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Slav-nsk [51]
3 years ago
12

What is the name for a star that has two shells of hydrogen and helium undergoing fusion?

Chemistry
1 answer:
nasty-shy [4]3 years ago
6 0

Answer:

I am not so sure but I think it is A.

Explanation:

If i got it wrong sorry....   :(

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Two plants growing close to one another are competing for resources. Which resource are they NOT likely to compete for? Choices
Neporo4naja [7]

Answer: the resource which they are not likely to compete for is CARBONDIOXIDE. The correct option is C.

Explanation:

Competition may be defined as the a negative effect on plant growth which occurs when there is reduction in the availability of resources.

During the growth of plants, there are several resources that affects it's growth and maintenance. These resources include:

--> soil nutrients,

--> water,

--> carbondioxide and

--> sunlight

Since plants are autotrophs, that is, they manufacture their own food through the use of inorganic raw materials such as water and carbondioxide in the presence of sunlight, there may exist some level of competition for these resources when there is lack of space.

But plants are NOT likely to compete for carbondioxide because the atmospheric pool of carbondioxide is large and well mixed, therefore it won't be affected by lack of space between the two plants. Unlike the other main resources such as soil nutrients and water which are highly competed for and can determine the distribution of plants in an ecosystem.

6 0
3 years ago
A change in the internal energy of a system at constant pressure from a chemical reaction will result in an identical change in
xenn [34]

Answer:

1

Explanation:

6 0
3 years ago
Read 2 more answers
What's the boiling point of BH3?
Zina [86]
I'm not sure.  It is rare for BH3 to be in this form.  
8 0
3 years ago
A sample of 67 G of kno2 is dissolved to make 1 L of solution what is the molarity of the solution?
Alik [6]

Answer:

Molarity = 0.79 M

Explanation:

Given data:

Mass of KNO₂ = 67 g

Volume of solution = 1 L

Molarity of solution = ?

Solution:

First of all we will calculate the number of moles.

<em>Number of moles = mass/ molar mass</em>

Number of moles = 67 g / 85.10379 g/mol

Number of moles = 0.79 mol

Molarity:

Molarity = number of moles / volume in L

Molarity =  0.79 mol/1 L

Molarity = 0.79 M

8 0
3 years ago
Why does - No2 of nitrobenzeme is meta directing towards electrophilic substitution reaction ?​
Kisachek [45]

Answer:

no2

Explanation:

means ppppp help me

3 0
3 years ago
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