MalakWael37211 MalakWael37211

12-04-2024
Chemistry

contestada

What is the ph of an aqueous solution with a hydrogen concentration of [ h3o ] = 7.2 1 x 10 ⁻⁵ m . ph =

Respuesta :

Otras preguntas

The excitation of an electron on the surface of a photocell required 5.0 x 10 –27 J of energy. Calculate the wavelength of light that was needed to excite the e

A large passenger aircraft accelerates down the runway for a distance of 3300 m before leaving the ground. It then climbs at a steady 6.3 degree angle.After the

Two forms of solid carbon, diamond and graphite, differ in their physical properties due to the differences in their (1) atomic numbers (2) crystal structures (

Which term represents a type of nuclear reaction? (1) condensation (2) vaporization (3) single replacement (4) natural transmutation

Name one state that borders Canada

Compared to the charge of a proton, the charge of all electron has (1) a greater magnitude and the same sign (2) a greater magnitude and the opposite sign (3)

Which notations represent different isotopes of the element sodium? (1) 32S and 34S (3) Na+ and Nao (2) S2- and S6+ (4) 22Na and 23Na

When a sample of a gas is heated in a sealed, rigid container from 200. K to 400. K, the pressure exerted by the gas is (1) decreased by a factor of 2. (2) incr

Which formula represents an organic compound? ( l) CaH2 (3) H2O2 (2) C4H8 (4) P2O5

Which clement is a liquid at STP? (1) bromine (3) francium (2) cesium (4) iodine