What is the number of protons in an atom of sodium? A) 11 B) 11.9897 C) 12 D) 23

According to the first law of thermodynamics, the increase in the internal energy during any process involving a gas: equals the heat input minus the work done on the gas is independent of the work done on the gas is independent of the heat input

Which group of elements has one lone pair?

When light bulbs A and B are connected in series to a battery, A glows brightly and B glows dimly. You remove bulb B so that the circuit is just the battery and bulb A and connect bulb B to an identical battery.

Prior to determining the experimental design, a scientist typically? A. makes observations. B. forms a hypothesis. C. performs an experiment. D. predicts the result of an experiment.

What is the sharpness of the light and the amount of voltage when you put the magnet through the lower number of coils first vs the higher number of coils

Which of the following jobs does not require good swimming ability

An object has an emissivity of 0.725. At temperature T, it radicates heat at a rate of 10 W. What is its rate of heat radiation at temperature 2 T

Which of the following is an instance of persuasive speaking? a. a coach reviewing the offensive plays for next week's game b. a lawyer explaining the details of a plea bargaining agreement to her client. c.

What is needed to support life

What property indicates a star's temperature? A size B color C composition D brightness i forgot lol