:4

Explanation:number 4 is the right answer :)

You might be interested in
Please help appreciate it!!
zysi [14]

Explanation:

Ionization reactions are reactions that involve an electrically neutral atom or molecule be converted into electrically charged atom or molecule (ions).

Ions are recognized by the (⁺) and (⁻) signs.

First Reaction: Ions are formed so this option is correct.

Second Reaction: Ions are formed so this option is correct.

Third Reaction: This option is wrong. No ions are formed.

Fourth Reaction: Ions are formed so this option is correct.

Fifth Reaction: Ions are formed so this option is correct.

8 0
3 years ago
At what temperature does a gas at 1.00 atm and 20 degree Celsius have a pressure of 4.00 atm.
vfiekz [6]

Answer:

P1 =4 atm

T1= 20°C

P2=1 atm

T2=?

According to Gay-Lussac's Law or Third Gas Law,

P1T2=P2T1

4×T2=1×20

T2= 20/4

T2= 5°C

Answer At 5°C temperature does a gas at 1.00 atm !

7 0
3 years ago
How many grams are in 5.00 * 10^25 atoms of helium
statuscvo [17]

Answer:

dfghgvfdsrftgbnbvcdfvgbhnbvcxsdefrgthbvcxdsfgt

Explanation:

sdfgvfcdsertgyhbvcfxdsrftgh

4 0
3 years ago
Im not sure if it is a molecule or an atom ​
grigory [225]

Answer:

the first one

Explanation:

I looked it up:P

8 0
3 years ago
Read 2 more answers
67.4 cm= __________ km
Darya [45]

Answer: it would be 0.000674 km

Explanation:

7 0
3 years ago
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