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anyanavicka [17]
2 years ago
13

Tres diferencias entre los líquidos y los sólidos

Chemistry
1 answer:
antiseptic1488 [7]2 years ago
7 0

Answer: Density, Volume, Shape

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How was the periodic table arranged
Andrews [41]
The elements on the periodic table are arranged in order, by increasing atomic number.<span />
5 0
3 years ago
Read 2 more answers
All of the following are true concerning enzymes, except that they:
suter [353]

Answer:

D (or E If properly listed to include the active site option)

Explanation:

A. Is true

Enzymes are organically biochemical catalyst and thus they can speed up the rate of chemical reaction in the body

B is true

They are catalysts as said earlier

C is true

They have active sites. An enzyme does not act on all substrates. They have particular group on which they can act. For example, we have carbohydrates enzymes that act on carbohydrates substrate only. This enzymes have no business acting on a protein substrate.

D. Enzymes are proteins

One of the important characteristics of enzymes is that they are protenious in nature

E. This is wrong. Enzymes like any over catalyst are not consumed in the course of the biochemical reaction

8 0
3 years ago
Show the curved-arrow mechanism for the Claisen condensation of ethyl ethanoate treated with ethoxide ion. Include all formal ch
Anna [14]

Answer:

See explaination

Explanation:

Please kindly check out the attached files for the curved-arrow mechanism for the Claisen condensation of ethyl ethanoate treated with ethoxide ion.

4 0
2 years ago
Given a piece of metal with a mass of 112 grams and a volume of 24 cubic centimeters (cm3), what is its density? Use the correct
Daniel [21]
Mass/ volume 
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4.6666 
8 0
2 years ago
1. With the aid of a Hess cycle, determine the enthalpy of the decomposition reaction of sodium nitrate, NaNO3 to sodium nitrite
lakkis [162]

Answer:

Explanation:

2NaNO₃ = 2NaNO₂ + O₂

NaNO₃    =     NaNO₂   +    1/2 O₂

- 468 kJ           -369 kJ           0  kJ

enthalpy of decomposition reaction

= - 369 - ( - 468 ) kJ

= 99 kJ / mol .      

5 0
3 years ago
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