The period of of 440 Hz soundwave is how many seconds

What is the temperature, in degrees Celsius, of a substance with a temperature of 49K? - 322°C - 224°C 224°C 322°C

a nucleus occupies a very small about of space inside an atom. from the nucleus of an atom to be a ball 10 cm in diameter.

Which of the following can produce deadly gases when mixed together? a. alcohols b. gasoline and water c. household cleaners d. window cleaner and water

Two identical pots, one black and one silver, containing exactly the same amounts of water, are heated to the same temperature. They are left uncovered and placed in the same room.

What functional groups can act as acids?

What is made up of biotic and abiotic features

A particular country has 50 total states. If the areas of all 50 states are added and the sum is divided by 50 , the result is 196 comma 510 square kilometers. Determine whether this result is a statistic or a parameter.

Determine the number of bonding electrons and the number of nonbonding electrons in the structure of xe f 2.

How do we know when two systems have reached thermal equilibrium? (check all answers that apply) a) No heat flows between the two systems. b) One system is colder than the other c) One system is warmer than the other.

Which atom has the highest ionization energy? why is the ionization energy in trat atom greater?