You place 10 grams of a salt into water and want it to dissolve. All of the following will cause a salt to dissolve faster except for which one?

What is one source of human stem cells other than embryos

How many moles does the mass quantity 127.4g of AgNO3 have?

What is the pH of 0.550 M H2 SO4

Choose the answer below that gives the correct chemical symbol and classification (metal, metalloid, or nonmetal) for the element named. Select one: a. The element called niobium is a metal with the chemical symbol Ni. b.

Rearrange D=m/v to make v the variable

Gasoline has a density of 0.749 g/mL. How many pounds does 19.2 gallons of gasoline weigh? Use significant figures. Do not enter "pounds" as part of your answer.

Which of these changes involved a physical change and not a chemical change?

Which of the following statements is true? Running an electric current through a magnet can create a magnetic field. Electric engines change electricity into magnetism. The strength of a magnetic field increases with distance.

valancy of x is 3 while that of y is 1. write a formula of the compounds when each of the seperaty combines with oxygen

The elements that contain electrons in an F sublevel near the highest occupied energy level are referred to as? A. Alkali metals B. Alkali earth metals C. transition metals D. inner transmission levels