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pH 3 is 10^-3 and pH 7 is 10^-7 which is the same as saying 0.001/0.0000001 which equals 10,000!

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Is there a difference between ni-cd batteries and ni-mh batteries?

Quite a few differences. Nickel-metal-hydride (ni-mh) batteries: Charge Faster; Hold a charge longer; Have far less 'memory effect'; Last longer; But are generally more expensive. Ni-mh batteries are by far the better choice.


How do you convert WmK to KcalmhC?

To convert W/mK (watts per meter Kelvin) to kcal/mh°C (kilocalories per meter hour Celsius), you can use the following formula: 1 W/mK = 8.597 kcal/mh°C. Using the conversion factor, you can multiply the value in W/mK by 8.597 to obtain the equivalent value in kcal/mh°C.


What are the best ni-mh AA rechargeable batteries for solar lights?

The best Ni-MH AA rechargeable batteries for solar lights are typically those with high capacity and low self-discharge rates, such as brands like Panasonic Eneloop or EBL. These batteries can provide long-lasting power for solar lights and are designed to be recharged multiple times.


Can nickel metal hydride battery be substituted for nickel cadium?

Yes, nickel metal hydride (Ni-MH) batteries can generally be a direct substitute for nickel cadmium (Ni-Cd) batteries. Ni-MH batteries have higher energy density, less toxicity, and no memory effect compared to Ni-Cd batteries, making them a popular alternative choice. However, it is essential to check compatibility, voltage, and charging requirements before substituting one for the other.


What are the best practices for maximizing the lifespan of Ni-MH rechargeable batteries in solar lights?

To maximize the lifespan of Ni-MH rechargeable batteries in solar lights, it is important to follow these best practices: Ensure the batteries are fully charged before first use. Avoid overcharging the batteries. Store the solar lights in a cool, dry place when not in use. Clean the solar panels regularly to maintain optimal charging efficiency. Replace the batteries when they no longer hold a charge effectively.