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Liula [17]
3 years ago
7

When the concentration of hydronium ions equals the concentration of hydroxide ions, it is called the _____. balence?

Chemistry
1 answer:
GrogVix [38]3 years ago
6 0
The answer is Equivalence point. When the condition of [H+] = [OH-<span>] is reached, this state is called the </span><span>equivalence point.</span>
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If an atom has 3 protons, 3 electrons and 2 neutrons, what is the atom's electrical charge?
babymother [125]
The atoms electrical charge would be 0. As the electrical charge is calculated by taking the number of protons and subtracting it by the number of electrons. In this case the result is 0. (3-3).
5 0
3 years ago
Read 2 more answers
What is the de Broglie wavelength, in cm, of a 11.0-g hummingbird flying at 1.20 x 10^2 mph?
KonstantinChe [14]

Answer:1.123 x 10^-31cm

Explanation:

mass of humming bird=  11.0g

speed= 1.20x10^2mph

but I mile = 1.6m

1km=1000

I mile = 1.6x10^3m

1.20x10^2mph= 1.6x10^3m /1mile x at 1.20 x 10^2

=1.932 x10^5m

recall that  

1 hr= 60 min

1 min=60 secs, 1hr=3600s

Speed = distance/ time

=1.932 x10^5 / 3600= 5.366 x 10 ^1 m/s

m= a 11.0g= 11.0 x 10^-3kg

h=6.626*10^-34 (kg*m^2)/s

Wavelength = h/mu

= 6.626*10^-34/(11 x 10^-3 x 5.366x 10^1)

6.63x10^-34/ 590.26x 10 ^-3= 1.123 x10^-33m

but 1m = 100cm

1.123 x 10 ^-33 x 100 = 1.123 x 10^-31cm

de broglie wavelength of humming bird = 1.123 x 10 ^-31cm

5 0
3 years ago
The density of aluminum is 2.70 g/cm'. If the volume of a piece of aluminum is 90.4 cm', what is
weeeeeb [17]

Answer:

33.4814814815

Explanation:

90.4/2.70

6 0
3 years ago
1. Ethers show :
tatuchka [14]

Answer:

1.(a

2.(d

3.b

Explanation:

3 0
3 years ago
Can magnesium sulphate be used for water coagulation
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Yes it can cause you put epsom salt in a bath and theirs magnesium in that and it’s good for your body and takes fat from your body
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