1.List one extensive and one intensive property of marker ink.
Intensive property is a property that is independent of the amount of sample such as the color of the ink. Extensive property is the opposite which is dependent to the amount such as volume.
2.Define mixture.
Mixture is a system that contains two or more substances which are agitated but not chemically bonded.
3.Is tap water a heterogeneous or homogenous mixture?
Tap water is a homogenoeus mixture because it has uniform properties in every sample you get.
4.Is isopropyl alcohol (rubbing alcohol) a heterogeneous or homogenous mixture?
I think the rubbing alcohol is a homogeneous mixture since it has uniform properties as well.
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Calculate: Punnett squares can be used to predict probable outcomes of genetic crosses. To calculate probability, divide the number of one kind of possible outcome by the total number of all possible outcomes. For example, if you toss a coin, the chance it will land on heads is equal to 1 ÷ 2.
Answer:
8 neutrons and 6 electrons
Explanation:
Mass number= neutrons + protons
14=x+6
x=14-6
x=8
protons=electrons
6 protons=6 electrons
Answer:
λ = 0.85×10³⁰ m
Explanation:
Wavelength of radiation = ?
Frequency of radiation = 3.52×10⁻²² Hz
Solution:
Formula:
c = f × λ
c = speed of wave = 3×10⁸ m/s
by putting values,
3×10⁸ m/s = 3.52×10⁻²² Hz × λ
λ = 3×10⁸ m/s / 3.52×10⁻²² s⁻¹
λ = 0.85×10³⁰ m
All inside and out in the human body