A cosmetologist has an ethical duty to do which of the following?

Calculate the mass of khc8h4o4 that reacts with 15 ml of the naoh solution

A Gran plot for a potentiometric titration resulted in a slope of 5.56 x 105. Measurements were made using SCE as the reference electrode and the analyte Eo was determined to be 0.354 V.

A balloon is filled with 35.0 L of helium in the morning when the temperature is 303 degrees kelvin. By 3:00 p. m., the temperature has risen to 333 degrees kelvin. What is the new volume of the balloon? 2882 L 38.5 L 31.8 L 65.0 L

Which is the number of atoms in 4.5 moles of Hg, correctly written in scientific notation with the correct number of significant figures?

Often atoms join so that each atom will have what?

The rate constant for a first-order reaction is 0.54 s-1. What is the half-life of this reaction if the initial concentration is 0.33 M?1.8 s1.3 s0.089 s5.6 s0.31 s

Arrange the following alkyl bromides in order from most reactive to least reactive in an SN2 reaction: 1-bromo-2-methylbutane, 1-bromo-3-methylbutane, 2-bromo-2-methylbutane, and 1-bromopentane.

A sample of pure lithium contains 7.99% lithium by mass. What is the % lithium by mass in a sample of pure lithium nitrate that has twice the mass of the first sample?

Which element is in the same period as Na, Li, or, Mg

NH4 + (aq) + OH - (aq) + H + (aq) + Cl - (aq) →NH4 + (aq) + Cl - (aq) + H2O (l). What is its net ionic equation?.