3 years ago

Which profession is likely to use a radiation shield?

Chemistry

2 answers:

Sidana [21]3 years ago

5 0

Answer:

astronomer

Explanation:

just took the test :)

pantera1 [17]3 years ago

3 0

Which profession is likely to use a radiation shield?
A.)dentist
B.)astronomer
C.)mathematician
D.)geologist

The answer is B: Astronomer

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Which of the Following Correctly Balances this Equation? _H2+_Cl2 --> _HCl

Scorpion4ik [409]

2 hydrogen and 2 chlorine on the reactant side(left of the arrow)
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H2 + Cl2 —> 2 HCl

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3 years ago

What is the concentration of a 1:10 dilution of a 2.5 M solution of NaCl? How would you prepare exactly 100 ml of such a solutio

Marina CMI [18]

Answer: The concentration of the solution is 0.25 M

Explanation:

Let the volume of solution of 2.5 M NaCl be 10 mL

We are given:

Dilution ratio = 1 : 10

So, the solution prepared will have a volume of = $\frac{10}{1}\times 1000=100mL$

To calculate the molarity of the diluted solution, we use the equation:

$M_1V_1=M_2V_2$

where,

$M_1\text{ and }V_1$ are the molarity and volume of the concentrated NaCl solution

$M_2\text{ and }V_2$ are the molarity and volume of diluted NaCl solution

We are given:

$M_1=2.5M\\V_1=10mL\\M_2=?M\\V_2=100mL$

Putting values in above equation, we get:

$2.5\times 10=M_2\times 100\\\\M_2=\frac{2.5\times 10}{100}=0.25M$

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3 years ago

What inorganic molecule is carbon normally found in?

DiKsa [7]

It’s CO2

Carbon dioxide

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3 years ago

Brainliest.....If you give me a random answer you will be reported.... Also you will lose any chance to obtain a brainlest from

Georgia [21]

Answer:

im pretty sure its b

Explanation:

im sorry if im wrong i tried my best

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3 years ago

Read 2 more answers