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2 years ago

TRUE OR FALSE : Cell specialization is when a cell has a particular function or job. help ?

Chemistry

1 answer:

liubo4ka [24]2 years ago

8 0

Answer:

True

Explanation:

Cell specialization is the process by which generic cells change into cells meant to do certain tasks within the body

hope this helps :)

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How many mole of ZnCl2 will be produced from 55.0 g of Zn, assuming HCL is available in excess

Ilia_Sergeevich [38]

Answer:

0.84 mol

Explanation:

Given data:

Moles of ZnCl₂ produced = ?

Mass of Zn = 55.0 g

Solution:

Chemical equation:

2HCl + Zn → ZnCl₂ + H₂

Number of moles of Zn:

Number of moles = mass / molar mass

Number of moles = 55.0 g/ 65.38 g/mol

Number of moles = 0.84 mol

Now we will compare the moles of Zn with ZnCl₂ from balance chemical equation.

Zn : ZnCl₂

1 : 1

0.84 : 0.84

So from 55 g of Zn 0.84 moles of zinc chloride will be produced.

8 0

3 years ago

If the dosage for a medication is 225mg/lb, how many grams should a 25-lb child be given?

Oksanka [162]

Answer:

5.625 grams

Explanation:

Start your equation with what you have been given. Place the units you need in your answer on the right side of the equal sign.

225mg

----------- X ----------- X ------------- = ? g

Now start to fill in your equation and use a conversions to get rid of the units you don't want. Convert mg into grams first. The child's weight (25 lb) is placed over 1 just to get the equation lined up properly so you can see how the units cancel out.

225 mg 1 g 25 lb 5.625 g

--------------- X --------------- X ------------- = ---------------

lb 1000 mg 1 1

The lb on the top and bottom cancel each other out and you are left with just grams. Even though it is over one, that is the same at just 5.625 grams.

3 0

2 years ago

Changes in which measurements do not shift the equilibrium of a chemical system

erastova [34]

Any Change in the amount of an inert gas into a gas-phase equilibrium at constant volume does not result in a shift of the equilibrium of a chemical system. This follows the equilibrium law.

<h3>What is Equilibrium law ?</h3>

According to this principle, Adding an inert gas into a gas-phase equilibrium at constant volume does not result in a shift.

This is because the addition of a non-reactive gas does not change the partial pressures of the other gases in the container.

While the total pressure of the system increases, the total pressure does not have any effect on the equilibrium constant.

Learn more about chemical equilibrium here;
brainly.com/question/5537989

#SPJ1

4 0

1 year ago

560 000 in standard form

joja [24]

Standard:560,000

Short form: 560 thousand

Word form: Five hundred six hundred thousand

Expanded form: 500,000+60,000

4 0

3 years ago

Tin has many possible isotopes three of these isotopes are 114sn, 118sn, and 126sn. What’s the mass number in each? How many pro

just olya [345]

<u>Explanation:</u>

Tin is the 50th element of the periodic table and has many isotopes. Three of its isotopes are given which are: $_{50}^{114}\textrm{Sn}\text{ , }_{50}^{118}\textrm{Sn}\text{ and }_{50}^{126}\textrm{Sn}$