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Anarel [89]
4 years ago
5

When plant grow towards sunlight the ____.

Chemistry
1 answer:
givi [52]4 years ago
6 0
Hey there!

When plants grow towards the sunlight they get more light.
This is because the sun gives light. It wouldn't be "C" because sunlight makes plants survive, it wouldn't be "A" because sunlight doesn't decrease the size, and it wouldn't be "D" because the sunlight only makes it survive, not actually live longer. This means your answer is option B: they get more light.


Hope this helps
Have a great day (:
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what is the difference between a chemical bonds formed in the molecules of 02 and the chemical bonds formed in crystals of a NaC
Jobisdone [24]

Answer:

O2 is a covalent substance while NaCl is an ionic substance

Explanation:

In O2 molecule, the bond is between 2 oxygen atoms which are non - metals. Thus, this is a covalent bond since it involves 2 non metals.

Whereas, for the NaCl molecule, the bond is between a metal sodium (Na) and a non metal Chloride(Cl) and thus we can say this is an ionic bond.

Thus the difference is that O2 is a covalent substance while NaCl is an ionic substance.

8 0
3 years ago
HELPPPP PLEASE ASAP!!!
irina [24]
Answer:

230
     Th
  90

Explanation:

The left side shows the element uranium with mass number 234 (superscript to the left of ths symbol) and atomic mass 92 (subscript to the left of the symbol).

So,  you have to find the mass number and atomic numbers missing on the right side which added to those shown for the helium atom reach 234 and 92.

This the the mathematics:

1) Mass number of U - mass number of He = 234 - 4 = 230 ⇒ the mass number of the missing element is 230.

2) atomic number of U - atomic number of He = 92 - 2 = 90 ⇒ the atomic number of the missing element is 90.

Now, you use the atomic mass to identify the element. You do it by simply searching in a periodic table. There you find that the atomic number 90 corresponds to thorium, whose symbol is Th.

Now you have that the product that completes the right side of the decay equation is:

230
     Th
  90


4 0
4 years ago
Which of the following reactions Shows a chemical change producing a gas? APEX
Nina [5.8K]

Answer:2CH_3OH(l)+3O_2(g)\rightarrow2CO_2(g)+4H_2O(l)

Explanation: A chemical change is a reaction in which chemical composition of the substance changes. Some bonds are broken and some new bonds are formed.

The reactants are written in terms of their chemical formula on the left hand side and the products are written in terms of their chemical formula on right hand side with a arrow in between. The chemical symbols are followed by their physical states such as (l) for liquid, (s) for solid, (g) for gas and (aq) for aqueous.

Thus the only reaction producing a gas is 2CH_3OH(l)+3O_2(g)\rightarrow2CO_2(g)+4H_2O(l)

4 0
4 years ago
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You do an experiment in which you need 0.25 mole of tyrosine (C,H11 NO3).
Marina CMI [18]

Answer:

B.90.5 g

Explanation:

not 100%sure hehe

6 0
3 years ago
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d1i1m1o1n [39]

Answer:

eu nu insteleg ce zite

Explanation:

7 0
3 years ago
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