3 years ago

Do wind up clocks need batteries? -like the non wired ones.

1 answer:

6 0

No, why? Cause if you're winding up the clock it's basically doing what it needs to do. So there's no need for batteries.. I hope my sad sentence make sense :p

You might be interested in

Evaporation is commonly used to concentrate dissolved solids in a liquid feed stream and produce pure water vapor.

Sergio [31]

Answer:

True

Explanation:

Evaporation is the process by which a substance changes its state from liquid to gas. evaporation occurs at all temperatures but it's rate increases as temperature increases.

Pure water vapour can be produced by evaporation.

As the liquids are removed, the solids present in solution becomes more concentrated.

7 0

2 years ago

How many moles of salt are in 13.8 g of sodium chloride?

Hoochie [10]

Answer: 0.24 moles

Explanation:

Molecular Mass of NaCl (23 + 35.5) = 58.5g

58.5g of Sodium Chloride -------> 1 mole of NaCl

∴ 13.8g of Sodium Chloride ------> 1 ÷58.5 x 13.8 = 0.2358974 ≈ 0.24moles

3 0

2 years ago

Read 2 more answers

According to the principle of the conservation of mass the mass of the sodium sulfate was the following PLS HELP I NEED TO TURN

Annette [7]

Answer:

Explanation:

The Law of Conservation of Mass is defined and explained using examples of reacting mass calculations using the law are fully explained with worked out examples using the balanced symbol equation. The method involves reacting masses deduced from the balanced symbol equation.

5 0

2 years ago

Hi! I need help with this question, if it is possible, please answer immediately.

Dennis_Churaev [7]

Answer:

Explanation:

The paper clip allows elictricity to pass, unlike the eraser or paper

6 0

2 years ago

A parachute on a racing dragster opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 4.5 seconds. What i

LiRa [457]

Answer: