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notsponge [240]
3 years ago
13

Which of the following is a property of metals?

Chemistry
1 answer:
bezimeni [28]3 years ago
5 0
I don’t know if ur Answer is correct you have a lot of O. But the answer would be : They are shiny and bend without breaking.
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Draw both major organic product(s) that are obtained when 4-chloro-2-methyltoluene is treated with sodium amide followed by trea
victus00 [196]

Answer:

I attached the answer as an image. I also drew in the two most acidic hydrogens.

Explanation:

This goes through the 'benzyne' intermediate, meaning it does an E2-looking reaction by expelling a leaving group (chloride) from the adjacent part of the ring using the amide as a strong base. The triple-bonded benzyne has absurd bond angle strain, and is vulnerable to a good nucleophile like an amide ion, and the resultant sp2 anion is then reprotonated by the acid. I didn't draw in the acid-base reaction in step one, or the spectator ion (sodium).

5 0
3 years ago
Which one of the following will change the value of an equilibrium constant?
Ad libitum [116K]

Answer:

(E) changing temperature

Explanation:

Consider the following reversible balanced reaction:

aA+bB⇋cC+dD

If we know the molar concentrations of each of the reaction species, we can find the value of Kc using the relationship:

Kc = ([C]^c * [D]^d) / ([A]^a * [B]^b)

where:

[C] and [D] are the concentrations of the products in the equilibrium; [A] and [B] reagent concentrations in equilibrium; already; b; c and d are the stoichiometric coefficients of the balanced equation. Concentrations are commonly expressed in molarity, which has units of moles / 1

There are some important things to remember when calculating Kc:

-  <em>Kc is a constant for a specific reaction at a specific temperature</em>. If you change the reaction temperature, then Kc also changes

- Pure solids and liquids, including solvents, are not considered for equilibrium expression.

- The reaction must be balanced with the written coefficients as the minimum possible integer value in order to obtain the correct value of Kc

8 0
4 years ago
What is the difference between thermal energy and temperature?
igor_vitrenko [27]
The hotter an object is, the faster the motion of the molecules inside it. Thus, the heat of an object is the total energy of all the molecular motion inside that object. Temperature, on the other hand, is a measure of the average heat or thermal energy of the molecules in a substance.
7 0
3 years ago
This rock should be classified as
garri49 [273]
B an extrusive igneous rock
4 0
3 years ago
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What is the overall order of reaction for this rate law: Rate = k ? zero first second third
DENIUS [597]

The overall order of a reaction is directly related to the reaction mechanism of the reaction. The reaction mechanism is defined by the reaction rate equation. In this case, we are given by the equation, Rate=k. The order of this reaction is zero since the rate is not dependent on the concentration of reactants or products. 

3 0
3 years ago
Read 2 more answers
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