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Karolina [17]
3 years ago
7

How many atoms are in 6.30 moles of sulfur (S)?

Chemistry
1 answer:
STatiana [176]3 years ago
8 0

Answer: 3.79*10^24 atoms

Explanation:

1 mole = 6.02214076*10^23 atoms

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In the reaction H2CO3 (aq) + 2NH3 (aq) = 2NH4^+ (aq) + CO3 2- (aq), how many electrons are transferred?
aalyn [17]

The electrons are transferred when the reaction is redox reaction. It means that there must be reduction and oxidation.

The given equation is

H_{2}CO_{3} (aq)+2NH_{3} (aq)=2NH_{4}^{+}(aq)+CO_{3}^{-2}(aq)

The oxidation number of each element remains the same before and after the reaction.

H = +1

C: +4

O: -2

N: -3

Thus this is simple acid base reaction and not redox

There is transfer of proton from bicarbonate to ammonia

this is not a redox reaction


3 0
3 years ago
Balance the equation and show the calculation of the number of moles and grams of CO2 formed from 11.9 grams of O2. Show your an
n200080 [17]

Answer:

0.2349 moles, 10.3356 g

Explanation:

The given reaction is :

C_6H_{14}+O_2\rightarrow CO_2 + H_2O

The balanced reaction by equating the same number of each atom both side is :

2C_6H_{14}+19O_2\rightarrow 12CO_2 + 14H_2O

Given that :

Amount of oxygen gas = 11.9 g

Molar mass of oxygen gas = 32 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus, moles are:

moles= \frac{11.9\ g}{32\ g/mol}

moles= 0.3719\ mol

From the reaction,  

19 moles of oxygen gas on reaction forms 12 moles of carbon dioxide

Also,

1 mole of oxygen gas on reaction forms 12/19 moles of carbon dioxide

So,

0.3719 moles of zinc on reaction forms \frac {12}{19}\times 0.3719 mole of carbon dioxide

<u>Moles of carbon dioxide formed = 0.2349 moles</u>

Mass of carbon dioxide = moles×Molar mass

Molar mass of carbon dioxide = 44 g/mol

<u>Mass of carbon dioxide formed = 0.2349 ×44 g = 10.3356 g</u>

4 0
3 years ago
Can you please help me with this
Alisiya [41]

Explanation:

TUU-PQVH-MFG LINK for them who truely interested in Paranormal and have any doubt on Paranormal

6 0
3 years ago
Directions: The diagram below shows Earth's orbit around the Sun. Use the diagram and
Virty [35]

Answer:

i think its k.

Explanation:

position k im sure

6 0
3 years ago
Plz solve the question and send the answer
baherus [9]

Answer:

64g of \bold{CH_{3}OH}\dashrightarrow44.8L

vapour density of CH_{3}3OH=\frac{mass}{volume} of \bold{CH_{3}OH}

=64/44.8=10/7=1.43 g/l

Vapour density of \bold{CH_{3}OH}=1.43g/l

4 0
3 years ago
Read 2 more answers
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