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Evgesh-ka [11]
3 years ago
11

Why is the process of nuclear fusion important to life on Earth?

Chemistry
1 answer:
GrogVix [38]3 years ago
6 0
Nearly all life on Earth gets its energy from the sun, and the sun gets its energy through the process of nuclear fusion, which is why these type of energy is important to life on Earth.
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Which statement best describes science
erastovalidia [21]

Answer:

Science can answer any and all questions.

Explanation:

I don't know if this is what are you looking for, but I search of and I found this (Sorry for any English mistake).

6 0
3 years ago
Suppose a current of is passed through an electroplating cell with an aqueous solution of agno3 in the cathode compartment for s
WARRIOR [948]

The given question is incomplete. The complete question is:

Suppose a current of 0.920 A is passed through an electroplating cell with an aqueous solution of agno3 in the cathode compartment for 47.0 seconds. Calculate the mass of pure silver deposited on a metal object made into the cathode of the cell.

Answer:   0.0484 g

Explanation:

Q=I\times t

where Q= quantity of electricity in coloumbs

I = current in amperes = 0.920 A

t= time in seconds = 47.0 sec

Q=0.920A\times 47.0s=43.24C

AgNO_3\rightarrow Ag^++NO_3^-

Ag^++e^-\rightarrow Ag

96500 Coloumb of electricity electrolyzes 1 mole of Ag

43.24 C of electricity deposits =\frac{1}{96500}\times 43.24=0.00045moles of Ag

\text{ mass of Ag}={\text{no of moles}\times {\text{Molar mass}}=0.00045mol\times 108g=0.0484g

Thus the mass of pure silver deposited on a metal object made into the cathode of the cell is 0.0484 g

6 0
3 years ago
HELP! ONLY HAVE & MINUTES LEFT!
Ainat [17]
All the objects are formed from the gas and dust orbitting the sun
3 0
3 years ago
Mg(OH)2 + 2HNO3 → Mg(NO3)2 + 2H20
LenaWriter [7]

Answer:

A. 1350

You multiply 18.21HNO3* 1mol MgN2O6 * 148.30MgN2O6

Then divide it by the 2mol HNO3 to get 1350

3 0
3 years ago
¿Cuál es el número atómico del calcio? 4 Científico que propuso que los átomos eran esferas indivisibles e indestructibles. 6 Si
spayn [35]

Answer:

es una expresion de 52 necesito puntos para una pregunta sorry

Explanation:

12-12-12-14-1161-76-57-57-

8 0
3 years ago
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