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Fiesta28 [93]
4 years ago
6

Write the balanced net ionic equation for the reaction between mno4- and fe2+

Chemistry
1 answer:
Citrus2011 [14]4 years ago
7 0
2MnO4 - + Fe2+    ------>   Fe2(MnO4)2
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Air contains maximum amount of?
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Nitrogen by 78 percentage.
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Sort the functions of life based on whether they are performed by an amoeba or a plant.makes food fromcarbon dioxide,water, and
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Explanation:

Plants are autotrophic organisms which prepare their food with the help of photosynthesis. Plants can have both asexual or multi-sexual reproduction.

Amoeba is a single celled eukaryotic organism. It moves through pseudopodia and it does not have any definite shape. Amoeba can have only asexual reproduction.

The given functions for amoeba and plants are sorted as follows.

Functions of Amoeba:

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Functions of Plants:

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4 years ago
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Which change is an unlikely result of destruction of wetlands?
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D. Healthy fish populations

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A 32.2 g iron rod, initially at 21.9 C, is submerged into an unknown mass of water at 63.5 C. in an insulated container. The fin
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Answer : The mass of the water in two significant figures is, 3.0\times 10^1g

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In this case the heat given by the hot body is equal to the heat taken by the cold body.

q_1=-q_2

m_1\times c_1\times (T_f-T_1)=-m_2\times c_2\times (T_f-T_2)

where,

c_1 = specific heat of iron metal = 0.45J/g^oC

c_2 = specific heat of water = 4.18J/g^oC

m_1 = mass of iron metal = 32.3 g

m_2 = mass of water = ?

T_f = final temperature of mixture = 59.2^oC

T_1 = initial temperature of iron metal = 21.9^oC

T_2 = initial temperature of water = 63.5^oC

Now put all the given values in the above formula, we get

32.3g\times 0.45J/g^oC\times (59.2-21.9)^oC=-m_2\times 4.18J/g^oC\times (59.2-63.5)^oC

m_2=30.16g\approx 3.0\times 10^1g

Therefore, the mass of the water in two significant figures is, 3.0\times 10^1g

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3 years ago
At 1 atm, equal masses of H₂O(s), H₂O(l), and H₂O(g) have
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