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densk [106]
3 years ago
13

What are four uses for radioactivity?

Chemistry
1 answer:
tester [92]3 years ago
8 0

Answer:

radiation is used in medicine, academics, and industry, as well as for generating electricity.

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Provide a brief description of how the respiratory system works
Rus_ich [418]

Answer:

The lungs and respiratory system allow oxygen in the air to be taken into the body, while also letting the body get rid of carbon dioxide in the air breathed out. When you breathe in, the diaphragm moves downward toward the abdomen, and the rib muscles pull the ribs upward and outward.

Explanation:

3 0
3 years ago
Hiw many tons of sulfur are consumed in the production of 98 tons of sulfuric acid?
MariettaO [177]
Well as far as I know to make one ton of sulfuric acid takes 1,000,000 grams, so the answer should be 98,000,000 grams
5 0
4 years ago
What are the products formed when zinc reacts to dilute hydrochloride acid
joja [24]
The formula is:

Zn + Hcl —> H2 +Zncl2

Hence, the 2 products formed are:
Hydrogen gas and salt

Hope it helps!
5 0
3 years ago
Read 2 more answers
The mass of an average blueberry is 0.75 g and the of am automoblie is 2.0 x 10 to the 3 Kg. Find the number of automobiles whos
Paul [167]

Answer : The number of automobiles needed are, 2.26\times 10^{17}

Explanation :

First we have to calculate the mass of blueberries.

As, 1.0 mole of blueberries contains 6.022\times 10^{23} blueberries

So, 0.75 grams of blueberries contains 0.75g\times 6.022\times 10^{23}=4.52\times 10^{23}g blueberries

Mass of blueberries = 4.52\times 10^{23}g

Now we have to calculate the number of automobiles needed.

Number of automobiles needed = \frac{4.52\times 10^{23}g}{2.0\times 10^{3}kg}

Number of automobiles needed = \frac{4.52\times 10^{23}g}{2.0\times 10^{3}\times 10^{3}g}

Number of automobiles needed = 2.26\times 10^{17}

Thus, the number of automobiles needed are, 2.26\times 10^{17}

8 0
3 years ago
~Hey guys, can somebody answer this for me, thanks :) ~
NISA [10]
I think it's 11.56 minutes
3 0
3 years ago
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