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LuckyWell [14K]
3 years ago
6

How many electrons can the px atomic orbital subtype hold?

Chemistry
1 answer:
NemiM [27]3 years ago
8 0
The p sublevel holds 6 electrons because it has 3 orbitals.
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Help me asappp please
Basile [38]

Answer:

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Explanation:

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3 0
3 years ago
10 atoms of aluminum reacts with 6 molecules of oxygen gas to produce aluminum oxide. 4 Al + 3 O2 ––> 2 Al2O3 What is the exc
Mrrafil [7]

The excess reactant is Aluminum.

<u>Explanation:</u>

We have to write the balanced equation as,

4 Al+ 3 O₂ → 2 Al₂O₃

According to the molar ratio 4: 3, from the given balanced equation, we can say that 4 atoms of Al reacted with 3 molecules of oxygen.

Given that 10 atoms of aluminum reacts with 6 molecules of oxygen, as per the ratio only 8 atoms of Aluminum is required to react with 6 molecules of oxygen, so excess reactant is Aluminum.

8 0
3 years ago
What is the average yearly rate of change of carbon-14 during the first 5000 years?
erica [24]

Answer:

The average yearly rate of change of carbon-14 during the first 5000 years = 0.0004538 grams per year

Explanation:

Given that the mass of the carbon 14 at the start = 5 gram

At the end of 5,000 years we will have;

A = A_0 \times e^{-\lambda \times t}

Where

A = The amount of carbon 14 left

A₀ = The starting amount of carbon 14

e = Constant = 2.71828

T_{1/2} = The half life

\lambda = 0.693/T_{1/2}

t = The time elapsed = 5000 years

λ = 0.693/T_{1/2} = 0.693/5730 = 0.0001209424

Therefore;

A = 5 × e^(-0.0001209424×5000) = 2.7312 grams

Therefore, the amount of carbon 14 decayed in the 5000 years is the difference in mass between the starting amount and the amount left

The amount of carbon 14 decayed = 5 - 2.7312 = 2.2688 grams

The average yearly rate of change of carbon-14 during the first 5000 years  is therefore;

2.2688 grams/(5000 years) = 0.0004538 grams per year

The average yearly rate of change of carbon-14 during the first 5000 years = 0.0004538 grams per year.

5 0
3 years ago
How does the composition of water molecule affect its charge
kolezko [41]
It is make the molecule polar.
7 0
3 years ago
Read 2 more answers
A. Calculations for the Determination of Ammonium Chloride The data from the data entry portion of the report has been copied in
Vladimir79 [104]

Answer:

A

Explanation:

Considering question A

Mass of  original sample is m_o = 0.945 \ g

Mass of   NH4Cl is  m_n = 0.116 \ g

Percent of  NH4Cl is k   =  12.275 \%

B

Mass of  NaCl  m_k  =  0.359 \ g

C

Mass  of  SiO2   m_e = 0.46

D

 Mass of original sample m_o = 0.945 \ g

  Differences in these weights (g) (use the absolute value of the difference)

recovery of matter   G  =   0.01 \ g

The  correct option is C

From the question we are told that

The mass of evaporating dish on #1 is  m_1 =  38.646 \ g

 The mass of evaporating dish and original sample   m_2 =  39 591 \ g

  The mass of evaporating dish after subliming NH_4Cl is m_3 =  39.4750 \  g

Generally the mass of the original sample is  mathematically represented as

        m_o =  m_2 - m_1

=>     m_o =  39 591 -  38.646

=>     m_o = 0.945 \ g

Generally the mass of NH_4Cl is mathematically represented as

        m_n = m_2 - m_3

=>      m_n = 39 591 - 39.4750

=>      m_n = 0.116 \ g

The  Percent  NaH_4 Cl (g)

        k   =  \frac{ m_n}{m_o} *100

=>     k   =  \frac{0.116 }{0.945} *100

=>      k   =  12.275 \%

Considering question B

The  mass of evaporating dish #2 is  m_g  =  38700\  g

The  mass of  watch glass is   m_a  =  28 299 \  g

The mass of evaporating dish #2, watch glass and NaCl  m_b  =  67,355 \  g

Generally the mass of NaCl is  

       m_k  =  m_b -[m_g + m_a]

=>     m_k  =  67,355  -[38700 + 28 299]

=>      m_k  =  0.359 \ g

Considering question C

 The mass of evaporating dish is   m_p= 38.645

 The mass of evaporating dish and SiO2     m_s  = 39.105 \ g

Generally  the mass of  SiO2  is  mathematically represented as

        m_e = 39.105 - 38.645

=>      m_e = 0.46

Considering  D

The  mass of the original  sample  is  m_o  =  0.945 \  g

Generally the experimental  mass recovered (NH_4Cl,NaCl, SiO2 ) is mathematically evaluated as

     M =0.116 + 0.46 + 0.359

    M  =  0.935 \ g

Generally the differences in these weights (g) of recovery of matter is mathematically represented as.

     G  =0.945- 0.935

=>   G  =   0.01 \ g

While drying the NaCl, the liquid boiled and some splattered out of the evaporating dish, causing the recovered mass to be lower.

     

6 0
3 years ago
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