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laiz [17]
4 years ago
9

Arden is making a pros and cons list about genetic engineering for a debate at school. Which part of her list is incorrect?

Chemistry
2 answers:
HACTEHA [7]4 years ago
7 0

Answer:

The answer is con 2

(I took the test)

Soloha48 [4]4 years ago
4 0

Answer:

The part of Arden's list that seems to be wrong is that genetic engineering can create organisms that survive in different environments (Pro 2).

Explanation:

Genetic engineering is a branch of genetics that introduces the use of technology to modify a living organism by introducing modified DNA into its original genome in order to improve its characteristics

The organisms subjected to changes by genetic engineering are called genetically modified organisms or GMOs, and can be stronger, longer-lived, more productive, or resistant to disease.

<em>Making a species resistant to any environment could cause it to develop in places where it could not live before, affecting the natural balance of an ecosystem to which it previously did not belong, so Pro 2 on Arden's list does not seem to be entirely beneficia</em>l.

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How many grams of C2H6 are needed to react with 54 grams of O2?
Dmitrij [34]

Answer:

Explanation:

in a combustion of ethane 2 moles of ethane react with 7 moles of O2

now no of moles in 54 gram of O2=mass/ molar mass

moles =54/32=1.7 moles

if 7 moles of O2 required 2 moles of ethane then 1.7 mole required=?

7 moles of O2=2 moles of C2H6

1.7 moles of O2=1.7*2/7=0.5 moles of C2H6

0.5 moles of C2H6 contain how much grams=?

mass= moles*molar mass=0.5*30=15

4 0
3 years ago
Describe the term molarity as it relates to an acid or base.
algol13
It's essentially another word for concentration, of the acid. e.g.  "the molarity of the acid is 3moldm^-3"
8 0
3 years ago
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I need help answering these Significant Figures - precise measurements questions
jok3333 [9.3K]

Answer:

3.0  x {10}^{4}

7 0
3 years ago
How many molecules of NH3 are produced from 8.01x10-4g of H2
lara31 [8.8K]

Answer:

1.61 x 10²⁰ molecules

Explanation:

Given parameters:

Mass of the hydrogen gas  = 8.01 x 10⁻⁴g

Unknown

Number of molecules of NH₃ = ?

Solution:

Given reaction:

                     N₂  +  3H₂   →   2NH₃

We have to solve from the known to the unknown

  • The known specie is the mass of H₂ ;

             find the number of moles of the specie;

    number of moles = \frac{mass}{molar mass}

     Molar mass of H₂ = 2(1) = 2g/mol

   Number of moles  = \frac{0.0008}{2}   = 0.0004mol

  • 3 moles of H₂   will produce 2 moles of NH₃

      0.0004 moles of H₂ will produce \frac{0.0004 x 2}{3}   = 0.00027moles of NH₃

   1 mole of a substance contains 6.02 x 10²³ molecules

     0.00027mole of NH₃ will contain 0.00027 x 6.02 x 10²³

                               = 1.61 x 10²⁰ molecules

4 0
4 years ago
Plate Tectonics Lab Report
madreJ [45]

Answer:

In this section, please include the if/then statements you developed during your lab activity for each location on the map. These statements reflect your predicted outcomes for the experiment.

<u>Location One: Select two events that you predict will be observed. If I explore two continental plates at a convergent boundary, then I will observe: </u>

earthquakes

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<u>Location Two: Select three events that you predict will be observed. If I explore two continental plates at a divergent boundary, then I will observe: </u>

earthquakes

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<u>Location Three: Select three events that you predict will be observed. If I explore two continental plates at a transform boundary, then I will observe: </u>

earthquakes

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volcanoes

island chains

seafloor spreading

<em><u>This is all I have for now! Hope this can help! :)</u></em>

3 0
3 years ago
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