A change from one state of matter to another involves the transfer of

a. heat.

b. atoms.

c. phases.

d. density.

Which household items would be considered a base?

0.005 parts per million is equal to how much of 1 liter

Studies show that the average height of all Earth's oceans is increasing over time. Which of the following is a possible cause? A. Seawater is expanding as it gets warmer, B. The ocean's conveyor belt is speeding up, C.

Carbon forms two oxides in which the weight of oxygen combines with 1 g of carbon are 1.33 g and 2.66 g respectively. What law is in agreement with this observation? Give reasons.

How could you separate a mixture of olive oil, water and table salt by physical means?

What is the number of copper atoms in 1naira coin which weighs 7.39g assuming the material of which the coil is made is 86% copper Na=n/n number of moles/n

Which of the following statements are consistent with Rutherford's nuclear theory as it was originally stated? (A) The volume of an atom is mostly empty space. (B) The nucleus of an atom is small compared to the size of the atom.

Which has a larger atom calcium or barium?

When a spring is compressed, the energy changes from kinetic to potential which best describes this change?

Which of the following elements is classified as a nonmetal Xe Ca Sb Cu