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Nady [450]
3 years ago
14

What happens to the air in the colloid when ice cream melts

Chemistry
1 answer:
Contact [7]3 years ago
7 0

The colloid formed by ice cream remains stable only at cold temperatures. When ice cream is warmed above freezing, its dispersed particles absorb energy and begin to move faster. When the fast-moving particles collide, they sometimes stick together.

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If the enthalpy value for a reaction is negative, what does that indicate about the reaction?
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This indicates that the reaction is exothermic meaning that it releases heat/energy
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3 years ago
Read 2 more answers
The chemical shift of the CH3 protons in diethylether is δ = 1.16 and that of the CH2 protons is 3.36. What is the difference in
grandymaker [24]

Answer:

Where Blocal = local magnetic field between the two regions of the molecule

Blocal = (1-σ)B0

ΔBlocal = (1-σ1)B0 - (1-σ2)B0 = (σ2 - σ1)B0 = ΔσB0 ≈ ΔδB0 x 10∧-6

= (3.36-1.16) x 10∧-6 x B0 = 2.20 x 10∧-6B0

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(b) ΔBlocal = 2.20 x 10∧-6 x 16.5T = 36.3 μT

Explanation:

5 0
3 years ago
What happens to raisins or other dried fruits in breakfast cereals when you pour milk over them? why?
viktelen [127]
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3 years ago
All information on a line graph is as precise as the information in the data table. TrueFalse
Alexus [3.1K]
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4 0
3 years ago
How many atoms are present in 34.69 moles of Mg
shusha [124]
<span>Avogadro's number. 

1 mole of any substance, molecule or element is equal to a certain amount of atom. 

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2.089 x 10^25 is also a correct answer.</span><span>
</span>
7 0
3 years ago
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