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jek_recluse [69]
3 years ago
6

1 2 3 4 5 6 7 8 9 10

Chemistry
2 answers:
Zina [86]3 years ago
8 0
The answer is they use and make atp 
noname [10]3 years ago
3 0
Both processes use and make ATP
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Oxygen has 6 valence electrons. How many electrons does an atom of oxygen need to become stable?
SOVA2 [1]

Answer:

Two electrons

Explanation:

According to the octet rule, atoms must bond to each other, sharing electrons among themselves in an attempt to complete their valence shell (last layer of the electrosphere). In other words, an atom becomes stable when it has 8 electrons in its valence shell.

Oxygen atoms have six electrons in their valence shell, so to achieve the stability suggested by the octet rule (eight electrons), these atoms share two electrons, forming one oxygen gas (O₂) molecule.

8 0
4 years ago
Read 2 more answers
Need some help please?
VladimirAG [237]
26. B. 28. B. 20. A.
4 0
2 years ago
Write balanced equations for the reaction of each of the following carboxylic acids with NaOH. Part A formic acid Express your a
Yuliya22 [10]

Answer:

Part A

HCOOH(aq) + NaOH(aq) → HCOONa(aq) + H2O(l)

Part B

ClCH2CH2CO2H(aq) + NaOH(aq) ------> ClCH2CH2CO2Na(aq) + H2O(l)

Explanation:

The reaction between an alkanoic acid and a base is a neutralization reaction. The reaction occurs as follows;

RCOOH + NaOH ----> RCOONa + H2O

We have to note the fact that the net ionic reaction still remains;

H^+(aq) + OH^-(aq) ---> H2O(l)

In both cases, the reaction can occur and they actually do occur as written.

4 0
3 years ago
For the reaction ag2s(s) ⇌ 2 ag+ (aq) + s2- (aq), keq = 2.4 × 10-4 and the equilibrium concentration of silver ion is [ag+] = 2.
Juliette [100K]

Answer : The concentration of silver ion is, 3.8\times 10^{-3}M

Explanation :

Equilibrium constant : It is defined as the equilibrium constant. It is defined as the ratio of concentration of products to the concentration of reactants.

The equilibrium expression for the reaction is determined by multiplying the concentrations of products and divided by the concentrations of the reactants and each concentration is raised to the power that is equal to the coefficient in the balanced reaction.

As we know that the concentrations of pure solids and liquids are constant that is they do not change. Thus, they are not included in the equilibrium expression.

The given equilibrium reaction is,

Ag_2S(s)\rightleftharpoons 2Ag^+(aq)+S^{2-}(aq)

The expression of K will be,

K_{eq}=[Ag^+]^2[S^{2-}]

2.4\times 10^{-4}=(2.5\times 110^{-1})^2[S^{2-}]

[S^{2-}]=3.8\times 10^{-3}M

Therefore, the concentration of silver ion is, 3.8\times 10^{-3}M

4 0
3 years ago
Read 2 more answers
Based on their activation energies and energy changes and assuming that all collision factors are the same, which of the followi
babymother [125]

b is fastest, having the lowest activation energy (35 kJ) and is an exothermic reaction, releasing energy in the form of heat

c is slowest, having the highest activation energy (55 kJ) and is an endothermic reaction, taking in energy from its surroundings

5 0
3 years ago
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