What is 93,000,000 in scientific notation?

3. Write the nuclear symbol and hyphen notation for each of the following isotopes: a. mass number of 28 and atomic number of 14 b. 26 protons and 30 neutrons

Why an increase in temperature increases the reaction rate?

aluminum nitrite and ammonium cloride react to form aluminium chloride. nitrogen and water. what mass of alluminum chloride is present of 43g of ammonium nitrite have reacted completely

What is copper sulfate?

Object A has a mass of 12 g and a density of 3 g/cm3. Object B has a mass of 12 g and a density of 5 g/cm3. Which object has a greater volume and by how much? Object A, by 2 6 cubic centimeters Object A, by 1.

The harder you strike a drum, the greater the sound's A) medium B) volume C) frequency D) pitch

The equation X + Y 2Z has the rate law equation shown below. Which of the following statements best describes the relationship of X on the rate of the reaction? rate = k[X]2[Y] Changing X has no effect on the reaction rate.

What moves in or out of a substance during a change of state?

2.5 moles of sodium chloride is dissolved to make 0.050 liters of solution

2. The minimized structure of phenacetin is planar, and the chemical shifts of the aromatic protons in the NMR spectrum can be rationalized by electron delocalization.