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Sonbull [250]
4 years ago
11

Do scientists worldwide use the same units of measurements?

Chemistry
2 answers:
AfilCa [17]4 years ago
7 0
Scientist typically use the international system of measurements, or the metric system. If you mean English as in England, then yes.<span> The United States' system of measurement is not usually used by scientists.</span>
klasskru [66]4 years ago
7 0
Yes they do they use the metric system
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6th grade science i mark as brainliest​
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3 years ago
How does bonding and antibonding molecular orbitals interaction stabilize Molecules?
elena-s [515]

Answer:

Both decrease the energy of the atomic orbitals to form the molecule by their overlap

Explanation:

Many molecules are not described correctly by Lewis theory. For example, diborane (B2H6), which is an electrodeficient compound: there are not enough valence electrons to be able to assign a Lewis structure.

The theory of binding and anti-binding orbitals describes molecular orbitals, whose atomic orbitals overlap to form them. Two atomic orbitals overlap giving a binding orbital molecular orbital. In the binder, the electrons that occupy it have a high possibility of being located between the atoms, so filling stabilizes the molecule. In an anti-binding orbital, the electrons that occupy it have a low probability of being located between the atoms, so that their filling destabilizes the molecule.

The interaction between two atomic orbitals is greater the greater their overlap and the smaller their energy difference.

5 0
4 years ago
A 52.0 g of Copper (specific heat=0.0923cal/gC) at 25.0C is warmed by the addition of 299 calories of energy. find the final tem
Leto [7]

Answer : The final temperature of the copper is, 87.29^oC

Solution :

Formula used :

Q=m\times c\times \Delta T=m\times c\times (T_{final}-T_{initial})

where,

Q = heat gained  = 299 cal

m = mass of copper = 52 g

c = specific heat of copper = 0.0923cal/g^oC      

\Delta T=\text{Change in temperature} 

T_{final} = final temperature = ?

T_{initial} = initial temperature = 25^oC

Now put all the given values in the above formula, we get the final temperature of copper.

299cal=52g\times 0.0923cal/g^oC\times (T_{final}-25^oC)

T_{final}=87.29^oC

Therefore, the final temperature of the copper is, 87.29^oC

4 0
4 years ago
Blank occurs when water molecules at the surface of a pool have enough kinetic energy that the attractive forces holding them to
Hunter-Best [27]

Evaporation occurs when water molecules at the surface of a pool have enough kinetic energy that the attractive forces holding them to the liquid can be overcome

6 0
3 years ago
Could the mechanism for the reaction of crystal violet with sodium hydroxide consist of one elementary step? Explain.
kondaur [170]

Answer:

Yes

Explanation:

Let's write the reaction as

CV⁺+ OH⁻ ⟶ CVOH

The reaction is first order in [CV⁺] and in [OH⁻], so the rate law is

rate = k[CV⁺][OH⁻]

A bimolecular collision between a crystal violet ion and a hydroxide ion as an elementary step would predict the observed rate law.

However, other plausible mechanisms may predict the same rate law.

7 0
4 years ago
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