Paints consist of pigments, solvents, and binders. Once the paint has been applied and has dried, the pigments are still able to be determined and matched to other samples.
Manufacturers apply a variety of coatings to the body of an automobile, which adds significant diversity to automobile paint. This diversity makes it easier of the forensic scientist to compare different paint samples.
When paint specimens possess colored layers that match with respect to number and sequence of colors, the examiner can begin to think confidently in terms of relating the paints to a common origin.
The shortcoming of analysis of paint layer structures is the most paint specimens presented to the criminalist do not have layer structure sufficiently complex to allow individualization to a single source.
Therefore, Paints consist of pigments, solvents, and binders. Once the paint has been applied and has dried, the pigments are still able to be determined and matched to other samples.
Learn more Paints, here:
#SPJ3
b. Energy flows from the surroundings to the ice.
c. Water molecules lose energy.
d. The temperature of the ice increases as it melts
The number of atoms in the 6 grams of carbon is equal to 1.506 × 10²³.
The Avogadro number is the proportionality factor which is the number of particles such as atoms, molecules, or ions in one mole of a substance.
Avogadro's number possesses a numeric value of 6.022 × 10²³ reciprocal moles. Avogadro's constant is named by Stanislao Cannizzaro after the scientist Amedeo Avogadro.
Given, the mass of the carbon in sample = 6 g
The number of atoms of one mole of carbon = 6.022 × 10²³
The atomic mass of one mole of carbon = 12 g
It means 12 g of the carbon has atoms = 6.022 × 10²³ carbon atoms
Then 6 grams of carbon will have atoms = (6/12) × 6.022 × 10²³
= 3.011 × 10²³ carbon atoms
Therefore, the atoms of carbon in 6 g of sample of carbon are 3.011 × 10²³ atoms.
Learn more about Avogadro's number, here:
#SPJ2
B)absorbs harmful radiation.
C)helps clouds form.
D)causes rain to fall.
2.
A. a
B. b
C. c
D. d
Answer:
B
Explanation:
Ozone in the Earth's atmosphere is crucial because it absorbs most of the sun's harmful UV radiation, protecting living beings from potential health risks. The correct answer is option B.
The ozone in Earth's atmosphere is primarily important because it absorbs harmful radiation. More specifically, it absorbs the majority of the sun's ultraviolet (UV) radiation, which can cause a variety of health issues like skin cancer and cataracts in humans and can also be detrimental to certain types of plant and marine life. Without the protective layer of ozone, these harmful UV rays would reach Earth's surface in much larger amounts.
#SPJ6