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Ghella [55]
3 years ago
14

What is difference between primary and standard solution?

Chemistry
1 answer:
Neko [114]3 years ago
7 0
A standard solution is solution that is a containing a precisely known concentration of an an element. Primary  it's typically a reagent which can ve weighed very easily, and which is so pure that the weight of it is truly representative of the number of molecules that it contained 
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Assume that the heat lost by the surface is gained by ethyl chloride. What enthalpies must you consider if you were to calculate
Ann [662]

Answer:

Specific heat of ethyl chloride in gas and liquid phases, enthalpy of vaporization and specific heat of solid surface.

Explanation:

In order to determine the final temperature, the heat lost by the chloride needs to be found. This would require the specific heat in both phases and the enthalpy of vaporization. (you will use q=mc(delta)T and q=m(delta)H)

Then the energy gained by the surface needs to be found. This will require the specific heat in order to use the q=mc(delta)T equation.

3 0
2 years ago
Which has a higher frequency electron or a neutron why ?
8_murik_8 [283]
The electron has a higher frequency compared to the neutron. It can be explained by the way an electron orbits the nucleus of an atom. 

According to Quantum Mechanics, electrons do not really orbit the nucleus of an atom. In fact, the most tightly bound state, the 1s orbital, has no angular momentum at all. This would be the state with the most "kinetic energy" and yet there is no "orbital" motion at all in this state.  

<span>However, there are frequencies associated with each orbital.</span>
5 0
3 years ago
What is the relationship of inertia ang mass? Give one situation to show their relationship
nika2105 [10]

Answer:

The mass of a body is a measure of its inertia. It means larger the mass of a body, larger will be the inertia offered by the body to change its state of motion.

Example

When we kick a football, it flies a long way but at the same time if we kick a stone of the same size, it hardly moves, as the stone resists a change in its motion better than the football because of its more mass

4 0
3 years ago
According to this video, how do scientists use data to study/monitor earthquakes and tsunamis?​
Anon25 [30]

Answer:

ewan ko po

Explanation:

sana makatulong

7 0
2 years ago
In order to maintain a sodium chloride (NaCl) concentration similar to ocean water, an aquarium must contain 4.7 g NaCl per 100
yawa3891 [41]

Answer:

0.047

Explanation:

mass percent is part/whole mass

7 0
2 years ago
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