Who hypothesized that electrons orbit around a nucleus

A sample of oxygen gas at a pressure of 788 mm Hg and a temperature of 75 °C, occupies a volume of 7.13 liters. If the gas is cooled at constant pressure to a temperature of 26 °C, the volume of the gas sample will be___ L.

Ground state electron configuration for element V

What type of relationship to pressure and volume have?

A box is released from rest and slides down a ramp in a closed system. Even though the box speeds up, its kinetic energy at the bottom of the ramp is less than the potential energy that it had at the top of the ramp.

In this unbalanced reaction, which atom is reduced? h2o + cl2 + so2 → hcl + h2so4

Biofuel is any fuel that is produced from living or once living matter in a short period of time, days, weeks, or even months.

How are revolution and year related

Read the scientific question below. "Does sunlight make plants live?" What is a likely hypothesis for the question?

A chemist is using a solution of HNO3 that has a pH of 3.75. What is [H+] for the solution?

What is the oxidation number for CO2