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Katarina [22]
2 years ago
5

(Immediate) Which structural formula represents a nonpolar molecule?

Chemistry
2 answers:
frutty [35]2 years ago
7 0

Answer: H-H

Explanation: it’s symmetrical on both sides

Vilka [71]2 years ago
4 0

Answer:

What is going on I am scared

Explanation:

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When 0.25 moles of NH3 are produced according to the reaction below, how many moles of H2 must have reacted?
marissa [1.9K]

Answer:

Explanation:

by stoichiometry

nNH3/2=nH2/3

0.25/2=nH2/3

nH2=0.25×3/2

nH2=0.375 mol

so its 0.38 mol

6 0
3 years ago
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Photosenthisis is a process in which plants prepare foodusing carbon dioxide chloriphil and water in the presence of sunlight du
olchik [2.2K]

Answer:

During photosynthesis SOLAR enerrgy is transformed into CHEMICAL energy.

Explanation:

In nutrition, green plants manufactures their own food which they use for both energy and growth. This is called an autotrophic mode of nutrition.

Therefore, photosynthesis is an autotrophic nutrition in which plant can build sugar by taking carbon dioxide from air and water from the soil. For the synthesis of sugar like glucose, carbon dioxide provides carbon

and oxygen whereas water molecules provide hydrogen. The plant builds sugar molecules from these simple compounds. Enzymes needed for this purpose are present in the cells and energy is trapped by chlorophyll from sunlight. This process is summarised in the equation below:

Sunlight (solar)

6CO2 + 6H2O--------------------> C6H12O6 + 6O2

From the equation, Carbon dioxide, water and sunlight (SOLAR energy) is the raw materials needed to produce Glucose and oxygen (CHEMICAL energy) as by products.

7 0
3 years ago
How can a scientist make sure that the results are not a mistake in an experiment?
olga55 [171]
Repeat trials multiple times
8 0
3 years ago
What is true about protons within an atom?
Ira Lisetskai [31]
It defines the element. If you change the protons, you change the type of element. A proton is positively charged and is most of the mass of the atom, next to the neutron. Neutrons have a very very very slightly higher mass.
4 0
3 years ago
Which information in the periodic table indicates the number of protons in an atom?      A. the position of the element in its c
Leni [432]
Hi there!


D is true

the number of protons is same as atomic number in an atom


good luck!
3 0
3 years ago
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