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
lisov135 [29]
4 years ago
15

A change in genetic material is known as a type of selection. True False

Chemistry
1 answer:
Charra [1.4K]4 years ago
6 0
 it is true for your question
You might be interested in
Which state of matter expands when heated and is easy to compress
AlladinOne [14]
That would be gases
6 0
4 years ago
Read 2 more answers
Which statement regarding the second law of thermodynamics is true?
GREYUIT [131]
The Second Law of Thermodynamics<span> says that processes that involve the transfer or conversion of heat energy are irreversible.</span><span> ... The First </span>Law of Thermodynamics<span> states that energy cannot be created or destroyed; the total quantity of energy in the universe stays the same.</span>
4 0
3 years ago
PLEASE HELP!!!!!!!
dsp73

Answer: 1. 2Al+3CuCl_2\rightarrow 2AlCl_3+3Cu

2. 3 moles of CuCl_2 : 2 moles of Al

3. 0.33 moles of CuCl_2 : 0.92 moles of Al

4. CuCl_2 is the limiting reagent and Al is the excess reagent.

5. Theoretical yield of AlCl_3 is 29.3 g

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} Al=\frac{25.0g}{27g/mol}=0.92moles

\text{Moles of} CuCl_2=\frac{45.0g}{134g/mol}=0.33moles

The balanced chemical equation is:

2Al+3CuCl_2\rightarrow 2AlCl_3+3Cu  

According to stoichiometry :

3 moles of CuCl_2 require = 2 moles of Al

Thus 0.33 moles of CuCl_2 will require=\frac{2}{3}\times 0.33=0.22moles  of Al

Thus CuCl_2 is the limiting reagent as it limits the formation of product and Al is the excess reagent.

As 3 moles of CuCl_2 give = 2 moles of AlCl_3

Thus 0.33 moles of CuCl_2 give =\frac{2}{3}\times 0.33=0.22moles  of AlCl_3

Theoretical yield of AlCl_3=moles\times {\text {Molar mass}}=0.22moles\times 133.34g/mol=29.3

Thus 29.3 g of aluminium chloride is formed.

5 0
3 years ago
Are atoms the smallest particles we know about, or are there smaller ones?
ZanzabumX [31]

Answer:

subatomic particles are smaller then atoms

4 0
4 years ago
Read 2 more answers
Read the reaction and the statement. H2(g) + I2(g) ⇌ 2HI(g) The concentration of H2, I2 and HI are measured as 0.04 M, 0.08 M an
hjlf

Answer:

45467777777777yt3457942

4 0
3 years ago
Other questions:
  • What mass of nitrogen is required to react with 16 grams of oxygen?
    6·1 answer
  • common state of matter on earth for tin ,scientist related to tin and color,texture,hardness,smell of tin please help really imp
    11·1 answer
  • How many moles are in 22 grams of argon?
    10·1 answer
  • Bruce left some butter out in his kitchen. Bright sunlight came in through the window and melted the butter. Heat energy from th
    6·2 answers
  • How does an increase in temperature at which a reaction takes place cause an increase in reaction rate
    12·1 answer
  • The pKa of benzoic acid is 4.2. At pH 2.0, it will exist mainly as and occupy the layer. At pH 4.2, it will exist mainly as and
    12·1 answer
  • Which class of organic compound is least likely to be used as an organic solvent? aldehyde ketone alkyl halide ether
    7·2 answers
  • carbon-dating was performed on an artefact that was found to have 25% of the original carbon-14 remaining in it
    7·1 answer
  • Question 2 of 10. What is Diffusion?​
    10·2 answers
  • What three types of particles make up an atom? What are their charges?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!