Chemistry

What is the total charge of the element below? Protons: 6 Neutrons: 6 Electrons: 6

What information does the equilibrium constant give?

Which method of application of dip powder over resin is known for the possibility of getting a non- compacted color? Select the-correct response: Pouring Dipping Smoothing Spraying

Identify the element being reduced and the element being oxidized in the reaction below. In each case, enter the element symbol. If the reaction isn't actually a redox reaction, enter NOPE for each answer. H_(2)SO_(4)+2NaOHarrow Na_(2)SO_(4)+2H_(2)O element being oxidized: element being reduced:

In Titration experiment, if at the endpoint, the color of indicator turn into dark pink. Will it affect the calculation of Molar volume of analyte? Not sure Too low Too high No effect

The parameter (s) that affects the amount of light absorbed by a sample in passing through a spectrophotometer is (are): The thickness of the solution through which the light passes. The concentration of the absorbing species in solution. The absorptivity coefficient of the absorbing species. All of the above.

What is the name of Mn_(3)(PO_(3))_(2) square

Which of the following will require a prefix in the name? Mark all that apply (NH_(4))_(2)CO_(3) MnCl_(2) NCl_(3) CaBr_(2)ast 3H_(2)O none of these

What trend does the reactivity of most nonmetals show in a periodic table , excluding the noble gases? random changes without any trends on the periodic table changes according to trends on the periodic table increases from left to right across the periodic table decreases from left to right across the periodic table

Question 17 of 30 What is the predicted change in the boiling point of water when 2.10 g of barium chloride (BaCl_(2)) is dissolved in 5 .50 kg of water? K_(b)of water=0.51^circ C/mol molar mass BaCl_(2)=208.23g/mol i value of BaCl_(2)=3 A. -0.00031^circ C B. 0.0028^circ C C. 0.00093^circ C D. -0.194^circ C