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irina1246 [14]
3 years ago
5

Hi i have 5 mins to complete this please help... Take a look at this equation:

Chemistry
1 answer:
VARVARA [1.3K]3 years ago
6 0

Answer:

C: The Fe is not balanced

Explanation:

The reaction expression is given as:

          Fe₂O₃   +   3H₂  →  Fe  +  3H₂O

The problem here is to find the specie that is not balanced.

                                                        Number of moles

Specie                               Reactant                                      Product

Fe                                              2                                                 1

O                                               3                                                3

H                                                6                                                6      

So, we see that Fe is not balanced.

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3 0
3 years ago
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krok68 [10]

There will be a 25% chance that the plant will have wrinkled seed.

Explanation:

The round seeds are dominant and can be considered homozygous for round seeds will have alleles RR

The wrinkled seeds are recessive and can be considered homozygous for wrinkled seeds will have alleles rr

When these are crossed

   r     r

R Rr  Rr

R Rr  Rr   All the progeny are Heterozygous round seed

When These are crossed with plant heterozygous for round seeds

RrXRr

   R   r

R RR Rr

r  Rr  rr

The genotype ratio is 1:2:1   1 homozygous round, 2 heterozygous round, 1 homozygous wrinkled.

The phenotype ratio is 3:1  3 round and 1 wrinkled

Hence 25 % of the plants will have wrinkled seeds

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3 years ago
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