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2 years ago

The different forms of a gene for a given trait are called?

Chemistry

1 answer:

Olin [163]2 years ago

4 0

Answer:

Allele

Explanation:

An allele is a variant form of a gene.some gene have a variety of different forms which are located at the same position or gentic locuson a chromosone. human are called diploid organisms becuase they jave two alleles at a each genitic locus with one allele inherited from each parent.

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NaCl has a mc020-1.jpgHfus = 30.2 kJ/mol. What is the mass of a sample of NaCl that needs 732.6 kJ of heat to melt completely?

lilavasa [31]

Answer: The mass of the sample will be 1417.7 grams.

Explanation:

We are given:

$\Delta H_{fusion}=30.2kJ/mol$

This means that 1 mole of NaCl has an enthalpy of fusion of 30.2 kJ

1 mole of NaCl has a mass of 58.44 grams.

So, 30.2 kJ of heat is require for a mass 58.44 grams of NaCl

So, 732.6 kJ of heat will be required for = $\frac{58.44g}{30.2kJ}\times 732.6 kJ$ = 1417.65 grams of NaCl.

Hence, the mass of NaCl sample will be 1417.7 grams.

5 0

3 years ago

Read 2 more answers

What decides if an atom will be a cation or an anion?

JulijaS [17]

The loss or gain of electrons

Explanation:

The loss or gain of electrons determines if an atom will become a cation or anion.

A cation is a positively charge ion

An anion is a negatively charged ion.

In an atom, we have sub-atomic particles:

Protons are the positively charged particles

Electrons are negatively charged

Neutrons carry no charges

Only electrons can be lost or gained in chemical processes that forms cations and anions.

When a neutral atom gains electron, it has more electrons than protons. This makes it negatively charged and we call it an anion.

When a neutral atom loses an electron, the number of protons is more. We call it a cation.

Learn more:

Cations brainly.com/question/4670413

#learnwithBrainly

7 0

3 years ago

How many particles are present in0.24moles of carbon?

Ray Of Light [21]

Answer:

1.45 x 10²³ particles

Explanation:

Given parameters:

Number of moles of carbon = 0.24moles

Unknown:

Number of particles = ?

Solution:

A mole of a substance contains the Avogadro's number of particles.

The Avogadro's number of particles is 6.02 x 10²³

So;

0.24 moles of carbon will contain 0.24 x 6.02 x 10²³ = 1.45 x 10²³ particles

7 0

2 years ago

Hydrogen gas is filled in a 224 ml glass container at 0 degree celcius and 1 atmospheric pressure. What are the number of molecu

Step2247 [10]

Answer:

$\boxed{\text{6.02 $\math{\times 10^{21}}$ molecules}}$

Explanation:

A pressure of 1 atm and a temperature of 0 °C is the old definition of STP. Under these conditions, 1 mol of a gas occupies 22.4 L.

1. Calculate the moles of hydrogen.

$n = \text{0.224 L} \times \dfrac{\text{1 mol}}{\text{22.4 L}} = \text{0.0100 mol}$

2. Calculate the number of molecules

$\text{No. of molecules} = \text{0.0100 mol} \times \dfrac{\text{6.022 $\times 10^{23}$ molecules}}{\text{1 mol}}\\\\= \textbf{6.02 $\mathbf{\times 10^{21}}$ molecules}\\\\\text{The sample contains }\boxed{\textbf{6.02 $\mathbf{\times 10^{21}}$ molecules}}$

8 0

3 years ago

Read 2 more answers

The stability of an atom is determined by the: A strength of its gamma rays B ratio of neutrons to protons C number of electrons

Lyrx [107]

Your correct answer is (B) Ratio of neutrons to protons

Hope this helps! :)

6 0

3 years ago

Read 2 more answers