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3 years ago

18.07 Lab Acid Neutralization 1

Chemistry

1 answer:

BabaBlast [244]3 years ago

4 0

I don’t get it what do you mean ok

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the amount of solar energy reaching 1 m² of earths surface each second is 1.366 x 10^3 joules. if this energy was converted into

Advocard [28]

I think is 6.588579795x10^13 Kg because the equation is E=mc^2 and E is your Joules and c^2= 9x10^16 so m=(c^2)/E

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4 years ago

Please choose the correct sequence that describes the excitement of an atom.

Angelina_Jolie [31]

Answer: A because it’s correct

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3 years ago

If you have a fever, and your temperature is 39C what is your temperature in Fahrenheit.

Vadim26 [7]

The formula to convert from Celsius to Fahrenheit is F = 9/5C + 32 or F = (C*1,8)+32

F = 9/5*39 + 32 = 70,2 + 32 = 102,2° F

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3 years ago

1. How many kilograms are in 44.8 tons?

Feliz [49]

Answer:

4.06 × 10⁴ kg

Explanation:

Step 1: Given data

Mass (m): 44.8 ton

Step 2: Convert "m" to pounds

We will use the conversion factor 1 ton = 2,000 lb .

44.8 ton × (2,000 lb/1 ton) = 8.96 × 10⁴ lb

Step 3: Convert "m" to grams

We will use the conversion factor 1 lb = 453.59 g.

8.96 × 10⁴ lb × (453.59 g/1 lb) = 4.06 × 10⁷ g

Step 4: Convert "m" to kilograms

We will use the conversion factor 1 kg = 1,000 g.

4.06 × 10⁷ g × (1 kg/1,000 g) = 4.06 × 10⁴ kg

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3 years ago

How does a fire extinguisher works ?

Usimov [2.4K]

Answer:

Most fire extinguishers work by separating the fuel from the oxygen. The oxygen comes from the air. It is the same oxygen we breathe. Since the oxygen has to be in contact with the fuel, if you can coat the fuel with something that keeps the oxygen away, the fire will go out. Some ways of using fire extinguisher are:

 Water extinguishers work mainly by cooling (removing heat), but a dense spray of water droplets also helps to cut off oxygen.

 Dry powder extinguishers soak up heat, melt on the fuel, and cut off oxygen, but they also neutralize the fuel (cutting it off from the fire) .

Explanation:

I hope it was helpful...

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2 years ago