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bonufazy [111]
3 years ago
6

Which one is correct for #4 ??

Chemistry
2 answers:
Ratling [72]3 years ago
5 0

Answer:

The answer of this question is A

IgorLugansk [536]3 years ago
3 0

Answer: B is the right

Explanation:

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5
andriy [413]

Answer:

reaction 1 and reaction 4 both are decomposition reactions

while reaction 2 is double displacement reaction and reaction 3 and 5 are combination reactions

5 0
3 years ago
What is kinetic energy of a 100 kg object that is moving with a speed of 15 m/s
elena-s [515]

Answer:

16875 Joules

Kg m^2 s^-2 = Joule ,so The kinetic energy of a body of mass 150 Kg moving at 15m/s is 16875 Joules.

Explanation:

6 0
3 years ago
Which statement is correct about the reaction that occurs between copper and aqueous silver nitrate?
svetlana [45]

Answer:

It is a single replacement reaction because copper replaces silver within a compound as copper is higher than silver in the activity series.

Explanation:

A single replacement reaction occurs between an element and a compound, therefore since copper is an element and sliver nitrate is compound, it is single replacement. This reaction occurs because copper is higher in the activity series then silver.

5 0
3 years ago
Read 2 more answers
when this chemical equation is correctly balanced what is the coefficient of the nal molecule I2+Na2S2O3+Nal+Na2S4O6
Kitty [74]
I₂ + 2Na₂S₂O₃ → 2NaI + Na₂S₄O₆

k(NaI)=2
4 0
3 years ago
Which reaction is an example of heterogeneous catalysis?
lesya692 [45]

Answer:

Explanation:

Industrial examples

Process Reactants, Product(s)

Ammonia synthesis (Haber–Bosch process) N2 + H2, NH3

Nitric acid synthesis (Ostwald process) NH3 + O2, HNO3

Hydrogen production by Steam reforming CH4 + H2O, H2 + CO2

Ethylene oxide synthesis C2H4 + O2, C2H4O

5 0
3 years ago
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