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3 years ago

Dd is recessive or dominant

Chemistry

2 answers:

Kobotan [32]3 years ago

7 0

Dd is recessive i got it right

slava [35]3 years ago

3 0

Answer:This would be heterozygous, so both dominant and recessive alleles are written.

Explanation:Heterozygous means that the dominant and recessive alleles are written genotypically.

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What is the pattern of valence numbers on the periodic table?

const2013 [10]

Answer:

In general, the number of valence electrons is the same within a column and increases from left to right within a row. Group 1 elements have just one valence electron and group 18 elements have eight, except for helium, which has only two electrons total.

7 0

3 years ago

When the u-235 nucleus is struck with a neutron, the zn-72 and sm-160 nuclei are produced, along with some neutrons. How many ne

Oxana [17]

4 neutrons that are produced along with the Zn and sm. The complete final equation is: ²³⁵U + ¹n → $\;^{72}Zn+\;^{160}sm$ + 4 n

<h3>What atomic mass?</h3>

Atomic mass, the quantity of matter contained in an atom of an element.

1) In the left side of the transmutation equation appears:

²³⁵U + ¹n →

Deleting the atomic number (subscript to the left) because the question does not show them as it is focused on a number of neutrons.

2) The right side of the transmutation equation has:

→ $\;^{72}Zn+\;^{160}sm$ +?

3) The total mass number of the left side is 235 + 1 = 236

4) The total mass number of Zn and sm on the right side is 160 + 72 = 232

5) Then, you are lacking 236 - 232 = 4 unit masses on the right side which are the 4 neutrons that are produced along with the Zn and sm.

The complete final equation is:

²³⁵U + ¹n → $\;^{72}Zn+\;^{160}sm$ + 4 n

Learn more about the atomic mass here:

brainly.com/question/14250653

#SPJ1

8 0

2 years ago

Calculate the number of moles in 136g of ammonia

amm1812

Answer:

8moles

Explanation:

We are given the mass of ammonia to be 136g

Ammonia = NH₃

Let us find the number of moles in ammonia;

Number of moles = $\frac{mass}{molar mass}$

Molar mass of ammonia = 14 + 3(1) = 17g/mol

so;

Number of moles = $\frac{136}{17}$ = 8moles

6 0

3 years ago

What is 25 milliliters in cubic centimeters

lubasha [3.4K]

1cc (cubic centimeter) and 1mL (milliliter) are the same volume. So, 25mL = 25cc

3 0

4 years ago

Create: Click Reset. Use the Gizmo to create a path in which the carbon atom goes from the atmosphere to the hydrosphere, biosph

Solnce55 [7]

Answer:

From the atmosphere to the hydrosphere by diffusion.

From the atmosphere to the biosphere by photosynthesis.

From the atmosphere to the geosphere by rainfall.

Explanation:

Carbon atom goes from the atmosphere to the hydrosphere by the process of diffusion because there is high concentration of carbondioxide present in the atmosphere. The carbon atom goes from the atmosphere to the biosphere by the process of photosynthesis in plants which uses carbondioxide gas as a raw material in the process for the preparation of organic compounds such as glucose. The carbon atom goes from the atmosphere to the geosphere with the help of rain. When carbondioxide gas react with water in the atmosphere, carbonic acid is formed and comes to the ground through rainfall.

7 0

3 years ago