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Pepsi [2]
3 years ago
6

Which type of reaction has the general formula of AB+CD -> AD+CB ?

Chemistry
1 answer:
ruslelena [56]3 years ago
7 0
<span>Double displacement reaction is your answer.</span>
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Ow many coulombs of charge are needed to produce 35.2 mol of solid zinc?
Natasha2012 [34]
<span>Answer: Zn(2+) + 2e(-) -------> Zn 1 mole of Zn is deposited by 2F of electricity ... so 48.9 mole of Zn will be deposited by 48.9 X 2F = 97.8 F of electricity... as 1F = 96500 C so 97.8 F = 97.8 X 96500 = 9437700 C of electricity...</span>
8 0
3 years ago
Read 2 more answers
Write the acid-base reaction that occurs when an aqueous solution of HCl is added to an aqueous solution of NaOH. (Use the lowes
Sloan [31]
H3O+(aq) + OH-(aq) --> 2H2O (l)

NaHCO3(s) --> NaH 2+ (aq) + CO3 2- (aq)

NaH 2+ (aq) + H2O (l) --> Na+ (aq) + H3O+ (aq)

H2O (l) + CO3 2- (aq) --> OH- (aq) + HCO3- (aq)

(I'm not completely sure if I did the third question right) I'm sorry if I got it wrong
4 0
2 years ago
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Wine goes bad soon after opening because the ethanol ch3ch2oh in it reacts with oxygen gas o2 from the air to form water h2o and
lilavasa [31]
The balanced chemical equation of the reaction described above is,

                            C2H6O + O2 --> H2O  + C2H4O2

If we have 3.84 g of oxygen, we divide by its molar mass.
 
                               n = (3.54 g Oxygen gas) x (1 mole O2/ 32 g O2)
                                 n = 0.11 moles O2

Using ratio and proportion,

               number of moles of ethanol = (0.11 moles O2) x (1 mole C2H6)
                                                  = 0.11 moles C2H6

Then, we multiply the calculated value to its molar mass, 46 grams /mol.
                    mass of ethanol = (0.11 mol) x (46 grams / mol)
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8 0
2 years ago
Which is a potential benefit of genetic engineering in agriculture? higher levels of toxins disruption of other genes increased
MrMuchimi

Answer:

increase in the size of fruits and vegetables

8 0
3 years ago
The specific heat capacity of a pure substance can be found by dividing the heat needed to change the temperature of a sample of
kupik [55]

Answer:

See below

Explanation:

ΔQ = m c T        ΔQ = heat required(J)    m = mass (g)    T = C° temp change

                             c = heat capacity in J/g-C

4 0
2 years ago
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