Which of the following is an example of a compound?

a. h2o

b. cl

c. na

d. o

When two forces act in opposite directions the object will accelerate in the same direction as the blank force?

A container filled with gas is connected to an open-end manometer that is filled with mineral oil. the pressure in the gas container is 753 mm hg and atmospheric pressure is 724 mm.

Balance this equation- Na3PO4 + KOH - > NaOH + K3PO4

Explain why magnesium and aluminium react in a similar way?

002376 moles of nahco3 to grams

What does a substance in solid fase has

What are the three requirements for an effective collision

What is the force applied when using a simple machine.

Select all that apply. when the products of a reaction have more energy than the reactants: the reaction is exothermic. the reaction is endothermic. the reactants gave up energy. the δh is positive.

How can you determine the number of valence electrons in an atom of a representative element?