Chemistry, 16.10.2019 22:00, pattydixon6
Which is not true regarding the ph scale?
the neutral ph at 25°c is 7.0.
bases have a ph greater than 7.0.
the ph scale measures the hydronium ion concentration in solution.
when the concentration of hydroxide ions increases, the ph decreases.
Answers: 3
Chemistry, 22.06.2019 02:30, ethanmel21
Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh
Answers: 2
Chemistry, 22.06.2019 23:30, bxymichelle
With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals
Answers: 3
Chemistry, 23.06.2019 12:30, Vipain02
The equilibrium constant kc for the reaction 2 nocl(g) → 2 no(g) + cl2(g) is 0.453 at a certain temperature. a mixture of nocl, no, and cl2 with concentrations 1.30, 1.20, and 0.600 m, respectively, was introduced into a container at this temperature. which of the following is true? 1. no apparent reaction takes place. 2. [cl2] = 0.30 m at equilibrium. 3. nocl(g) is produced until equilibrium is reached. 4. [nocl] = [no] = [cl2] at equilibrium. 5. cl2(g) is produced until equilibrium is
Answers: 3
Which is not true regarding the ph scale?
the neutral ph at 25°c is 7.0.
b...
the neutral ph at 25°c is 7.0.
b...
Mathematics, 31.01.2022 21:00
Mathematics, 31.01.2022 21:00
Mathematics, 31.01.2022 21:00
Mathematics, 31.01.2022 21:00
Mathematics, 31.01.2022 21:00