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Studentka2010 [4]
2 years ago
13

Where do proteins get the energy to combine co2 and other compounds in the calvin cycle?

Chemistry
1 answer:
Elza [17]2 years ago
7 0
From the atmosphere
Hope this helps!
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A sealed 10.0 L flask at 400 K contains equimolar amounts of ethane and propanol in gaseous form. Which of the following stateme
Phoenix [80]

Answer:

(C) The average molecular speed of ethane is equal to the average molecular speed of propanol.

Explanation:

When dealing with gases, you know that the temperature and speed are related. When held at a constant temperature, the speed is also held constant. We also know that ideal gases behave the same despite their identities.

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What is the shape of name of Co2
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Answer:

The shape is called a <em><u>Linear</u></em><em><u> </u></em><em><u>shape</u></em>

The molecule is called <em><u>Carbon dioxide</u></em><em><u> </u></em><em><u>molecule</u></em><em><u>.</u></em>

Explanation:

The shape is linear because of the strong repulsive force between the lone pairs

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3 years ago
Give an example of an element, a molecule that has the element in it, and a mixture with the molecule.
NISA [10]

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1) aluminium

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How can i write the formula for potassium nitride?
MAXImum [283]
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5 0
3 years ago
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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