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4 years ago

Which phrase best describes humidity?

Chemistry

2 answers:

Luden [163]4 years ago

8 0

Heat describes humidity

NARA [144]4 years ago

7 0

One phrase that best describes humidity is:

Heat

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3 years ago

An iron ball and an aluminum ball of mass 100 g each are heated to the same temperature and then cooled to a temperature of 20°C

Katarina [22]

I guess A because it lost less heat

3 0

3 years ago

Read 2 more answers

If E=mc^2,solve for both m and c. Also, if m=80 and c=0.40 what is the value of E?

Pie

Answer:

$m = \frac{E}{c^2}$

$c = \sqrt{\frac{E}{m} }$

$E = 12.8 J$

Explanation:

Part 1: Solving for m

We are given that:

E = mc²

To solve for m, we will need to isolate the m on one side of the equation

This means that we will simply divide both sides by c²

$m = \frac{E}{c^2}$

Part 2: Solving for c

We are given that:

E = mc²

To solve for c, we will need to isolate the m on one side of the equation

This means that first we will divide both sides by m and then take square root for both sides to get the value of c

$c^2 = \frac{E}{m}\\ \\ c=\sqrt{\frac{E}{m}}$

Part 3: Solving for E

We are given that:

m = 80 and c = 0.4

To get the value of E, we will simply substitute in the given equation:

E = mc²

E = (80) × (0.4)²

E = 12.8 J

Hope this helps :)

4 0

4 years ago

What element is added to toothpaste and city water systems to help tooth decay?

siniylev [52]

Fluoride is the element that is added to city water supplies and toothpastes to prevent tooth decay. According to research, fluoride helps to prevent tooth decay as it can reduce cavities by 24% and by boosting the production of saliva. Saliva helps to protect the tooth enamel by providing high levels of calcium and phosphate ions to the surface of the tooth.

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4 years ago

Give an example of how a functional group can affect the properties of an organic compound.

Svetradugi [14.3K]

The functional group can affect the chemical properties and physical properties. Like CH3CH3 and CH3CH2OH. The first one is gas and second one is liquid. The first one is not easy to react with others while the second one is.

7 0

4 years ago