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velikii [3]
3 years ago
15

How to learn stoichiometry

Chemistry
1 answer:
frez [133]3 years ago
3 0
If you go on youtube and do a quick search about stoichiometry it really helps, or you can google "stoichiometry practice" and get wonderful worksheets that walk you through everything
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What are some positive applications for allelotoxin?
pogonyaev

Positive applications for allelotoxin is that it prevents plants from enduring any type of competition with other species.

<h3>What is Allelopathy?</h3>

This is the process in which a plant inhibits the growth of another through a secretion of a chemical which is referred to as allelotoxin.

This technique however reduces biodiversity which isn't ideal so as to prevent organisms from going extinct and also reduces adaptation or evolution due to the reduced or non growth of the plant species which are affected.

A common example is  the sorghum plant preventing of the growth of weeds thereby resulting in the most appropriate choices for the positive applications of allelotoxin.

Read more about Allelotoxin here brainly.com/question/13963687

#SPJ1

8 0
1 year ago
Which of the following statements about tornadoes is false?
loris [4]
The answer is A because the time wouldn't affect the weather that much depending on the circumstances.
4 0
3 years ago
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How many neutrons would be in an atom of Selenium if the mass number for this particular isotope is Se-80?
EleoNora [17]

Answer:2

Explanation:

6 0
3 years ago
What is the mass of bromine gas if it has a pressure of 720 mmHg, volume of 25mL and a temperature of 18.3 degrees Celsius
Annette [7]

Answer:

             Mass = 0.158 g

Explanation:

Formula used,

P V = n R T

Or,

n = P V / R T

Putting values,

n = 0.948 atm . 0.025 L / 0.0821 L.atm.K⁻¹.mol⁻¹ . 291.45

n = 0.00099 mol

Note: we have changed pressure from mmHg to atm, volume from mL to L and temperature from C to K)

Also,

Mass = n . Molecular Mass

Mass = 0.00099 mol × 159.808 g/mol

Mass = 0.158 g

7 0
2 years ago
A molecule in which the central atom has no lone pairs and forms four single bonds is said to have a ________ shape.
Margarita [4]
It should be tetrahedral. Good example is CH4
4 0
3 years ago
Read 2 more answers
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