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LenKa [72]
3 years ago
9

What are the SI units of frequency?

Chemistry
1 answer:
Tomtit [17]3 years ago
7 0
SI unit of frequency is Hertz(Hz)
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Calculate the mass of grams of 14.79ml of a substance. It'd density is 1.193gml
Alisiya [41]
<span>D=m/v

Given:
d=1.193g/ml
v= 14.79ml

Solution
m=dv
m=1.193g/ml x 14.79ml

m= 17.644g

Density is the mass per volume of the material. Basically, it refers to the measurement of how crammed together is the matter. The formula to calculate density is rho = m/v wherein rho is the density, m stands for the mass and v stands for the volume.</span>
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How many moles of hcl are required to neutralize aqueous solutions of these bases? 0.03 mol koh?
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 The  moles  of  HCl    are  required  to  neutralized    aqueous     solution     of  the   0.03  KoH

KOH  +  HCl  =  KCl  +   H2O


by   use  mole  ratio  between  KOH   to   HCl    which  is    1:1    the  moles    Of  HCl  is  also      0.03  moles
5 0
3 years ago
_C4H6O3 + _H2O −−→ _C2H4O2<br><br> A) 1, 1, 2<br> B) 2, 1, 1<br> C) 2, 1, 2<br> D) 2, 2, 1
seraphim [82]

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Lead has a density of 11.34 g/ml where as mercury has a density of 13.6 g/ml. If 1 kg of each were placed in buckets of water wh
Tamiku [17]
The bucket with lead added would replace more water, as it would require more volume to achieve the same mass.
5 0
3 years ago
What is the current in a 160V circuit if the resistance is 5Ω?
oee [108]

Answer:

use v=IR

Explanation:

so, 160=I*5

I = 160/5

=32 ampere

5 0
3 years ago
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