What is the mass number of an ion with 107 electrons, 157 neutrons, and a 1 charge?

3. You measure a cube and determine that its sides are 0.65m. You place the cube on a mass scale and determine that this cube has a mass of 10,500 grams. What is the density of this cube in units of kg/m3 and in units of g/mL?

1. what is volume? a) half of the density of a substance b) the amount of matter in a substance c) twice the amount of mass of substance d) the amount of space a substance takes up 2.

The winner of a 10 km road race took half an hour to complete the race. Calculate her average speed. Give your answer in metres per second.

H2 (g) + Cl2 (g) →2HCl (g) As the pressure increases at constant temperature, the number of moles of HCl? Increase, Decrease, Stay the same?

What is activation energy? A. energy needed by the body to stay active B. energy needed to break chemical bonds C. energy provided by carbohydrate foods D. energy provided by fat foods

The ductility of a material is the measure of a) The amount of elastic deformation that can be sustained before yielding b) The capacity of a material to absorb energy when it is deformed elastically c) The degree of plastic deformation that has

Consider the polymerization of styrene in toluene at 60°C initiated by di-t-butylperoxide for a solution containing 0.04 mol of initiator and 2 mol of monomer per liter. The initial rates of initiation, Ri, and propagation, RP, are found to be 1.

Which of the dollowing isotopes have 8 neutrons in the nucleus? 0-15 0-17 C13 O C14

Click the DeltaH is an Extensive Property button within the activity, and analyze the relationship between the two reactions that are displayed.

The fundamental unit used to measure mass is?