Astudent cleaned a crucible with hcl. after pouring the hcl into the waste container, the crucible was neither rinsed with water nor dried before the student added the nahco3-nacl mixture. the crucible contained some residual hcl. how would this affect the calculated percentage of nahco3 in the mixture

There are main groups in the modern periodic table of elements

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces