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Eddi Din [679]
4 years ago
6

A group of students are studying how different stimuli affect the growth of plants. They place a growth lamp next to a plant tha

t has been placed in a dark room. To ensure the survival of the plant they make sure to provide an adequate amount of nutrients and water. Which way is the plant most likely to respond?
Chemistry
1 answer:
julsineya [31]4 years ago
4 0

Answer:

grow

Explanation:

it needs light

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What is the oxidation number of chromium in the ionic compound ammonium dichromate (nh4)2cr2o7?
lesya692 [45]
The oxidation number of an element is the number of electrons that are gained or lost by the element to form a chemical bond. 
the net oxidation number of the ion is its charge.
compound (NH₄)₂Cr₂O₇ is made of cation - NH₄⁺ and anion - Cr₂O₇²⁻
oxidation number of ion - -2
(oxidation number of Cr x 2 Cr atoms) +(oxidation number of O x 7 O atoms )= -2
oxidation number of Cr = y
oxidation number of O = -2
(y x 2) + (-2 x 7) = -2
2y - 14 = -2
2y = 12
y  = + 6
therefore oxidation number of Cr is +6 
4 0
4 years ago
Compounds X and Y are both C7H15Cl products formed in the radical chlorination of 2,4-dimethylpentane. Base-promoted E2 eliminat
saul85 [17]

Answer:

X  is 3-chloro-2,4-dimethylpentane

Explanation:

The radical chlorination of 2,4-dimethylpentane may give three products.

Based on the information that

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ii) both the products also undergoes SN2 reaction but Y reacts faster than X

We may conclude that as SN2 reaction is faster in primary alkyl halides as compared to secondary or tertiary so Y must be primary or secondary and it cannot be tertiary alkyl halide.

The possible products are shown in the figure.

The structure of X is shown in the figure.

5 0
3 years ago
What is the answer to this question What is H2O
BigorU [14]
H2O is a water molecule.
8 0
3 years ago
Read 2 more answers
Modern masonry fireplaces are based on designs first developed _____.
bazaltina [42]
A during the little ice age
3 0
3 years ago
When two or more simple machines are combined they form a(n) ____.
Dmitry_Shevchenko [17]

Answer:

A

Explanation:

A compound machine is a combination of two or more simple machines.

6 0
3 years ago
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