If an atom of Bromine (Br) becomes an ion, which of the following does it most likely form?

a. Br+

b. Br7+

c. Br-

d. Br7-

When 4.31 g of a nonelectrolyte solute is dissolved in water to make 345 mL of solution at 25 °C, the solution exerts an osmotic pressure of 851 torr. a. What is the molar concentration of the solution? b.

How many Lewis dot structures does nitrogen have

A man went to a gas station and asked the attendant to inflate the low front tire. When the attendant finished, the constant (s) for the system is (are) : temperature and number of gas molecules pressure only number of molecules only volume and

Convert 24 cm to the unit km a).0.00024 km b).0.24 km c).2.4x105km d).2.4x10-3km

Which of the following does not indicate a chemical change? precipitate formation crushing a solid into a powder color change gas evolution

How many moles are in 15.5-g SiO2

Is Oxygen - O2 a pure substance or a mixture?

What atom has 14 protons and 14 electrons

What is a diagram showing the forces acting on a coasting bike rider traveling at 25 km/h on a flat roadway

Do all electromagnetic waves travel at the same speed?