Concept explainers
Calculate the of the cyanide ion
a)
b)
c)
d)
e)
Want to see the full answer?
Check out a sample textbook solutionChapter 16 Solutions
Chemistry
- which of the following compounds has the smallest number of acidic hydrogen atoms? HC4H7O2, H2C2O4, H2C4H4O4, H3PO4, H2C3H2O4, NH3arrow_forwardCalculate AH for the reaction CH4 (g) + NH3 (g) → HCN (g) + 3 H2 (g)arrow_forwardWhich of the following species will combine with a chloride ion to produce ammonium chloride? a.NH3 b.K+ c.NH4+ d.Al+++arrow_forward
- 4. a) A polyatomic ion of formula SCN is called thiocyanate. Draw a Lewis structure for thiocyanate anion based on the total number of valence shell electrons and a connectivity S-C-N. Show your work b) Next, apply the concept of resonance to arrive at a second resonance form for the ion with formal charge on a different atom. Circle the 2 elements that are Lewis basic in this polyatomic ion. c) Based on your answers above, state which intermolecular attractive forces are important in SCN".arrow_forward1. State Whether following statements are true (T) or False (F) in the space provided. a) Electron geometry and molecular geometry is not the same for all molecules. b) The enthalpy of neutralization of strong acid -strong base reaction is a constant. c) In the ideal gas law equation, the unit of temperature is in Kelvin (K). d) In an endothermic reaction heat is released from the system to the surroundings. e) Both AgCl and PbCl2 precipitates have the same color. contained in a calorimeter. When thermal equilibrium is reached, the temperature of the water is measured to be 30.6 °C. What is the specific heat of the metal? (10 pts) (heat capacity of water is 4.18 J/g°C) GHIZA 1 WLO TREICONAY aducation.ti.comarrow_forwardWhich atom bears the formal positive charge in the hydronium ion?arrow_forward
- Calculate Kb for each of the following ions: CN-, F-, CH3COO-, HCO3arrow_forwardComplete the following acid-base reaction, using curved arrows to show the movement of electrons. Write Lewis structures for all reactants and products. Label all acids and bases. Predict the position of the equilibrium and explain your reasoning. NH ноarrow_forwardIndicate whether each of the following statements is true or false. For each statement that is false, correct the statement to make it true. The strongest acid known is HF because fluorine is the most electronegative element.arrow_forward
- 2. Give the shape and the corresponding bond angle for a molecule of formula QX, where Q is an element from Group 4 of the periodic table. 3. State the shape of the PH, molecule and explain using electron-pair repulsion theory how this shape arises.arrow_forwardN Newnerry College | liberal arts co O Home | Woll Den Chern101 -> * app.101edu.co O Logout E Reading list Question 11 of 22 Submit Draw the Lewis structure of PH, and then determine its electron domain and molecular geometries. A) tetrahedral / bent (109.5°) B) tetrahedral / trigonal pyramidal C) trigonal / tetrahedral D) planar / trigonal pyramidal E) trigonal planar / trigonal planar Click to draw a new structure 253 PM P lype herc to search R Darrow_forwardWrite an equation for the Lewis acid / Lewis base reaction between boron trifluoride and dimethyl sulfide [(CH3)2S]. Use the curved arrows to show the motion of the electrons and, if present, show the formal chargesarrow_forward
- Introductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage LearningChemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning