1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zmey [24]
3 years ago
15

All of the chromosomes line up along the middle of the cell during

Chemistry
2 answers:
grin007 [14]3 years ago
3 0
Meta-phase. The chromosomes line up during meta-phase right before pro-phase (when the genes cross over.)
kirill [66]3 years ago
3 0
The Chromosomes line along the equator of the cell during the metaphase of Mitosis.
You might be interested in
You and your lab group have been asked to design an investigation to determine the effects of heat transfer between two differen
GREYUIT [131]
I believe that answer is D
The heat from the Bunsen burner transfers to the water and the pot, then the heat from the pot transfers to the person’s hand.
5 0
2 years ago
What is the name of this hydrocarbon?
Phoenix [80]

Answer:

alkanes alkens alkenes and a bromatic hydrocarbons

5 0
2 years ago
Read 2 more answers
Root nodules are associations between bacteria and plant roots responsible for
max2010maxim [7]

Answer: Root nodules are associations between bacteria and plant roots responsible for nitrogen fixation.

Explanation:

  • As nitrogen present in atmosphere cannot be used by plants directly.
  • Nitrogen present in atmosphere is converted into nitrogen compounds by bacteria which is present in root nodules of a plant.
  • These compounds of nitrogen are then used by plants for various functions.
8 0
2 years ago
What is my control group in my experiment and why is it that?
alex41 [277]
Your control group would be the batteries since you CONTROL what brand you're using, for which one lasts the longest...aren't you suppose to figure that out when you do the experiment?
8 0
2 years ago
Read 2 more answers
rate of a certain reaction is given by the following rate law: rate Use this information to answer the questions below. What is
Sunny_sXe [5.5K]

Complete Question

The  rate of a certain reaction is given by the following rate law:

            rate =  k [H_2][I_2]

rate Use this information to answer the questions below.

What is the reaction order in H_2?

What is the reaction order in I_2?

What is overall reaction order?

At a certain concentration of H2 and I2, the initial rate of reaction is 2.0 x 104 M / s. What would the initial rate of the reaction be if the concentration of H2 were doubled? Round your answer to significant digits. The rate of the reaction is measured to be 52.0 M / s when [H2] = 1.8 M and [I2] = 0.82 M. Calculate the value of the rate constant. Round your answer to significant digits.

Answer:

The reaction order in H_2 is  n =  1

The reaction order in I_2 is  m = 1

The  overall reaction order z =  2

When the hydrogen is double the the initial rate is   rate_n  =  4.0*10^{-4} M/s

The rate constant is   k = 35.23 \  M^{-1} s^{-1}

Explanation:

From the question we are told that

   The rate law is  rate =  k [H_2][I_2]

   The rate of reaction is rate =  2.0 *10^{4} M /s

Let the reaction order for H_2 be  n and for I_2  be  m

From the given rate law the concentration of H_2 is raised to the power of 1 and this is same with I_2 so their reaction order is  n=m=1

   The overall reaction order is  

               z  = n +m

               z  =1 +1

               z  =2

At  rate =  2.0 *10^{4} M /s

        2.0*10^{4}  = k  [H_2] [I_2] ---(1)

= >    k  = \frac{2.0*10^{4}}{[H_2] [I_2]  }

given that the concentration of hydrogen is doubled we have that

            rate  = k [2H_2] [I_2] ----(2)

=>      k = \frac{rate_n  }{ [2H_2] [I_2]}

 So equating the two k

           \frac{2.0*10^{4}}{[H_2] [I_2]  } = \frac{rate_n  }{ [2H_2] [I_2]}

    =>    rate_n  =  4.0*10^{-4} M/s

So when

      rate_x =  52.0 M/s

        [H_2] = 1.8 M

         [I_2] =  0.82 \ M

We have

      52 .0 =  k(1.8)* (0.82)

     k = \frac{52 .0}{(1.8)* (0.82)}

      k = 35.23 M^{-2} s^{-1}

     

     

3 0
2 years ago
Other questions:
  • Before raw data can be used as scientific evidence, it must be analyzed and summarized. One way of summarizing data is to find t
    11·1 answer
  • Calculate the number of molecules in 0.75 moles of CH₄. x 10²³ molecules
    14·1 answer
  • Which subatomic particles would be found orbiting around the nucleus?
    5·1 answer
  • A 1.11 g sample of caffeine, C8H10N4O2, burns in a constant-volume calorimeter that has a heat capacity of 7.85 kJ/K. The temper
    7·1 answer
  • Which reaction is an example of a precipitation reaction?
    14·2 answers
  • Alchemy is a branch of ancient knowledge that states that the only three essential substances in nature are salt, sulfur, and me
    7·1 answer
  • Any help with atomic radius, ionization & electronegativity? See picture please! I dont really understand any of the three.​
    13·1 answer
  • Which of the following is a type of matter
    14·2 answers
  • Consider the following reaction:
    15·1 answer
  • What is the volume of a gas if 0.182 moles of the gas is at 1.99 atm and 83.4oC?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!