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BartSMP [9]
3 years ago
14

Which best represents the law of conservation of mass?

Chemistry
1 answer:
svp [43]3 years ago
4 0
States that mass is an isolated system is neither created nor destroyed by chemical reactions or physical transformations
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While hiking in Costa Rica, Bert discovers a new species of arthropod. Which characteristics should he look at to determine in w
alex41 [277]

Answer:

Characteristics outlined below

Explanation:

Anthropods, though they generally possess exoskeleton, segmented bodies and joint appendages, are divided into four (4) groups:

  • <em>Tracheata</em> (breath through channels in their bodies. E.g. insects)
  • Chelicerata (More than four legs, one pir of chelicerae i.e. claw or pincer. E.g. Scorpions and spiders)
  • <em>Crustaceans</em> (Have a large rigid exoskeletal, without a circulatory system. E.g. Shrimps, crabs)
  • <em>Trilobite</em> (extinct three-headed/lobed marine species)
6 0
3 years ago
A balance chemical reaction obeys the law of
S_A_V [24]
A balanced chemical reaction obeys the law of conservation of mass, because the same number of atoms of each element must appear on both sides of the equation for the reaction … , and in any actual reaction, the same exact atoms will be found on both sides of the equation.
6 0
3 years ago
Read 2 more answers
Each of the given statements describes a type of column chromatography. Match the statements to the type of chromatography they
vlada-n [284]

Answer:

The proper matching is given below.

Explanation:

a Separate molecules by size    size exclusion chromatography

b Separate molecules by charge Ion exchange chromatography

c The stationary phase has a covalently bound group to which a protein in the mobile phase can bind.                  Affinity chromatography

d uses mobile phase and stationary phase to separate protein Size exclusion chromatography

e The stationary phase contain  cross linked polymers with different pore size

                                                                  Size exclusion chromatography

f can separate molecules based on protein ligand binding   Affinity chromatography

g The stationary phase may contain negatively or positively charged groups

  ion exchange chromatography            

6 0
3 years ago
3. What are vaccines? Are there different types?​
Inga [223]

Answer:Four types of vaccines are currently available: Live virus vaccines use the weakened (attenuated) form of the virus. The measles, mumps, and rubella (MMR) vaccine and the varicella (chickenpox) vaccine are examples

4 0
4 years ago
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Which element would be the most conductive and
Masja [62]
Malleability described the property of physical deformation under some compressive stress; a malleable material could, for example, be hammered into thin sheets. Malleability is generally a property of metallic elements: The atoms of elemental metals in the solid state are held together by a sea of indistinguishable, delocalized electrons. This also partially accounts for the generally high electrical and thermal conductivity of metals.

In any case, only one of the elements listed here is a metal, and that’s copper. Moreover, the other elements (hydrogen, neon, and nitrogen) are gases under standard conditions, and so their malleability wouldn’t even be a sensible consideration.
8 0
3 years ago
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