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kap26 [50]
4 years ago
11

Which example gives all the necessary information to describe motion scientifically?

Chemistry
2 answers:
spin [16.1K]4 years ago
6 0

the awnser would be number2


alukav5142 [94]4 years ago
5 0
Motion is defined as the change in position of an object over time. Therefore, an example that gives all the necessary information to describe motion scientifically is this: <span> The taxi driver drove 25 mph towards the coast. The answer would be option 2. 
</span>
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How can you use formal charge to determine a) when an atom should be electron deficient or b) when an atom should have an expand
mash [69]

Answer:

Using the Formula Fc = (Valence Electrons) - (Unbound Electrons) - (N bonds in the atom)

Explanation:

Concept: Formal Charge

Let's remember the concept of formal charge as the electric charge of an atom in a given molecule, it is calculated as it follows:

Fc = (Valence Electrons) - (Unbound Electrons) - (N bonds in the atom)

So to answer the question and by knowing the molecule, we can tell

a) Fc + Unbound Electrons + N Bonds of the atom = Valence Electrons, if the valence electrons are fewer than the actual electrons of the atom, it means it is missing electrons.

b) let' s remember the concept of expanded octet as an atom and the Lewis Structure having more than 8 electrons.

So if you sum the Valence Electrons and the N bonds in the atom multiplied by two (There are two electrons in 1 bond) and this number is greater than 8, you could say it has an expanded octet

5 0
3 years ago
Why are some amino acids described as essential amino acids?
SCORPION-xisa [38]

Answer:

I would say A and D if you can pick two answers. if not then pick D

6 0
3 years ago
Read 2 more answers
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Mariulka [41]

Answer: B)

Explanation:

7 0
3 years ago
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Which energy transformation is taking place when an animal eats food so it can keep warm
Elenna [48]
Radiant energy to thermal energy
6 0
3 years ago
At the equilibrium point in the decomposition of phosphorus pentachloride to chlorine and phosphorus trichloride, the following
Hitman42 [59]

Answer: K_{eq} for the reaction is 5.55

Explanation:

Equilibrium constant is the ratio of the concentration of products to the concentration of reactants each term raised to its stochiometric coefficients.

The given balanced equilibrium reaction is,

                        PCl_5(g)\rightleftharpoons PCl_3(g)+Cl_2(g)          

At eqm. conc.   (0.010) M     (0.15)  M   (0.37) M

The expression for equilibrium constant for this reaction will be,

K_c=\frac{[Cl_2]\times [PCl_3]}{[PCl_5]}

Now put all the given values in this expression, we get :

K_c=\frac{(0.37)\times (0.15)}{(0.010)}

K_c=5.55

Thus the K_{eq} for the reaction is 5.55

5 0
3 years ago
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