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-Dominant- [34]
3 years ago
15

I need help on this question

Chemistry
1 answer:
kumpel [21]3 years ago
8 0
A!!!!!!!!!!!!!!!!!!!!!!
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Having energy in the reactant lead to an exothermic reaction.<br>true<br>false​
Ostrovityanka [42]

Answer:

false

Explanation:

first of all;-energy lead to an indotermic reaction.

indotermic is a reaction that absorbs energy \

*it has positive enthalpy of reaction

*Heat content of product is greater than that of reactant

*Heat is added to reactant side

example;- CO^2+2H^2+891kj --------- CH4 +2O2

6 0
3 years ago
What is most likely the ph of a solution containing many hydroxide ions (oh-) and few hydrogen ions (h )?
SIZIF [17.4K]
PH of solution will be greater than seven (pH>7), that means that solution is basic (<span>pH above </span>7<span> is a base, the higher the number, the stronger is the base).
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5 0
3 years ago
I need serious help​
vitfil [10]

Answer:

with what may I ask?

Explanation:

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7 0
3 years ago
Read 2 more answers
The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V:Zn (s) + (aq) ? (aq) + (g
gladu [14]
I can’t see any this what the question
8 0
4 years ago
Help!!!
kupik [55]

Answer:

1. 0.82 gram of Ag+

2. 4.79 g of Ag₂O₃S

Explanation:

From the given information:

Total amount of Ag₂O₃S = 2.24 grams

Atomic mass of Ag+ =107.86 g/mole

molar mass of Ag₂O₃S = 295.8  g/mole

∴

The mass of the Silver (Ag) in grams is:

= Total\ amount \ of \ Ag^+ \times \dfrac{107.86 \ g/mol}{295.8 \ g/mol}

=2.24 \times \dfrac{107.86 \ g/mol}{295.8 \ g/mol}

= 0.82 gram of Ag+

2.

Here, the total amount of Ag₂O₃S = unknown

Atomic mass of Ag+ = 107.86 g/mole

molar mass of Ag₂O₃S = 295.8 g/mole

amount of Ag+  = 1.75 g

∴

The mass of Ag₂O₃S = Total \ amount \ of \ Ag^+ \times \dfrac{295.8 \ g/mol}{107.86\ g/mol}

=1.75  \times  \dfrac{295.8 \ g/mol}{107.86\ g/mol}

= 4.79 g of Ag₂O₃S

4 0
3 years ago
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