What is the molecular weight (mass) for Ba (NO3) 2?

275.35 g/mol

261.34 g/mol

199.33 g/mol

Which of the following is a mixture A aluminum B BaSO3 C Milk D table salt

Unstable isotopes occur when the strong force is unable to overcome the

The acid in the human stomach that aids in digestion is?

What is approximate half-life of carbon-14?

State of an atom with same number of proton and electrons

Limestone is primarily a crystal form of caco 3 . How many moles of oxygen are in a 1.25 mol sample of caco 3 ? Only include the numerical value in your answer. Do not include units.

The expression of 5522 km in scientific notation is

Gallium crystallizes in a primitive cubic unit cell. The length of an edge of this cube is 362 pm. What is the radius of a gallium atom?

Amy is holding one end of a jump rope. Her friend Beth is holding the other end of the rope. Amy swiftly moves the handle of the jump rope downward, creating a large wave in the rope. Will Beth feel a tug on the rope at her end?

Which is the balance equation for S8+O2=SO2