Why is evaporation of water a physical change? In terms of substances, why is evaporation of water a physical change and not a chemical change?

Which of these compound interest options will give you the highest ending balance? Compound monthly Compound every other month Compound every six months Compound annually

When an ionic bond is formed, what type of atom is likely to lose one or more electrons?

When the equation for the combustion of ethane, C2H6, is correctly balanced, the coefficient on oxygen is:

The elements lithium and oxygen react ex - plosively to from lithium oxide (Li2O). How much lithium oxide will form if 2.73 mol of lithium react? The elements lithium and oxygen react ex - plosively to from lithium oxide (Li2O).

What is the most striking part of the Rutherford scattering stimulation?

What are some differences between insect larvae and worms?

Suppose that 100 grams of water at 50.0°C is placed in contact with 200 grams of iron at 30.0°C. The final temperature is 46.5°C. The specific heats of water and iron respectively, are 4.18 and 0.45 joules per gram times Celsius.

What type of overall charge, if any, does the balloon in Diagram B have? Explain how you determined your answer.

Move deep below the ocean's surface

The Ka of an acid is 1.3 x 10^-7. Based on the Ka and its relationship with Kw, what is the value of Kb? Use KaKb=Kw 1.3 x 10^-21 7.7 x 10^-15 1.3 x 10^-14 7.7 x 10^-8