Is nail polish a pure substance or a mixture?

You take an ice cube (mass = 18g) from the freezer (T=-10°C) and place it on the table. Later that day, you notice a puddle of water on the table that has reached ambient room temperature (20°C).

It takes 47.0 j to raise the temperature of an 10.2 g piece of unknown metal from 13.0∘c to 24.6 ∘c. what is the specific heat for the metal? express your answer with the appropriate units.

Ksp for calcium carbonate is 3 x 10-9. if you mix together 100 ml of 0.01 m calcium chloride with 100 ml of 10-5 m solution of potassium carbonate, will a precipitate form?

What are the metals nonmetals and metalloids on periodic table?

Calculate the mass defect of the nitrogen nucleus 14 7n. the mass mn of neutral 14 7n is equal to 14.003074 atomic mass units.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda