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prisoha [69]
3 years ago
12

What type of wave is created by solar energy?

Chemistry
1 answer:
Allisa [31]3 years ago
3 0

Answer:

electromagnetic

Explanation:

because the sun naknometer are know as infrared Ray's and carry lower levels of energy wthat is sunlight

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1. the purpose of the aqueous solutions in a galvanic cell is to?
ludmilkaskok [199]

Answer:

1. The correct option is;

c. maintains charge balance in the cell

2. The correct option is;

c. +3.272 V

Explanation:

The aqueous solution in a galvanic cell is the electrolyte which is a ionic solution containing that permits the transfer of ions between the separated compartment of the galvanic cell such that the overall system is electrically neutral

Therefore, the aqueous solution maintains the charge balance in the cell

2. Here we have;

B₂ + 2e⁻ → 2B⁻ Ecell = 0.662 V

A⁺ + 1e⁻ → A Ecell = -1.305 V

Hence for the overall reaction, we have;

2A + B₂ → 2AB gives;

(0.662) - 2×(-1.305)  = +3.272 V.

4 0
3 years ago
Calculate the number of moles of solute present in 185.0 mL of a 1.50 mol/L solution of HCl.
____ [38]

Answer:

0.278 mol HCl

Explanation:

We currently have 185.0 mL of a 1.50 mol/L solution of HCl. We want to find the number of moles there are.

Based on the given information, our volume is 185.0 mL and our molarity is 1.50. Because molarity is defined as moles / Litre, we can easily find the moles given volume by multiplying molarity by volume.

First, though, we must convert millilitres to litres. There are 1000 mL in 1 L, so divide 185.0 by 1000:

185.0 / 1000 = 0.185 L

Now, multiply 0.185  by 1.50:

0.185 L * 1.50 mol/L = 0.278 mol HCl

Thus the answer is 0.278 mol HCl.

<em>~ an aesthetics lover</em>

4 0
3 years ago
What is the empirical formula of the compound whose molecular formula is P4O10
Pepsi [2]
The empirical formula is the lowest reduced ration of the atoms present. In this case, it is P2O5
7 0
2 years ago
Read 2 more answers
Compare the forces of attraction between molecules in water, sugar and oxygen. Rank them in order from greatest to least. A) wat
VladimirAG [237]

Answer:

Option C, sugar, water, oxygen

Explanation:

Force of attraction leads to closer placing of atomic particles in any element or molecule. The higher the force of attraction, the more compact is the arrangement of the atomic particle.

Thus, in a solid the atomic particles are closely packed followed by a liquid and then a gas.

As we know sugar is solid, water is liquid and oxygen is gas.

Thus, forces of attraction between molecules of sugar will be the highest followed by water and then oxygen

Hence, option C is correct

4 0
3 years ago
Explain how the system of the flask and the balloon illustrates the conservation of mass.
zhenek [66]
Both containers prevent the escape of matter of the reaction into an uncontrolled space, therefore it is a closed system (not isolated, since energy can still go in and out).
4 0
3 years ago
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