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gtnhenbr [62]
3 years ago
10

Which one is the largest and which one is the smallest

Chemistry
1 answer:
vlabodo [156]3 years ago
3 0

I think the easiest way to approach this at first if you don't really work with scientific notation a lot is to convert first

so the options would look like this

A 5/.01

B 6.0/1000

C 2.4/1000000

D .31

largest to smallest A, D, B, C

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Laura has 3 beakers. Each contain 200cm3 of colourless liquid. Describe how Laura could determine which beakers contain pure wat
vova2212 [387]

Answer:

Laura can look for a transparent and  translucent liquid and hence determine which beaker has water and which has solution

Explanation:

Pure water is a compound that is transparent in color. However, a solution is a liquid mixture comprising of a solvent or a solute. The atoms of solute occupy space between the atoms of solvent and hence are said to dissolve in it. Water can be a solvent.  

Thus, if the beaker has a transparent liquid in it, then it would be pure water while a beaker having a translucent liquid, then it would be a solution  

6 0
3 years ago
What is the average rate of formation of i2? express your answer to three decimal places and include the appropriate units. view
Klio2033 [76]
Missing question:
Chemical reaction: H₂ <span>+ 2ICl → 2HCl + I</span>₂.
t₁ = 5 s.
t₂ = 15 s.
c₁ = 1,11 M = 1,11 mol/L.
c₂ = 1,83 mol/L.
rate of formation = Δc ÷ Δt.
rate of formation = (c₂ - c₁) ÷ (t₂ - t₁).
rate of formation = (1,83 mol/L - 1,11 mol/L) ÷ (15 s - 5 s).
rate of formation = 0,72 mol/L ÷ 10 s.
rate of formation = 0,072 mol/L·s.
3 0
3 years ago
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types?
Rufina [12.5K]
- C2H4 + H20 --> C2H5O

- <span>C3H8 + Cl2--> C3H7Cl +HCl

- </span><span>C2H2+Br2 --> C2H2Br2</span>

- C4H10+Br2 --> C4H10+HBr

-  <span>C3H6 + BR2 --</span>> C3H6BR2




8 0
3 years ago
The formation of tert-butanol is described by the following chemical equation: Suppose a two-step mechanism is proposed for this
const2013 [10]

Answer:

(CH3)3C^+ + OH^-  --------> (CH3)3COH

Explanation:

This reaction has to do with SN1 reaction of alkyl halides. Here tert-butanol is formed from tert-butyl bromide.

The first step in the reaction is the formation of a carbocation. This is a unimolecular reaction. The rate of reaction depends on the concentration of the alkyl halide. This is a slow step and thus the rate determining step in the mechanism.

(CH3)3CBr -------> (CH3)3C^+ + Br^-

The second step is a fast step and it completes the reaction mechanism. It is a bimolecular reaction as follows;

(CH3)3C^+ + OH^-  --------> (CH3)3COH

5 0
2 years ago
What process coverts hydrogen to helium to create energy in the sun?
12345 [234]
Thermonuclear fusion
6 0
3 years ago
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