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ruslelena [56]
4 years ago
7

Each side of a cube is 42.6mm long. what is the volume of the cube in cm cubed

Chemistry
1 answer:
GarryVolchara [31]4 years ago
3 0
77308.78 is the answer 
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(07.01 MC)
Mrrafil [7]

Answer:

the activation energy is 65-30

35

3 0
3 years ago
The reaction of ethyl acetate with sodium hydroxide, CH3COOC2H5(aq)+NaOH(aq)⇌CH3COONa(aq)+C2H5OH(aq) is first order in CH3COOC2H
Ne4ueva [31]

Answer:

so the reaction rate increases by a factor 6.

Explanation:

For the given equation the reaction is first order with respect to both ester and sodium hydroxide

So we can say that the rate law is

Rate(initial)=K[NaOH][CH_{3}COOC_{2}H_{5}]

now as per given conditions the concentration of ester is increased by half it means that the new concentration is 1.5 times of old concentration

The concentration of NaOH is quadrupled means the new concentration is 4 times of old concentration.

The new rate law is

Rate(final)=K[1.5XNaOH][4XCH_{3}COOC_{2}H_{5}]

the final rate = 6 X initial rate

so the reaction rate increases by a factor 6.

7 0
4 years ago
When looking at the equilibrium between silver bromide and its aqueous ions, what could be added to solution to promote precipit
jeka57 [31]

Answer:

NaBr

Explanation:

When AgBr is dissolved in water, the following equilibrium is set up in solution;

AgBr(s)⇄Ag^+(aq) + Br^- (aq)

If we dissolve NaBr in the water, a common ion (Br^-) is now introduced into the system. This increases the concentration of Br^- and favours the reverse reaction hence more AgBr is precipitated. This is known as common ion effect.

5 0
4 years ago
What will be the volume of a balloon at 98.0 kPa if its volume is 9.65L at 235 kPa?
givi [52]

Answer:

23.14 L

Explanation:

P1(V1)=P2(V2)

98kPa(v1)=(235kPa)(9.65L)

V1=23.14 L

5 0
3 years ago
When combined with alcohol some over the counter drugs can:
Marianna [84]

Can cause a chemacal reaction

can i have brainliest i need it

7 0
3 years ago
Read 2 more answers
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