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Jet001 [13]
2 years ago
13

In fall, leaves may change from green to yellow or red. Explain in your own words what is happening inside the leaf with regard

to plant pigments. ​
Chemistry
1 answer:
natima [27]2 years ago
3 0

Answer:

The pigment that causes leaves to be green is chlorophyll. ... As chlorophyll goes away, other pigments start to show their colors. This is why leaves turn yellow or red in fall. In fall, plants break down and reabsorb chlorophyll, letting the colors of other pigments show through.

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Significant Figures: How many significant figures<br> are in 865,010?
Harrizon [31]

Answer: There are five significant figures in 865,010.

Explanation:

When a degree of accuracy is stated by each digit present in a mathematical figure then it is called a significant figure.

Rules for counting significant figures is as follows.

  • Any non-zero digits and zeros present between a non-zero figure are counted. For example, 3580009 has seven significant figures.
  • Trailing zeros are counted in a non-zero figure. For example, 0.00250 has three significant figures.
  • Leading zeros are not counted. For example, 0.0025 has two significant figures.

So, in the given figure 865010 has five significant figures and the trailing zero will not be counted.

Thus, we can conclude that there are five significant figures in 865,010.

7 0
3 years ago
Which element is used in light bulbs as filament
Sergeeva-Olga [200]
The answer is tungsten.
8 0
3 years ago
2 mg + 02–&gt; 2Mg0 reaction type?
Serga [27]

Displacement reaction

5 0
3 years ago
Predict the shape of the molecule.
balandron [24]

Answer:

B.) trigonal bipyramidal

Explanation:

A.) is incorrect. In octahedral molecules, the central atom is bonded to six other atoms.

B.) is correct. In trigonal bipyramidal structures, the central atom is bonded to five other atoms.

C.) is incorrect. In tetrahedral molecules, the central atom is bonded to four other atoms.

D.) is incorrect. There is not such thing as a pyramidal molecular shape. This term is most likely referring to the shape, trigonal pyramidal. However, this is still incorrect. In trigonal pyramidal molecules, the central atom is bonded to three other atoms and a lone pair of electrons.

7 0
1 year ago
chemistry moles PLEASE HELP!! A package of foil weighs 360g. How many moles of aluminium are there in this package??
Ksenya-84 [330]

Answer:

I am not 100% sure but I think it is 26.981538

Explanation:

6 0
2 years ago
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