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pav-90 [236]
3 years ago
6

Is solid sodium + liquid water to dissolved hydroxide + gaseous hydroxide a single replacement reaction

Chemistry
1 answer:
saul85 [17]3 years ago
5 0
2Na + 2H20 ----> 2NaOH + H2
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The reaction is found to be first order in IO3−, first order in SO32−, and first order in H+. If [IO3−]=x, [SO32−]=y, and [H+]=z
ollegr [7]

Answer:

rate = kxyz

Explanation:

It is worth knowing that the rate low can only be determined by experimentation only not by just balancing equations. So here we are told that all the reactants x , y and z are all first order. This is important because we use this as exponents. That is why the exponents of all the reactants will be 1.

rate = kxyz

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2 years ago
If a balloon at 10 oC goes from 30L to 2L, what is the final temperature?
ICE Princess25 [194]
I think its the 3rd one 0.21
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3 years ago
In which of the following is the number of neutrons correctly represented? A. fluorine: atomic number 9, mass 19, neutrons 0 B.
Digiron [165]
D. uranium: atomic number 92, mass 238, neutrons 146

238-92=146
4 0
3 years ago
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Who earned a Nobel Peace Prize for their study of the photoelectric effect?
riadik2000 [5.3K]
ALBERT ENSTIEN !!!!!
5 0
3 years ago
gThe atomic radii of a divalent cation and a monovalent anion are 0.085 nm and 0.125 nm, respectively. (a) Calculate the force o
frozen [14]

Answer:

1.05 × 10⁻⁸ N

Explanation:

Using Coulomb's law

F force of attraction between them = k \frac{q^{2} }{r^{2} } = k \frac{z1z2q^{2} }{r^{2} }

K coulomb constant = 8.99 × 10⁹ N m²C⁻²

Z₁ = + 2 ( valency electron)

Z₂ = -1 ( valency electron)

r is the distance between then since they just touch one another = 0.085 nm + 0.125 nm = 0.21 nm = 0.21 × 10⁻⁹ m

q charge = 1.602 × 10⁻¹⁹ C of an electron

F = ( 2 × 1 × 8.99 × 10⁹ N m²C⁻² × (1.602 × 10⁻¹⁹ C)² / ( 0.21 × 10⁻⁹ m )² = 1046.34 × 10 ⁻¹¹ = 1.05 × 10⁻⁸ N

6 0
3 years ago
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