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wlad13 [49]
3 years ago
7

in 1866, Gregor Mendel published his paper that described the research that led to his discovery of the laws of inheritance. Mor

e than 30 years later, his results were finally confirmed by Hugo de Vries and Carl Correns. Neither scientist had heard of Mendel’s work, but each was working independently on his own hypothesis about inheritance. Which statement describes the relationship between multiple approaches and familiarity with similar work? Scientists are more likely to explore an area of interest if they are unaware of previous research studies. Older research is more likely to be forgotten, and so it might be inadvertently repeated over and over. It is necessary for multiple approaches to be used when a researcher’s findings are not immediately accepted. Multiple approaches may occur because scientists develop similar interests independently of one another.
Chemistry
2 answers:
Lapatulllka [165]3 years ago
6 0

Answer:

d

Explanation:

is right

julia-pushkina [17]3 years ago
4 0
The answers will help you!!!!!
~~~~~~~~~~~~~~~~~~~~~~~~~~
The statement describes from the relationship between multiple approaches and familiarity with similar work. The answers is would be last sentences. D. Multiple approaches may occur because scientists develop similar interests independently.
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The reaction below is allowed to come to equilibrium. After equilibrium is reached, the temperature of the container is raised b
strojnjashka [21]

Answer: c. The rate of the forward reaction will increase.

Explanation:

Any change in the equilibrium is studied on the basis of Le-Chatelier's principle.

This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.

For the given equation:

2NH_3(g)\rightleftharpoons N_2(g)+3H_2(g)  \Delta H=+ve

This is a type of Endothermic reaction because heat is absorbed in the reaction.

When the temperature  is increased, according to the Le-Chatlier's principle, the equilibrium will shift in the direction where decrease in temperature occurs. As, this is an endothermic reaction, forward reaction will decrease the temperature. Hence, the equilibrium will shift in the right or forward direction.

3 0
4 years ago
Lucy learns that the lymphatic system is part of the circulatory system. She wants to learn more about it and reads more careful
adoni [48]

Answer: C because I’m smart

Explanation:

3 0
3 years ago
If a car travels 400 meters in 20 sec how fast is it going
pochemuha

Answer:

400 meters every 20 seconds

Explanation:

7 0
3 years ago
Read 2 more answers
Pls help asap!!!!
AVprozaik [17]

Answer: The pressure of the He is 2.97 atm

Explanation:

According to Dalton's law, the total pressure is the sum of individual pressures.

p_{total}=p_{N_2}+p_{O_2}+p_{He}.

Given : p_{total} =total pressure of gases = 6.50 atm

p_{N_2} = partial pressure of Nitrogen = 1.23 atm

p_{O_2} = partial pressure of oxygen = 2.3 atm

p_{He} = partial pressure of Helium = ?

putting in the values we get:

6.50atm=1.23atm+2.3atm+p_{He}  

p_{He}=2.97atm

The pressure of the He is 2.97 atm

3 0
3 years ago
15 POINTS PLEASE HELP What volume of water must be added to 35mL of 2.6m KCl to reduce its concentration to 1.2m? Please explain
BartSMP [9]
First, find the volume the solution needs to be diluted to in order to have the desired molarity:
You have to use the equation M₁V₁=M₂V₂ when ever dealing with dilutions.

M₁=the starting concentration of the solution (in this case 2.6M)
V₁=the starting volume of the solution (in this case 0.035L)
M₂=the concentration we want to dilute to (in this case 1.2M)
V₂=the volume of solution needed for the dilution (not given)

Explaining the reasoning behind the above equation:
MV=moles of solute (in this case KCl) because molarity is the moles of solute per Liter of solution so by multiplying the molarity by the volume you are left with the moles of solute.  The moles of solute is a constant since by adding solvent (in this case water) the amount of solute does not change.  That means that M₁V₁=moles of solute=M₂V₂ and that relationship will always be true in any dilution.

Solving for the above equation:
V₂=M₁V₁/M₂
V₂=(2.6M×0.035L)/1.2M
V₂=0.0758 L
That means that the solution needs to be diluted to 75.8mL to have a final concentration of 1.2M.

 Second, Finding the amount of water needed to be added:
Since we know that the volume of the solution was originally 35mL and needed to be diluted to 75.8mL to reach the desired molarity, to find the amount of solvent needed to be added all you do is V₂-V₁ since the difference in the starting volume and final volume is equal to the volume of solvent added.
75.8mL-35mL=40.8mL
40.8mL of water needs to be added

I hope this helps.  Let me know if anything is unclear.
Good luck on your quiz!
5 0
4 years ago
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