A (n) ___ bond is a covalent bond in which the force of attraction for the shared pair of electrons is exerted equally by all of the atoms in the molecule.

What best describes molarity

A 150-lb person burns about 2700 Calories to run a marathon. How much energy is burned in kJ?

When practicing for your oral presentation, you should do all of the following except: Hold any notes or index cards low and below your waist. Speak very quickly to complete the presentation in a short time.

Characteristics of matter that cannot be changed are called

A balloon filled with gas expands in volume by 2.0 L against an external pressure of 0.93 atm. If the balloon has absorbed 636 J of heat from the surroundings, what is the change in the balloon's internal energy? (note: 1 L-atm = 101.3 J)

Which would not be associated with stable atmospheric conditions afternoon thunder showers is the answer

Which is not a characteristic of a compound? It is a mixture of elements. It has properties that differ from its component elements. It has a fixed proportion of elements.

Can you think of other possible ways scientists can determine what climate was like in the past besides studying ice cores?

Which sub-layer thins out into space, where there is no air

Complete and balance the molecular equation, including phases, for the reaction of aqueous ammonium bromide, nh4br, and aqueous lead (ii) acetate, pb (c2h3o2) 2.