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aniked [119]
3 years ago
9

Which of these elements does not bond with other elements to form molecules?

Chemistry
1 answer:
prohojiy [21]3 years ago
8 0

Answer:

Explanation:b

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What is the theoretical yield of vanadium, in moles, that can be produced by the reaction of 1.0 mole of V2O5 with 4.0 moles of
IRINA_888 [86]

Answer:

Theoretical yield of vanadium = 1.6 moles

Explanation:

Moles of V_2O_5 = 1.0 moles

Moles of Ca = 4.0 moles

According to the given reaction:-

V_2O_5_{(s)} + 5Ca_{(l)}\rightarrow 2V_{(l)} + 5CaO_{(s)}

1 mole of V_2O_5 react with 5 moles of Ca

Moles of Ca available = 4.0 moles

Limiting reagent is the one which is present in small amount. Thus, Ca is limiting reagent. (4.0 < 5)

The formation of the product is governed by the limiting reagent. So,

5 moles of Ca on reaction forms 2 moles of V

1 mole of Ca on reaction for 2/5 mole of V

4.0 mole of Ca on reaction for \frac{2}{5}\times 4 mole of V

Moles of V = 1.6 moles

<u>Theoretical yield of vanadium = 1.6 moles</u>

4 0
3 years ago
What is the balanced product of Ba(CN)2+(NH4)2SO4
Alik [6]

Answer: Ba(CN)2 + (NH4)2SO4 => BaSO4 + 2 NH4CN

Explanation: The reaction will produce BaSO4 Barium sulfate and NH4CN Ammonium cyanide.

3 0
3 years ago
Read 2 more answers
Which of the following compounds will not exist as resonance hybrid. Give reason for your answer :
Novosadov [1.4K]

Answer:

CH3OH

Explanation:

As it lacks

\pi

electrons hence it will not exist as resonance hybrid.

8 0
3 years ago
Describe in general a process desert plants might need to carry out in order to maintain homeostasis. (4 points) All plants need
harkovskaia [24]

Answer:

Cacti remain homeostasis because of the lack of leafs it has, because it has no leaves it absorbs less heat keeping more water, it also has a nice waxy coat that remains moist and grows depending on the amount of water it holds, and it's stem acts as a water supply keeping the plant fed and cool in harsh ecosystems.

Hope this helps.

6 0
4 years ago
Why is the mass in amu of a carbon-12 atom reported as 12.011 in the periodic table of the elements?
Bas_tet [7]

The mass of an element listed in the Periodic Table is the weighted average of all its naturally occurring isotopes.

Naturally occurring carbon is about

99 % carbon-12 (12.000 u) + 1 % carbon-13 (13.003 u).

That extra carbon-13 makes the <em>average atomic mass</em>  greater than 12.000 u.

7 0
3 years ago
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