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3 years ago

Where are chromosomes located within a cell

Chemistry

1 answer:

algol133 years ago

4 0

hello!

chromosomes are usually located in the nucleus of the cell, there are several different types of chromosomes 46 to be exact, one set from the male parent and one set from the female parent, each set has 23 chromosomes. the substitution and/or the addition or subtraction of a chromosomes can cause you to have a syndrome or other defects, that is all i have for now. :)

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What do strong and weak acids have in common?

Natali5045456 [20]

Answer:

All the above

Explanation:

A. Electrical current conduction

Aqueous solutions of both strong and weak acids will conduct an electric current. Weak acids are poorer conductors because they produce fewer ions.

B. Reaction with magnesium

Both strong and weak acids will react with magnesium, although weak acids will react more slowly.

C. pH paper test

Both strong and weak acids will give a colour with pH test paper, although the colours will probably be different.

D. Litmus paper test

Both strong and weak acids will turn blue litmus red.

4 0

4 years ago

Read 2 more answers

NaCl(aq) AgNO3(aq) → AgCl(s) NaNO3(aq) : NaCl(aq) AgNO3(aq) \rightarrow AgCl(s) NaNO3(aq) : blank H2SO4(aq) 2 LiOH(aq) → 2 H2O(l

Elena L [17]

The question is incomplete, here is a complete question.

Categorize each reaction into types of chemical reactions.

(1) $NaCl(aq)+AgNO_3(aq)\rightarrow AgCl(s)+NaNO_3(aq)$

(2) $H_2SO_4(aq)+2LiOH(aq)\rightarrow 2H_2O(l)+Li_2SO_4(aq)$

(3) $HCl(aq)+(NH_4)_2S(aq)\rightarrow H_2S(g)+2NH_4Cl(aq)$

(4) $Mg(s)+Cu(NO_3)_2(aq)\rightarrow Mg(NO_3)_2(aq)+Cu(s)$

Answer :

(1) Precipitation reaction

(2) Neutralization reaction

(3) Double-displacement reaction

(4) Single replacement reaction

Explanation :

(1) The balanced chemical reaction is:

$NaCl(aq)+AgNO_3(aq)\rightarrow AgCl(s)+NaNO_3(aq)$

This reaction is a precipitation reaction in which an insoluble salt formed when two aqueous solutions are combined. The insoluble salt that settle down in the solution is known an precipitate.

(2) The balanced chemical reaction is:

$H_2SO_4(aq)+2LiOH(aq)\rightarrow 2H_2O(l)+Li_2SO_4(aq)$

This is a neutralization reaction in which an acid react with a base react to give salt and water as a product that means it reacts to give a neutral solution.

(3) The balanced chemical reaction is:

$HCl(aq)+(NH_4)_2S(aq)\rightarrow H_2S(g)+2NH_4Cl(aq)$

The given reaction is a double-displacement reaction in which the cation of two reactants molecule exchange their places to give two different products.

(4) The balanced chemical reaction is:

$Mg(s)+Cu(NO_3)_2(aq)\rightarrow Mg(NO_3)_2(aq)+Cu(s)$

This reaction is a single replacement reaction in which the the more reactive element replace the less reactive element.

8 0

3 years ago

What atom has a mass number of 35 and an atomic number of 17?

enyata [817]

The answer is Chlorine

5 0

3 years ago

Light can travel through outer space from the Sun to the Earth. This shows that

Pavlova-9 [17]

Answer:

that light is on the electromagnetic spectrum

Explanation:

this is because In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not. In this sense, gamma rays, X-rays, microwaves and radio waves are also light. Like all types of EM radiation, visible light propagates as waves. However, the energy imparted by the waves is absorbed at single locations the way particles are absorbed. The absorbed energy of the EM waves is called a photon, and represents the quanta of light.

6 0

3 years ago

Read 2 more answers

Explain in words what is happening in each chemical equation.

Masteriza [31]

Answer:

Ammonia and oxygen without catalyst | NH3 + O2 → N2 + H2O. With supply of heat, ammonia reacts with oxygen and produce nitrogen gas and water as products. Nitrogen of ammonia is oxidized to nitrogen gas from -3 oxidation state to 0 oxidation state.

Explanation:

4 0

3 years ago