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weqwewe [10]
3 years ago
9

What screening is used to test for lung disease

Chemistry
2 answers:
tamaranim1 [39]3 years ago
3 0
Screening is used to find signs of diseases early.
s2008m [1.1K]3 years ago
3 0
Low-dose computed tomography (also called a low-dose CT scan, or LDCT). In this test, an X-ray machine scans the body and uses low doses of radiation to make detailed pictures of the lungs.
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Which of the following is an indicator of a chemical reaction?
yuradex [85]

Answer:

B

Explanation:

B is the best showing of a chemical reaction out of the choices

3 0
2 years ago
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In the unbalanced equation given below, what is the element that is gaining electrons?
viktelen [127]

Hey there!:

HCl + MnO2 → MnCl2 + H2O + Cl2

* in HCl the oxidation state of Cl is -1 .

* on the product side the oxidation state is 0 .

* therefore Cl gains electrons .

* in  MnO2 the oxidation state of Mn is +4

* in MnCl2 the oxidation state of Mn is +2

Therefore Mn loses electrons

Answer A

Hope That helps!

4 0
2 years ago
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How can bonding determine the properties of a substance?
levacccp [35]

Answer:

Chemical bonds are the electrical forces of attraction that hold atoms or ions together to form molecules. Different types of chemical bonds and their varying intensity are directly responsible for some of the physical properties of minerals such as hardness, melting and boiling points, solubility, and conductivity.

Explanation:

4 0
3 years ago
Some countries are considering putting something in explosive materials to help track where they came from. What tool would you
cestrela7 [59]

Answer:

The answer would be A: satellite and GPS system

Explanation:

This is the answer because you can track someone using the GPS system or you can detect heat on a satelite

7 0
3 years ago
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When water breaks apart an ionic compound into cations and anions:
liq [111]
Answer:
Dissociation

Explanation:
The molecule of water is polar. This means that the hydrogen has a partial positive charge while the oxygen has a partial negative charge.
Ionic compounds have equal number of positive and negative charges.
When these compounds are placed in water, the partial positive hydrogen starts to attract the negative ion of the ionic compound while the partial negative oxygen starts to attract the positive ion of the ionic compound.

This process is called dissociation and leads to the breaking of ionic compound into cations and anions in water.

Hope this helps :)
6 0
3 years ago
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