Chemistry

Enter your answer in the provided box. The K_(sp) of metal hydroxide, Ni(OH)_(2) is 5.48times 10^-16 Calculate the solubility of this compound in g/L square g/L

A beaker filled with a yellow liquid and a green solid is a mixture of exactly two compounds. a mixture of two or more elements. a mixture of an element and a compound. C a mixture of two or more substances. a homogeneous mixture.

Given the following data for the reaction Aarrow B determine the activation energy, E_(a) of the reaction. k(s^-1) & T(mathrm(~K)) 3.10 times 10^-4 & 275.0 7.77 times 10^-3 & 375.0 a) 2.68kJ/mol b) 15.1kJ/mol c) 27.6kJ/mol d) 95.1kJ/mol e) 18.5kJ/mol

The pH of the extracellular fluid such as blood plasma, of a healthy person is acidic. slightly acidic. neutral. slightly basic. basic.

The lab question is "Based on a substance's properties, how can you determine whether its bonds are ionic or covalent?"Fill in the box to answer this question with a hypothesis. Hypothesis: If a substance contains ionic bonds. then its properties would include __ square

Suppose you had to titrate a solution of NaOH of unknown concentration with a solution of HCl of known concentration using phenolphthalein as an indicator. How will you determine the color change? square

Question: A silica tetrahedron molecule contains four __ atoms and one silicon atom. Answer Input: Spolling counts but capitalization ation doesn't. square

Corrosives are used in everything from: Batteries to disinfectants. Batteries to paper goods. Plastics to polymers. Batteries to polymers.

Choose the options below that are amphiprotic. (select all that apply) Select all that apply: H_(2)SO_(4) HS^- PO_(4)^3- NH_(3)

__ occurs when calcium and phosphate dissolve from hydroxyapatite crystals in the enamel. Select one: a. Decay b. Demineralization c. Remineralization d. Calcium depletion