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Rashid [163]
3 years ago
12

What is the collision theory

Chemistry
1 answer:
algol133 years ago
4 0

Answer:

Collision theory states that when suitable particles of the reactant hit each other, only a certain fraction of the collisions cause any noticeable or significant chemical change; these successful changes are called successful collisions.

Explanation:

HOPE THIS HELPS

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A sample of O2 with an initial temperature of 50.0 oC and a volume of 105 L is cooled to -25 oC. The new pressure is 105.4 kPa a
Damm [24]

Answer:

71.92 kPa

Explanation:

Using the combined gas law equation;

P1V1/T1 = P2V2/T2

Where;

P1 = initial pressure (kPa)

P2 = final pressure (kPa)

V1 = initial volume (L)

V2 = final volume (L)

T1 = initial temperature (K)

T2 = final temperature (K)

According to the information provided in this question;

T1 = 50°C = 50 + 273 = 323K

V1 = 105L

T2 = -25°C = -25 + 273 = 248K

P2 = 105.4 kPa

P1 = ?

V2 = 55.0 L

Using P1V1/T1 = P2V2/T2

P1 × 105/323 = 105.4 × 55/248

105P1/323 = 5797/248

0.325P1 = 23.375

P1 = 23.375 ÷ 0.325

P1 = 71.92 kPa

4 0
3 years ago
what would happen if we lost our planets core on earth blew up, would we all die or will we lose gravity or suficate, pls help.
sergeinik [125]

Answer: if we lost our core it would be an entire fallout like fallout 76 we would have no way to protect ourselves from the radiation of space except for a select few that actually own astronaut suits tho we would not turn into monsters, sadly :( I wanna be a ghoul

3 0
2 years ago
how many moles of sodium are present in a sample of sodium having a mass of 137 g? (molar mass is 23.0g)
vivado [14]

Answer:

5.95 moles

Explanation:

No of moles = given mass / molar mass

No of moles = 137/23

= 5.95 moles

7 0
3 years ago
When a crystal of sodium chloride is dissolved in water, the oxygen ends of the water molecules are attracted to what part of th
Archy [21]
Sodium. Oxygen is electronegative and hece pulls bonding electron towards oxygen atom, creating a partial negative charge on the oxygen atom. As unlike charges attract, it is then attracted to the positively charged sodium ion.
6 0
3 years ago
Read 2 more answers
When salt is dissolved in water how many ions does it form
larisa86 [58]

Answer:

Salt is made from positive sodium ions bonded to negative chloride ions.

Explanation:

You may choose to laminate the water molecules, sodium ions, and chloride ions

6 0
3 years ago
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