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Vladimir79 [104]
3 years ago
7

What is H+ referred to in Chemistry ? ( 2 words required)

Chemistry
1 answer:
Sav [38]3 years ago
4 0
I am not quite sure but maybe Hydrogen ion ?
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Which of the following describes the role of water in supporting the chemical reactions that occur within various life forms? It
wel

Answer:

The correct option is;

It is used during photosynthesis to capture sunlight

Explanation:

During photosynthesis, light energy from the Sun is converted and stored in sugars as chemical energy. The Sun light energy is used in the formation of complex sugars such as glucose from the combination of water from the ground and carbon dioxide from the atmosphere while oxygen is released as the byproduct. Organisms are then able to obtain energy from the glucose as well as carbon fiber

The chemical equation for the reaction is as follows;

6CO₂     + 12H₂O + light energy → C₂H₁₂O₆  +  6O₂ + 6H₂O

Carbon,     Water,                            GLucose,  Oxygen,   Water

dioxide

4 0
3 years ago
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A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the f
viva [34]

Answer: -2.373  x 10^-24J/K(particles

Explanation: Entropy is defined as the degree of randomness of a system which is a function of the state of a system and depends on the number of the random microstates present.

The entropy change for a particle in a system  depends on the initial and final states of a system and is given by Boltzmann equation as  

S = k ln(W) .

where S =Entropy

K IS Boltzmann constant ==1.38 x 10 ^-23J/K

W is the number of microstates available to the system.

 The  change in entropy is given as

S2 -S1 = kln W2 - klnW1

dS = k ln (W2/W1)

where w1 and w2 are initial and final microstates

from the question, W2(final) = 0.842 x W1(initial), so:

= 1.38*10-23 ln (0.842)

=1.38*10-23  x -0.1719

= -2.373  x 10^-24J/K(particles)

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3 years ago
Put the moon phases in order from first to last phase.
ivolga24 [154]
It is b or a check with someone else
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3 years ago
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Draw the ester formed by the reaction of heptanoic acid and ethanol.
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Answer:

Ethyl heptanoate (see the attached image for the structure).

Explanation:

  • The reaction of heptanoic acid and ethanol will result ethyl heptanoate ester.
  • Ethyl heptanoate is the ester resulting from the condensation of heptanoic acid and ethanol. It is used in the flavor industry because of its odor that is similar to grape.
  • Kindly, see the attached image of the structure and the reaction.

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3 years ago
Jack is recording the growth of a single tree over the course of a year. What type of graph should he use to display the data?
Dmitry [639]

The answer should be the last one Line graph. I hope I helped!

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