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denis23 [38]
3 years ago
6

The state of matter that has molecules with the least random molecular arrangement:

Chemistry
1 answer:
Ksenya-84 [330]3 years ago
5 0
Gas. Molecules in gas are able to move and vibrate around each other more freely than the molecules in liquids and/or solids due to the great amount of space in between them. Hope this helps! :)
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10. (a) Describe how the structure of an alloy is different to a pure metal
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5.For each of the following, give the name of an element from Period 4 (potassium to krypton), which matches the description.
Elements may be used once, more than once or not all.. Single line text.
(1 Point)
an element with a fixed valency of 2 that not is not in group 2

Help
4 0
3 years ago
A plot of 1/[BrO-] vs. time is linear and the slope is equal to 0.056 M-1s-1. If the initial concentration of BrO- is 0.65 M, ho
finlep [7]

Answer:

time taken for one-half of the BrO⁻ ion to react is t= 27.45 secs

Explanation:

equation of reaction

3BrO⁻(aq) → BrO₃⁻(aq) + 2Br⁻(aq) (second order reaction)

given

the slope of the graph is 0.056M⁻¹s⁻¹ = k(constant)

initial concentration [A]₀ = 0.65M

for second order reaction,we can calculate the time taken for one-half of the BrO- ion to react using:

\frac{1}{[A]} =\frac{1}{[A]}₀ ⁺ k × t

where initial concentration [A]₀ = 0.65M

[A] = [A]₀÷2 = 0.325M

\frac{1}{0.325M} = \frac{1}{0.65M} + 0.056M⁻¹s⁻¹ × t

3.077= 1.54 + 0.056t

3.077-1.54=0.056t

1.537=0.056t

t= 27.45 secs

4 0
3 years ago
Help please stuck and confused
Alecsey [184]
I’m pretty sure it’s none of the above cause I’m googling it a bunch and and it say you use the dideoxy method
7 0
3 years ago
What is the mass number of an ion with 106 electrons, 157 neutrons, and a +1 charge?
il63 [147K]

Answer:

264 g/mol

Explanation:

#electrons equal #protons = 106

Plus 1 charge => m protons = 106 + 1 = 107

Mass number: 107 + 157 = 264 g/mol

5 0
3 years ago
Write the skeleton equation for the reaction between hydrogen and oxygen that produces water
algol13

2H2 + O2 -> 2H2O.

BALANCED SKELETON EQUATION

6 0
3 years ago
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