Why has the canals in Venice Italy cleared up during this time?

At 20°C, how many grams of potassium nitrate can be dissolved in 100 g of water?

In this redox reaction, identify the oxidizing agent.

How many grams of sodium chloride are present in a 0.75 M solution with a volume of 500.0 milliliters?

How are changes between phases consistent with the law of conservation of matter

A tank originally contains 100 gal of fresh water. Then water containing 12 lb of salt per gallon is poured into the tank at a rate of 2 gal/min, and the mixture is allowed to leave at the same rate.

Which suitable method can be used to separate a mixture of sand and paraffin

How many vowels does the word love have

What is silicon used for? -matches -gunpowder -glass -steel can coating

A intramuscular medication is given at 5.00mg/kg of body weight. What is the dose in grams for a 180-lb patient?

Nuclear fusion is the source of energy for stars. Besides hydrogen, which other element is most likely also common in stars?