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mafiozo [28]
3 years ago
10

How temperature affects reaction rate

Chemistry
2 answers:
atroni [7]3 years ago
6 0
I am not sure but as i remember, if the temperature is high, the reaction rate increases :)  
stiv31 [10]3 years ago
5 0
Increasing the temperatureincreases reaction rates because of the disproportionately large increase in the number of high energy collisions. It is only these collisions (possessing at least the activation energy for thereaction) which result in areaction.
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2. What is the volume of 40.0 g of N2 at STP?
vampirchik [111]

Answer:

Molar mass of

N

2

=

28 g/mol

Moles of

40.5 g N

2

gas

=

40.5 g

28 g/mol

=

1.45 mol

1 mol

of any gas at

STP

occupies

22.4 L

of volume.

1.45 mol

of

N

2

gas will occupy

1.45

mol

×

22.4 L

1

mol

=

32.48 L

3 0
2 years ago
If the volume and moles of a container are held constant, the temperature of a gas is inversely proportional to the pressure.
noname [10]

Answer:

FALSE

Explanation:

Assuming that the gas is ideal

Therefore the gas obeys the ideal gas equation

<h3>Ideal gas equation is </h3><h3>P × V = n × R × T</h3>

where

P is the pressure exerted by the gas

V is the volume occupied by the gas

n is the number of moles of the gas

R is the ideal gas constant

T is the temperature of the gas

Here volume of the gas will be the volume of the container

Given the volume of the container and number of moles of the gas are constant

As R will also be constant, the pressure of the gas will be directly proportional to the temperature of the gas

P ∝ T

∴ Pressure will be directly proportional to the temperature

4 0
3 years ago
If an iron atom loses two electrons, the name of the iron ion is
adoni [48]
If iron atom looses 3 electrons, it forms Fe+3 (ferric) and if iron looses 2 electrons, it forms Fe+2(ferrous). Hope this helps!
5 0
3 years ago
Read 2 more answers
The heat energy needed to raise the temperature of vapor above its saturation point is called _____________________. A. sensible
lana [24]

Answer:

Option (D)

Explanation:

The super-heating is usually defined as a phenomenon where a certain amount of energy is needed to raise the temperature of the water vapor beyond its normal saturation point. This is also known as the boiling delay.

The super-heat can be mathematically written as:

Super-heat = Current temperature - Boiling point of the liquid.

Thus, super-heat refers to the amount of energy that is required to increase the temperature of vapor beyond its point of saturation.

This super-heat is essential as it helps in preventing the damages of machines like air conditioner, fridge and also helps in their soft running.

Hence, the correct answer is option (D).

7 0
3 years ago
I will give brainliest but please help me asap please
love history [14]

Answer:

A1. Sr + 2

A2. P - 3

B1. Sr3P2

Explanation:

A1. Strontium ion | Sr+2

Description: Strontium(2+) is a strontium cation

Molecular Formula: Sr+2

A2.  PubChem CID     5182128

Structure Find Similar Structures

Molecular Formula P-3

B. Strontium phosphide

PubChem CID 166710

Structure Find  Similar Structures

Molecular Formula  Sr3P2 or P2Sr3

7 0
3 years ago
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