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kicyunya [14]
3 years ago
10

What is radium used for

Chemistry
1 answer:
Bas_tet [7]3 years ago
6 0

Answer:

Radium is used to produce Radon  

Explanation:

Radon is a gas used to treat cancer (certain types).

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Your blood contains many dissolved solids. What do you think could be done if you needed to remove the water from a sample of bl
s2008m [1.1K]

Answer:

could the answer be boil the water away?

Explanation:

if the water gets boiled and evaporates, than you are left with the solids

8 0
3 years ago
What is the mass of 8.0 x 10^26 UF6 molecules?
gulaghasi [49]
First, find the number of moles of UF6
Avagadro's number = 6.023 x 10^23

Number of moles = 8.0 x 10^26 / Avagadro's number = 8.0 x 10^26 / 6.023 x 10^23 = 1.328 x 10³ moles

Molecular weight of UF6 = Molecular weight of U (238.02891) + Molecular weight of F6 (6 x 18.9984032) = 238.02891 + 113.9904192 = 352.0193292 g/mol

Therefore mass of 8.0 x 10^26 UF6 molecules = 352.0193292 g/mol x 1.328 x 10³ moles = 467.481669 x 10³ grams




3 0
3 years ago
Which question would most likely be studied by a chemist?
lbvjy [14]

Answer:

fd

Explanation:

fff

3 0
3 years ago
Why is the composition of the vapor different from the composition of the solution?
BaLLatris [955]
If there is solution with nonvolatile solute (<span>substance that does not readily </span>evaporate<span> into a </span>gas) <span>only the pure vapor of the solvent is present above the solution and solute stays in solution and do not enters vapor above solution. This is because nonvolatile solute has slow rate of evaporation and low vapore pressure.
If solution has two volatile components, composition of the vapor depends on vapor pressures of the components according </span><span>Raoult's Law.</span>
8 0
3 years ago
- Which of the following is an example of physical change?
dalvyx [7]
B as the glass just changes form as it shattered but the chemical composition is same as it was before
5 0
3 years ago
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