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frozen [14]
3 years ago
7

What is an example of turning chemical energy into light energy?

Chemistry
1 answer:
levacccp [35]3 years ago
5 0
Chemical energy being changed into light energy would happen during phototsynthesis

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When balancing a chemical equation, the number of h atoms in 2 ch4 is eight?
Viktor [21]
Yes... that is correct.

CH4 is methane so the coefficent in front of it would double the number of atoms of each element
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3 years ago
PLS HELP THIS IS TIMED
hammer [34]

Answer:

the plant population over time has decreased. this could make all other organisms above the plant population numbers decrease as well.

Explanation:

4 0
3 years ago
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A solution of citric acid (H₃C₆H₅O₇) with a known concentration of 0.200 M H₃C₆H₅O₇ is titrated with a 0.750 M NaOH solution. Ho
Anestetic [448]

The quantity of NaOH required to reach the third equivalence point is 20mL.

Using the titration formula,

CaVa/CbVb = Na/Nb

Where,

Ca = concentration of citric acid (0.200 M)

Cb = concentration of NaOH (0.750 M)

Va = Volume of citric acid (25.0 mL)

Vb = volume of NaOH (x mL)

Na = number of reacting mole of citric acid (3)

Nb = number of reacting mole of NaOH (1)

Therefore Vb ( x mL) =CaVaNb/CbNa

                                 

 = 0.2× 25×3/0.75 ×1

                                   

= 15/0.75

                   Vb ( x mL) = 20 mL

Learn more here:

brainly.com/question/23631409

8 0
2 years ago
Which of the following does not state a property of electricity?
vagabundo [1.1K]
D, It is a flow of protons, is the best answer. Electricity is the flow of electrons, not protons.
3 0
3 years ago
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Soil erodes naturally, but human activities can greatly speed the rate of soil erosion, leading to diverse ecological effects an
igor_vitrenko [27]

Answer:

Methods of soil conservation are listed below.

Explanation:

The major sources of soil erosion include water,wind and tillage. In order to mitigate or prevent soil erosion, some of the following techniques can be implemented:

  1. <u>Contour Farming: </u>Planting in row patterns that run level around a hill — as opposed to the up and down the slope pattern.This reduces runoffs and consequently water erosion.
  2. <u>Crop Rotation:</u> This involves planting crops with high residue (e.g corn, small grains, e.t.c) in rotation,as the layer of residue would protect the topsoil.  
  3. <u>Built in structural diversion</u> : Used often for gully control, to regulate flow of water away from the field and through designated desired paths.
  4. <u>Conservation Tillage</u>: This involves methods such as no-till planting, strip rotary tillage, etc, which do not allow the soil surface to be smooth and bare, but instead  covered with crop residue that protects the soil from eroding forces.

6 0
3 years ago
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