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NNADVOKAT [17]
1 year ago
11

Using Table 2: Common Radioactive Isotopes, identify the radioisotope that you

Chemistry
1 answer:
TiliK225 [7]1 year ago
3 0

Answer:

Explanation:

Table 2: Common RadioactiveIsotopesUse this table to identify the most likely radioactive material used in theassault.Type ofSourceHalf-lifeRadiationCalifornium-252aIndustrial2.6 years-Used to test luggage for hiddenexplosives-Used to gauge moisture levels of soil fortheconstructionindustryCesium-137,')'Industrial30 years-Used in radio-tracing to identify sources ofsoilerosion anddeposition-Used to determine if oil wells are plugged withsand-Used to measure flow of fluids inpipesMedical-Used in cancertreatmentCobalt-60,')'Industrial5.2 years-Usedto check for cracks inpipesMedical-Used to sterilizeinstrumentsCurium-244aIndustrial18.1 years-Used in mining to analyze the materials dugfrompitsIodine-131,')'Medical8.0 days-Used to diagnose and treat human diseases ofthethyroidPlutonium-239a,yNuclear24,110years-Used as heat source in electricity generatorsonsomespacecraft-Used to buildthermonuclear weaponsPolonium-210a,yIndustrial138 days-Used to reduce static electricityin anindustrialsetting.

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Hydrogen has three isotopes, which include hydrogen, deuterium, and tritium with
Igoryamba

Answer:

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Explanation:

4 0
3 years ago
Does his model correctly show why the properties of the ending substances are different from the properties of the starting subs
topjm [15]

Answer:

Samira's model is incorrect because not all atoms are accounted for

Explanation:

The image of Samira's model has been attached to this answer to enhance the explanation.

What is depicted in that model is rightly regarded as a chemical change. In a chemical change atoms of substances are rearranged as new substances are formed.

However, all atoms in the products must also be found in at least one of the reactants. In this case we have an atom in one of the products that is not accounted for. Hence the model is incorrect.

6 0
2 years ago
Which scientist was a great influence to others when he developed the heliocentric model about how the planets orbited the Sun?
exis [7]
It was'nt until the 16th century that a geometric mathematical model of heliocentric system was presented <span> by a Renaissance mathematician, astronomer, </span><span>Nicolaus Copernicus

</span>Nicolaus Copernicus <span>leading to the Copernican Revolution
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8 0
3 years ago
A flask contains a gas mixture of hydrogen, nitrogen and methane. The total pressure of the mix is 3.0 atm. The partial pressure
ollegr [7]

Answer:

P_{N_2}=1.0atm

Explanation:

Hello,

Considering the Dalton's law which states that the total pressure of a gaseous system is defined by the summation of the the partial pressures of the present gases:

P_T=\Sigma P_i

For the given system:

P_T=P_{H_2}+P_{N_2}+P_{CH_4}

Solving for the partial pressure of nitrogen we obtain:

P_{N_2}=3.0atm-0.5atm-1.5atm=1.0atm

Best regards.

3 0
3 years ago
En las siguientes reacciones identifique cuales sustancias corresponden a ácidos y bases de Arrhenius y cuales a ácidos y bases
ser-zykov [4K]

Answer:

do you have an english version

Explanation:

7 0
3 years ago
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