La onda sinusoidal mostrada en la figura anterior se desplaza en la dirección del eje x positivo y tiene una frecuencia de 18.0 Hz.

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?