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VashaNatasha [74]
3 years ago
15

A benefit of using nuclear energy could be the abundance of uranium in nature. Which human risk about mining is the most importa

nt to consider?
the use of a nonrenewable resource
the location of storage of the radioactive waste
the cost of setting up a uranium mine operation
the health hazards that are associated with uranium mining
Chemistry
2 answers:
Murrr4er [49]3 years ago
5 0
The health hazards because it is asking which human risk is the most important to consider.
lina2011 [118]3 years ago
4 0

Answer:

the health hazards that are associated with uranium mining

Explanation:

Uranium mining is extremely hazardous to human health. Uranium is highly radioactive so are its decay product such as radon. Inhalation of uranium decay products causes lung cancer. Gamma radiation from uranium mining also exposes the miners to other forms of cancer. Today international safety regulations are applied at uranium mines.

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What properties of metals are explained by its mobile electrons? Strength, malleability, ductility, heat conduction, current con
earnstyle [38]

Due to the presence of mobile or moving electrons in an atom they are good conductor of heat and electricity. Thus, the heat conduction and current conduction properties of metals are explained by its mobile electrons.

The other mentioned properties of metal are strength which can be explained by type of bonding within the metals, malleability explains the tendency of metals to be flattened into thin sheets, ductility explains the tendency to be stretched into wires, luster means the surface of metal is shiny and opacity is measure of impermeability that is to what extent they can pass light through them, metals are opaque, can not pass light through them or they are not transparent . All these properties are not because of mobile electrons in metals.

Therefore, correct properties are heat conduction and current conduction.


8 0
3 years ago
Read 2 more answers
An Apple iPhone has a mass of 112 g. What is its weight in ounces? (Given: 1 lb = 454 g; 1 lb = 16 oz)
soldi70 [24.7K]

Answer:

3.95 ounce

please mark as brainliest

Explanation:

6 0
3 years ago
What best describes the bonding in a carbon dioxide molecule?
gogolik [260]

Answer:

B. Carbon shares 2 pair of electrons with each oxygen.

Explanation:

  • Carbon dioxide is formed from combustion reactions, which involves a reaction between carbon and oxygen gas.
  • Carbon dioxide molecule is formed from one carbon atom and two oxygens. As an element, carbon only has 4 outer shell electrons and oxygen 6.
  • The two atoms require to gain electrons to achieve a stable configuration; carbon require to gain four electrons and oxygen requires two electrons.
  • Double covalent bonds form between the atoms, where two electrons from each atom are shared making 4 bonding electrons in total.

Hope it helped!

6 0
3 years ago
What is matter in chemistry
mixas84 [53]
Matter in chemistry is the weight/mass of something
8 0
4 years ago
a compound containing only carbon and hydrogen produces 1.80 gCO2 and 0.738 gH2O. Find the empirical formula of the compound. Ex
r-ruslan [8.4K]

Answer:

The empirical formula is CH2

Explanation:

Step 1: Data given

Mass of CO2 produced = 1.80 grams

Mass of H2O produced = 0.738 grams

Step 2: The balanced equation

CxHy + O2 → CO2 + H2O

Step 3: Calculate moles CO2

Moles CO2 = mass CO2 / molar mass CO2

Moles CO2 = 1.80 grams / 44.01 g/mol

Moles CO2 = 0.0409 moles

Step 4: Calculate moles C

In 1 mol CO2 we have 1 mol CO2

In 0.0409 moles CO2 we have 0.0409 mol C

Step 5: Calculate moles H2O

Moles H2O = mass H2O / molar mass H2O

Moles H2O = 0.738 grams / 18.02 g/mol

Moles H2O = 0.04095  moles

Step 6: Calculate moles H

In 1 mol H2O we have 2 moles H

In 0.04095 moles H2O we have 2*0.04095 = 0.0819 moles H

Step 7: Calculate the mol ratio

We divide by the smallest amount of moles

C: 0.0409 / 0.0409 = 1

H: 0.0819 moles / 0.0409 =  2

The empirical formula is CH2

4 0
3 years ago
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