Answer:
celulares por que tienen una fuente de energiq
Mixtures:
physically combined
components retain properties
compounds:
chemically combined
components change properties
both:
made of elements
variable proportions
fixed properties
2 or more compounds
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Answer:
D. If the distance between the crests of the waves increase, the frequency decreases.
Explanation:
Wavelength is the distance between two successive crests and troughs while frequency is the number of complete cycle per seconds
Velocity = Frequency × wavelength
Frequency and wavelength are inversely proportion
Answer:
the new pressure is 2.09 atm
Explanation:
you have to use gay lussac's law so the formula is
p1/t1 = p2/t2
and convert C to Kelvin k=C+273.15
1.72atm/294.15 = p2/358.15
solve for p2 by multiplying 358.15 on both sides
p2=2.09 atm
The alkali earth metals have two valence electrons.
Hope this helps! :)
