Genes are located in which part of a cell?A. Vacuole

B. Chromosome

C. Ribosome

D. Cytoplasm

Answers

Answer 1

Answer:

Answer:

Chromosome

Explanation:

We inherit our genes from our parents, which we share 24 chromosomes from both of our parents. XX is female , and XY is male.

Answer 2

Answer:

Answer:

B. Chromosome

Explanation:

Genes are contained in the Chromosome. A Chromosome contains hundreds of thousands of genes.

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List 3 ways that scientists investigate and learn about the natural world?

Answers

3 ways that scientists investigate and learn about the natural world would include:
- Experimenting
- Applying
- Growing

How many moles of cobalt (Co) atoms are there in 6.00 times 10 to the 9th power cobalt atoms?

Answers

Answer:

In $6.00 * 10^9$ of cobalt atoms there are $6.00 * 10^9$ mol Co

Explanation:

Step 1 : Identify the relationship between 1 mole Cobalt and Avogadro's number of atoms.

$1 \text{mole Cobalt } = 6.022 * 10^(23) \text{ atoms of cobalt }$

Avogadro’s number is number of units present in one mole of any substance (defined as its molecular weight in grams)

Step 2: Divide the given atoms of cobalt by the number of atoms per mol.

Given atoms of cobalt is $6.00 * 10^9$

Now by performing division

Number of moles of cobalt (Co) atoms in $6.00 * 10^9$ cobalt atoms is

= $(6.00 * 10^9)/(6.022 * 10^(23))$

= $0.996 * 10^9 * 10^(-23)$

= $0.996 * 10^(9 -23)$

= $0.996 * 10^(-14)$

How many grams of Fe2O3 will be produced from 37.5 grams of iron

Answers

Grams are the unit of the mass that is used to calculate the moles. From 37.5 gms of iron, 53.6 gms of ferric oxide are produced.

What is mass?

Mass is the measurement of the moles of the substance and the molar mass.

Moles of iron from the mass is calculated as:

Moles of iron = 37.5 gms ÷ 55.84 = 0.671 moles

The balanced chemical reaction:

4Fe + 3O2 → 2Fe2O3

From the above it is deduced that 4 moles of iron produce 2 moles of ferric oxide so, 0.671 moles of iron will produce,

(0.671 × 2) ÷ 4 = 0.3375 moles

Mass of ferric oxide, from moles, is calculated as:

Mass = 0.33 moles × 159.687

= 52.696 gms

Therefore, 53.6 gms of ferric oxide will be produced from 37.5 gms of iron.

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Final answer:

The mass of Fe2O3 that can be produced from 37.5g of iron (Fe) is approximately 53.65g. This is achieved by converting mass of iron to moles, using stoichiometry from the balanced chemical equation to convert moles of iron to moles of Fe2O3, and then converting moles of Fe2O3 back to grams.

Explanation:

First, we need to figure out the molar mass of iron (Fe) which is approximately 55.85 g/mol and the molar mass of iron(III) oxide (Fe2O3) which is approximately 159.69 g/mol. We find this using the atomic masses of Iron (Fe) and Oxygen (O) from the periodic table and add them appropriately.

Next, to find the number of moles of iron we use the provided mass of Fe and its molar mass. We calculate this as (37.5 g Fe / 55.85 g/mol Fe) = 0.671 moles of Fe. Now, the balanced chemical equation for the formation of iron(III) oxide is: 4Fe + 3O2 --> 2Fe2O3. From this balanced equation, we know that it takes 4 moles of iron (Fe) to produce 2 moles of Fe2O3. Therefore, the moles of Fe2O3 formed from 0.671 moles of Fe would be (0.671 moles Fe * 2 moles Fe2O3/4 moles Fe) = 0.336 moles of Fe2O3.

Finally, to find the mass of Fe2O3 produced, we multiply the moles of Fe2O3 by its molar mass. We calculate this as (0.336 moles Fe2O3 * 159.69 g/mol Fe2O3) = 53.657 g of Fe2O3.

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What weather conditions would you expect on the windy side of a mountain?

Answers

you would expect low humidity and low air pressure because as you go higher into the atmosphere the less air you get because your going into outter space. No matter what amount of clothes you wear as you get higher and higher you get colder and colder

When a rocket rises what causes the reaction force

Answers

The action force when a rocket rises is caused by the rocket expelling gas out of its engine. The rocket reacts by moving in the opposite direction and lifting off from the launch pad.

Ca(OH)2 + H3PO4
Double Replacement Reaction