In the
Seventh group, what is the type of bond that is likely to formada The group 7 element react vigorouely with group a element such as sulrom and potassium in each cause, a metal halide is formed (almorise, chloride. Bromide or iodide). Nad and urea CHANCONH₂) are soluble in water. Nad solution is a conducta & electricity while ured is not explaina Nad and vrea CHaNaCONH2) are soluble in waber. Nacl solution is aconductor of electricity while urea is not explain
How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.