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2 years ago

I would appreciate if somebody help me please!!! Pt2 posted

Chemistry

1 answer:

nignag [31]2 years ago

8 0

The disease prevention methods are as follows:

Influenza: Avoid close contact with sick people; Cover your mouth and nose, Clean your hands
Salmonella: wash hands properly; keep food area clean; cook food properly
Type 2 Diabetes : exercise regularly; reduce sugar intake; quit smoking
HIV/AIDS: Avoid sharing of unsterilized sharp objects; avoid unprotected sex; screen blood before transfusion
Heart disease: avoid trans fat; exercise regularly; avoid smoking
Whooping cough: wear face masks; wash regularly; get vaccinated

<h3>What is the disease prevention?</h3>

Disease prevention refers to the steps taken to protect oneself from developing a particular disease.

The disease prevention methods for the given diseases is as follows:

Influenza: Avoid close contact with sick people; Cover your mouth and nose, Clean your hands
Salmonella: wash hands properly; keep food area clean; cook food properly
Type 2 Diabetes : exercise regularly; reduce sugar intake; quit smoking
HIV/AIDS: Avoid sharing of unsterilized sharp objects; avoid unprotected sex; screen blood before transfusion
Heart disease: avoid trans fat; exercise regularly; avoid smoking
Whooping cough: wear face masks; wash regularly; get vaccinated

In conclusion, disease prevention is the best policy in health care.

Learn more about disease prevention at: brainly.com/question/13341436

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.400 moles of CO2 gas are confined in a 5.00-liter container at 25 °C. Calculate the pressure exerted in atmospheres and mm Hg.

solong [7]

The pressure exerted by 0.400 moles of carbon dioxide in a 5.00 Liter container at 25 °C would be 1.9563 atm or 1486.788 mm Hg.

<h3>The ideal gas law</h3>

According to the ideal gas law, the product of the pressure and volume of a gas is a constant.

This can be mathematically expressed as:

pv = nRT

Where:

p = pressure of the gas

v = volume

n = number of moles

R = Rydberg constant (0.08206 L•atm•mol-1K)

T = temperature.

In this case:

p is what we are looking for.

v = 5.00 L

n = 0.400 moles

T = 25 + 273

= 298 K

Now, let's make p the subject of the formula of the equation.

p = nRT/v

= 0.400 x 0.08206 x 298/5

= 1.9563 atm

Recall that: 1 atm = 760 mm Hg

Thus:

1.9563 atm = 1.9563 x 760 mm Hg

= 1486.788 mm Hg

In other words, the pressure exerted by the gas in atm is 1.9563 atm and in mm HG is 1486.788 mm Hg.

More on the ideal gas law can be found here: brainly.com/question/28257995

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8 0

1 year ago

What is the answer to this chemistry question?

olga_2 [115]

Answer:

The answer to your question is remplacement double

Explanation:

Data

Lead (II) nitrate = Pb(NO₃)₂

Potassium iodide = KI

Process

1.- Write the balanced chemical reaction

Pb(NO₃)₂ + 2KI ⇒ PbI₂ + 2KNO₃

2.- Conclusion

This is a remplacement double reaction because there are two reactants that interchange cations and the products are a combination of the reactants.

5 0

4 years ago

How many moles of Ca atoms are in 1 mol of CaSO4?

Galina-37 [17]

Answer:

6.02 x 10²³ atoms

Explanation:

Given parameters:

Number of moles CaSO₄ = 1 mole

Unknown:

Number of Ca atoms in the given compound = ?

Solution:

The given compound is:

CaSO₄

1 mole of CaSO₄ is made up of 1 mole of Ca atoms

Now;

1 mole of any substance contains 6.02 x 10²³ atoms

1 mole of Ca atoms will also contain 6.02 x 10²³ atoms

7 0

3 years ago

RIGHT ANWSER WILL BE MARKED BRAINLIEST

dybincka [34]

Answer:

11460

Explanation:

4 0

3 years ago

Urea (CH4N2O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH3) with carbon dioxide as follows: 2N

Montano1993 [528]

The question is incomplete, here is the complete question:

Urea (CH₄N₂O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH₃) with carbon dioxide as follows: 2NH₃(aq) + CO₂(aq) → CH₄N₂O(aq) + H₂O(l) In an industrial synthesis of urea, a chemist combines 135.9 kg of ammonia with 211.4 kg of carbon dioxide and obtains 178.0 kg of urea.

Determine the limiting reactant. (express your answer as a chemical formula)

<u>Answer:</u> The limiting reactant is ammonia $(NH_3)$