in a class of 40 students 32 offer maths 24 offer physics and 4 offer neither maths nor physics. how many offer both maths and phyics

A cell that neither gains nor loses water when it is immersed in a solution must be

Which statement correctly describes how sound energy is transferred when a whale makes a sound underwater? A. Water particles are not squeezed together or pulled farther apart. B. Water particles are squeezed together but not pulled farther part. C.

Which of these is a heterogeneous mixture? a. air b. soil c. steel d. salt water

What moleculres are primarily responsible for the absorption of visible light?

What is time-independent stoichiometry?

7. A perfect cube has a width of 2 cm. What is the cube's volume? Show your work!

Predict at least two circumstances (outside influences) that would cause a system in equilibrium to change the concentrations of its reactants or products.,

How many atoms are there in 2.3 grams of H?

Which of the following would dissolve in water, and why? None of these substances would dissolve in water Candle wax, it is a nonpolar substance Motor oil, its primary IMF is London Dispersion Forces Acetic acid, it ionizes into ions when added to

Have a region surrounding the central area called