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Inga [223]
3 years ago
11

Organisms typically have more than one form of each gene if one form Canamak the appearance of another form that form is conside

red what to the other form?
Chemistry
1 answer:
Dominik [7]3 years ago
7 0

Answer: Dominant

Explanation:

A gene can exists in forms known as alleles. An allele that mask the presence of another is said to be dominant while Tue masked allele is said to be recessive.

Hence, in the presence of the dominant allele the traits carried by the recessive is not visibly expressed in the organism but masked by the expressed traits of such dominant allele

Thus, the form of gene is dominant

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Which of the following is not a phase change?
sweet [91]
C. Diffusion is not a phase change.
6 0
3 years ago
The highly reactive metals like sodium, potassium, magnesium, etc. Are extracted by the.
OlgaM077 [116]

Metals like sodium, potassium, magnesium, etc. are extracted by electrolysis of their chlorides in molten state.

These metals are not extracted by reduction of their oxides with carbon because:

Carbon has less affinity for oxygen than these metals

Carbon is a weaker reducing agent than these metals

These metals easily form oxides with oxygen, their oxides are very stable. Affinity to the oxygen is one the greatest of all elements.

Reducing agent is element or compound who loose electrons in chemical reaction. Sodium, potassium, calcium and magnesium are very strong reducing agents because they easily loose one or two valence electrons.

Electrolysis is a chemical methode that uses electric currents for chemical reactions.

More about reducing agent: brainly.com/question/7484765

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3 0
1 year ago
The student ran out of time and did not do the second heating. Explain how this error would affect the calculation for the numbe
Ber [7]

The error caused will lower the number of moles when he did not do the second heating.This question is related to the empirical formula.

<h3>What is Empirical formula ?</h3>

A formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.

The empirical formula is the simplest ratio of atoms in a given compound.

we know that heating is used to eliminate most of the water molecules which are attached to the compound in the question, it's given that the second heating was not performed by the students.

This means that there are still some water molecules attached to the compound. This will imply that higher mass will be calculated for the compound because the water molecules are also considered.

So now, if we look at the calculation for the number of moles of water in this, we can say that this will be lower than the actual amount.

This is because there are some unaccounted moles of water which are still attached to the compound and these will be accounted in the compound mass rather than the waters. Therefore, the number of moles will be lower.

Hence, The error caused will lower the number of moles when he did not do the second heating.

Learn more about Empirical formula here ;

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6 0
2 years ago
What is the concentration of a solution made with 0.150 moles of KOH in 400.0 mL of solution?
otez555 [7]

Answer:

concentration = \frac{0.15}{0.4}=0.375 mol/L

Explanation:

Concentration: i is defined as the mole per litre.

concentration = \frac{mole}{volume in L}

mole=0.15

volume=400 ml=0.4 litre

concentration = \frac{0.15}{0.4}=0.375 mol/L

6 0
3 years ago
The half-life of barium-131 is 12.0 days. How many grams of
dimulka [17.4K]

Let's see

\\ \rm\Rrightarrow A=A_o(0.5)^{\frac{t}{H}}

  • H is half-life

\\ \rm\Rrightarrow A=10(0.5)^{\frac{60}{12}}

\\ \rm\Rrightarrow A=10(0.5)^5

\\ \rm\Rrightarrow A=10(0.03125)

\\ \rm\Rrightarrow A=0.3125g

3 0
2 years ago
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