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adoni [48]
3 years ago
7

Which model of the atom is the most accurate

Chemistry
1 answer:
Zarrin [17]3 years ago
7 0
Quantum Mechanical model (as per my knowledge)
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Help me please!!!!!!!!!!!!
solong [7]

Answer: B. 448.0 moles

Explanation:

The balanced chemical equation is :

2NBr_3+3NaOH\rightarrow N_2+3NaBr+3HOBr

According to stoichiometry :

3 moles of NaOH produce = 1 mole of N_2

Thus 48.00 moles of NaOH will produce =\frac{1}{3}\times 48.00=16.00moles  of N_2

Mass of N_2=moles\times {\text {Molar mass}}=16.00moles\times 28g/mol=448.0g

Thus 448.0 g of N_2 will be produced from 48.00 moles of NaOH.

3 0
3 years ago
What is the result of 2.58×0.12, including correct significant figures? Select the correct answer below: 0.3096 0.31 0.310 0.3
Masteriza [31]

Answer:

wrnognioegnewoiegoi

Explanation:

7 0
3 years ago
Read 2 more answers
V 2 O 5<br> + <br> H C I<br> V O C 13<br> +<br><br> H2 0
ArbitrLikvidat [17]

Answer:

2VOCl3 + 3H2O. Reaction Information. Shcherbinaite + Hydrogen Chloride = Vanadium(V) Oxytrichloride + Water. Reaction Type

Explanation:

6 0
3 years ago
What is the approximate percentage of corn syrup that would make an isotonic solution for the egg?
My name is Ann [436]
This can be answered when you execute the egg osmosis sample. All you have to do is submerge the egg in the corn syrup. Since the corn syrup is more concentrated than the egg, the solute would pass through the egg's cellular membrane. In exchange, the water from the egg would go to the syrup. It will achieve equilibrium when both the egg and the corn syrup would have equal osmotic pressures. <em>The solution would be isotonic at approximately 42% corn syrup.</em>
4 0
4 years ago
What is the charge on an ion with 21 protons, 30 neutrons, and 18 electrons.
Elis [28]

Answer:

3+

Explanation:

Ignore neutrons.

Protons are positive and electrons are negative. To find a charge, it is protons minus electrons. In this atom, there are 21 protons and 18 electrons

21-18=3

Positive 3

5 0
3 years ago
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