Which answer choice is a way to speed up how fast a solute can dissolve in a solvent? A: heat

Chemistry

1 answer:

Lyrx [107]2 years ago

6 0

A heat is the answer I think

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Which of the following elements could replace copper in a single replacement reaction?

Likurg_2 [28]

I’m thinking it’s gold because lead isn’t with cooper meaning that if u switch lead with cooper it won’t work at all .

7 0

2 years ago

If 1 kg of fuel is used in the above fusion reaction (2 1H + 3 1H--> 4 2He+1 0N) , the resulting helium has a mass of 0.993 k

enot [183]

Δmc
2

For one reaction:
Mass Defect =Δm
=2(m
H

)−m
He

−m
n

=2(2.015)−3.017−1.009
=0.004 amu
1 amu=931.5 MeV/c
2

Hence,
E=0.004×931.5 MeV=3.724 MeV
E=3.726×1.6×10
−13
J=5.96×10
−13
J

For 1 kg of Deuterium available,
moles=
2g
1000g

=500
N=500N
A

=3.01×10
26

Energy released =
2
N

×5.95×10
−13
J
=8.95×10
13

6 0

2 years ago

Name the following alkyne:

Lady bird [3.3K]

Answer:

There isn't any picture for me to see

have a good day :)

Explanation:

3 0

2 years ago

I need help trying to find the answer. can u help me?

Sliva [168]

The answer is:

B. orbits closer to its parent planet that the most other moons

That is because in Neap Tides, Spring Tide, Lunar Eclipse, Solar Eclipse, and other thing you always see the Moon orbiting the Earth in diagrams.

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Give the product expected when the following alcohol reacts with pyridinium chlorochromate (PCC). (Assume that PCC is present in

Hoochie [10]

Answer:

Kindly check the explanation section.

Explanation:

Based on the description of the reacting -OH group containing Compound, the drawing of the chemical compound is given in the attached picture.

So, without mincing words let's dive straight into the solution to the question.

The reaction between the OH containing compound and PCC is an oxidation reaction.

Looking at the carbon number 1 which the first OH group and CH3 are attached to. Oxidation can not occur here as tertiary alcohol can not be oxidize.

Hence, the second OH will be oxidized into a carbonyl group, C = O. Kindly note that when alcohol oxidizes it turns into an aldehyde.

The equation for the reaction is also given the the attached picture.

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2 years ago