Which of the following will decrease the rate of dissolving?*

A) increasing the amount of agitation

B) increasing the temperature of the solvent

C) increasing the particle size of the solute

Which is more reactive copper or calcium? Why?

How many ionization constants are associated with oxalic acid (H2C2O4) ? 3 0 2 1

What is the empirical formula for a compound that contains 0.0134 g of iron, 0.00769 g of sulfur and 0.0115 g of oxygen?

Anne is trying to attract her metal pencil box with a magnet from the other side of her desk. The pencil box does not move. What is most likely true? * The pencil box is repelling the force of the magnet.

How do you find the number of moles for your unknown?

Why does the amount of energy available change as you move from one trophic level to the next?

What type of bond holds metal atoms together?

Imagine you are purifying a protein which accounts for 0.001% of the total protein within a cell. how many steps of purification are required to yield pure protein, assuming a 10 fold purification with each step of purification?

If an object has the mass of 109.67 g and a volume of 16.99 cm3 what's its density

Astrology is pseudoscience. What can you conclude about the claims made by astrology