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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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Why is it important for science to keep testing a hypothesis even after they’ve found it to be true?

satela [25.4K]

Answer:

Explanation:

Repeated tests help determine whether the hypothesis is always true in different circumstances. Repeatedly testing a hypothesis qualifies it to be accepted as a theory.

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2 years ago

Why are noble gasses ''inert''

Bogdan [553]

Inert gases are gases that don't react with other elements. What this means is that they won't combine with other elements, and trigger chemical reactions. I've posted a picture of the Periodic Table. Take a look at the VERY LAST row, all the way on the RIGHT side of the table. That row is made of up NOBLE GASES (He, Ne, Ar, Kr, etc.) Those noble gases are INERT. They are non-reactive.

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3 years ago

What is the boiling point of a 1.5 m aqueous solution of fructose? the boiling point elevation constant of water is 0.515Â°c/m.

GREYUIT [131]

Answer is: he boiling point of a 1.5 m aqueous solution of fructose is 100.7725°C.
The boiling point elevation is directly proportional to the molality of the solution according to the equation: ΔTb = Kb · b.
ΔTb - the boiling point elevation.
Kb - the ebullioscopic constant. of water.
b - molality of the solution.
Kb = 0.515°C/m.
b = 1.5 m.
ΔTb = 0.515°C/m · 1.5 m.
ΔTb = 0.7725°C.
Tb(solution) = Tb(water) + ΔTb.
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5 0

3 years ago

A solid, pure substance containing just carbon and hydrogen is found to contain 35.8g of carbon and 3.72 g of hydrogen. how many

Igoryamba

Answer:

4.36 g of Carbon

Solution:

Step 1: Calculate the %age of Carbon in given Solid as;

Mass of Carbon = 35.8 g

Mass of Hydrogen = 3.72

Total Mass = 35.8 g + 3.72 = 39.52 g

%age of Carbon = (35.8 g ÷ 39.52 g) × 100

%age of carbon = 90.58 %

Step 2: Calculate grams of Carbon in 4.82 g of given solid as;

Mass of Carbon = 4.82 g × (90.58 ÷ 100)

Mass of Carbon = 4.36 g

3 0

3 years ago

Select the statements that correctly describe a buffer. a) An acid added to the buffer solution reacts with the weak base of the

Tom [10]

Answer:

(B.) The pH of a buffer solution is determined by the ratio of the concentration of conjugate base to the concentration of strong acid.
(C.) A buffer is generally made up of a weak acid and its conjugate base. 
(D.) The pH of a buffer solution does not change significantly when any amount of a strong acid is added.

Explanation:

A buffer is solution which resists change in pH upon addition of either acids or bases.

The pH of a buffer is calculated by the ratio of the concentration of base to concentration of acid. The weak acid and conjugate base have a Ka similar to the pH desired.

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3 years ago