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2 years ago

What is the main function of burette?

Chemistry

2 answers:

krek1111 [17]2 years ago

7 0

Answer:

its d i think

Explanation:

Tasya [4]2 years ago

5 0

Answer:

I think it A

Explanation:

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if you where too smoke a menthol cigarette in space, would your lungs explode? some of my friends said it would

Ludmilka [50]

I dont think your lung will explode

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3 years ago

How will the following changes affect the mole fraction of chlorine gas, χcl2, in the equilibrium mixture.?

sammy [17]

If the reaction is represented by:
PCl₃ + Cl₂ <-> PCl₅ (exothermic)

the mole fraction of chlorine in the equilibrium mixture will change according to the following:
Decrease the volume: decrease
Increase the temperature: increase
Increase the volume: increase
Decrease the temperature: decrease

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2 years ago

Which one of the following is a base?<br>A. HCI <br>B.Cu(OH)2 <br>C.HNO3 <br>D.HC2H3O2

DedPeter [7]

Answer:

b. Cu(OH)2

Explanation:

As it is having Hydroxil ions(OH).

5 0

3 years ago

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A slow chemical reaction will have...

yawa3891 [41]

Answer:

Ay high concentration of reactants

Explanation:

To slow down a reaction, you need to do the opposite. Factors that can affect rates of reactions include surface area, temperature, concentration, and the presence of catalysts and inhibitors. ... Concentration - another way to increase the rate of a chemical reaction is to increase the concentration of the reactants.

5 0

2 years ago

Calculate the fraction of lattice sites that are schottky defects for cesium chloride at its melting temperature (645oc). assume

baherus [9]

Answer : 7.87 X $10^{-6}$ .

Explanation : To find the fraction of schottky defects in the given lattice of CsCl,

we use the formula, $\frac{N_{s} }{N}} = exp ( \frac{-Q_{s}}{2KT} )$

on solving with the given values , $Q_{s}= 1.86 eV$ and T as 645 + 273 K and rest are the constants.

$\frac{N_{s} }{N}} = exp ( \frac{-1.86 eV}{2 X (8.62 X 10^{-5}) X (645 +273)} )$

we get the answer as 7.87 X $10^{-6}$ .

6 0

2 years ago

Read 2 more answers