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3 years ago

Heterozygous- a person having two different alleles for a gene is also called

Chemistry

1 answer:

Lisa [10]3 years ago

3 0

Answer:

heterozygous.

Explanation:

A genotype consisting of two different alleles of a gene for a particular trait (Aa). Individuals who are heterozygous for a trait are referred to as heterozygotes.

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What determines the ratio of ions of an ionic compound? ( see screenshot for options)

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What as I don’t see a as

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3 years ago

Iron has a density of 7.87 g/cm^3. What is the mass of 55.2 cm^3 of iron?

trapecia [35]

Answer: Formula: Mass = (Volume)(Density)

Iron Density = 7.87 g/cm^3

Volume of Iron = 55.2 cm^3

Mass=(V)(D)

Mass= (55.2 cm^3) x (7.87 g/cm^3)

Mass= 434,42 g

Explanation:

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3 years ago

. During a phase change, mass (3 points) stays the same increases decreases increases, then decreases

garik1379 [7]

Answer:

increases

Explanation:

During a phase change, mass increases.

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3 years ago

Ice melts to form water. And water freezes to form ice. Choose the TRUE statement about these changes.

Dmitrij [34]

Answer:

A. Both freezing and melting are physical changes.

Explanation:

Even if you were to freeze water, the molecules are still water molecules, and vise versa with melting it.

4 0

3 years ago

Read 2 more answers

In the emission spectrum of hydrogen the transitions observed in this experiment are in the visible region corresponding to the

Pepsi [2]

Explanation:

To calculate the wavelength of light, we use Rydberg's Equation:

$\frac{1}{\lambda}=R_H\left(\frac{1}{n_i^2}-\frac{1}{n_f^2} \right )$

Where,

$\lambda$ = Wavelength of radiation

$R_H$ = Rydberg's Constant = $1.097\times 10^7m^{-1}$

$n_f$ = Higher energy level

$n_i$ = Lower energy level

1) The wavelength of the n=4 to n=1.

$n_i=1,n_f=4$

Putting the values in above equation, we get:

$\frac{1}{\lambda }=1.097\times 10^7m^{-1}\left(\frac{1}{1^2}-\frac{1}{4^2} \right )\\\\\lambda =9.273\times 10^{-8}m=92.73 nm$

$1m=10^9nm$

The region of this electromagnetic transition will be in a ultraviolet region.

2) The wavelength of the n=4 to n=1.

$n_i=3,n_f=4$

Putting the values in above equation, we get:

$\frac{1}{\lambda }=1.097\times 10^7m^{-1}\left(\frac{1}{3^2}-\frac{1}{4^2} \right )\\\\\lambda =1.875\times 10^{-6}m=1875 nm$

$1m=10^9nm$

The region of this electromagnetic transition will be in an infrared region.

3 0

3 years ago