P4 ---------> H3PO4 balance P atoms first
P4 ---------> 4H3PO4 balance O atoms
P4 + 16 H2O ---------> 4H3PO4 balance H atoms
P4 + 16 H2O ---------> 4H3PO4 + 20H+ balance charge
P4 + 16 H2O ---------> 4H3PO4 + 20H+ + 20e- balanced half reaction
Jump to. ivities and Due Dates > HW A ResouncesLGive Up? Hint Balance the equation for...
Balance the equation for a half-reaction that occurs in acidic solution. Use e as the symbol for an electron. balanced reaction: OsO Os
-LEHMAN> Activities and Due Dates HW 15 Acids and Bases C Give Up? Hint gnment Score: 1177/1400 Resources estion 14 of 14> By titration, it is found that 28.5 mL of 0.127 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution. HCl concentration: м ACTIvat Question Source: MRG-General Chem about us careers pacypolic terma of use contact
HW 9 ESSICA ORVIS > Activities and Due Dates> HW9 4200 ve Up Resources Hint For the chemical reaction 2 HC1 +Ca(OH) CaCl, +2 H,O how many moles of calcium chloride will be produced from 27.7 g of hydrochloric acid? moles of calcium chloride: mol
Auves and Due Dates > HW8 1233/3100 Resources [ Give Up? Hint Check Ar Attempt Write a chemical equation representing the third ionization energy for lithium. Use e as the symbol for an electron. chemical equation: Li?+ Lite-
119 - PATEL > Activities and Due Dates > HW 4 nt Score: 500/1800 12 of 18 ) Resources Hint te this redox reaction into its balanced component half-reactions. Use the symbol e for an electron Check Answi Cl2 + 2 K 2 KCI on half-reaction; half-reaction: 500/1800 Question 13 of 18 Resources > Hint Check Based on the activity series, determine whether each of these reactions will occur. Will occur (spontaneous) Will not occur (nonspontaneous) Answer Bank about us...
and Due Dates > HW 14 < Assignment Score: 200/600 Resources Hint 100/100 < Question 4 of 6 Correct > Complete the reaction. Add hydrogen atoms and charges to the appropriate atoms. 100/100 Correct 0/100 Select Draw Rings M 0/100 HCI Ch-con-i-p-at e ora CH3-CH2-C-N-CH3 + H heat ning, inc. about us Careers privacy policy terms of use contact us help here to search DEN
STEELE > Activities and Due Dates > HW 14A Homeowork #1: Buffers mt Score: 27.1% Resources [ Give Up? Hint of 11 > Calculate the change in pH when 8.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M NH, (aq) and 0.100 M in NH Cl(aq). Consult the table of ionization constants as needed. ApH = 1 Calculate the change in pH when 8.00 mL of 0.100 M NaOH is...
n Arbor-CHEM 105 - Spring 20 - KETCHUM > Activities and Due Dates > HW 7 Assignment Score: 74.4% Resources G Give Up? Feedback Resume < Question 5 of 26 > Attempt 1 Identify the products formed in this Brønsted-Lowry reaction. HCO3 + Br0 acid + base acid: H₃PO, base: HP0- +,0
LIL 1022 SpAgU-RADHAA Activities and Due Dates > HW 11 Assignment Score: 32.9% Resources [Give Up? Hint Check Answer Question 11 of 21 > Attempt 2 The half-lives of different radioisotopes are given in the table. Radioisotope argon-44 lead-196 potassium-44 indium-117 Half-life (min) 12 37 22 If the initial amount of argon-44 is 9.2 g. how much argon-44 is left in the body after 24 min? mass: TOOLS x10 about us careen privacy policy terms of use contact us help...
and Due Dates HW 6 sament Score: 1267/2000 Resources [ Give Up? Hint Check Arver Question 19 of 20 > Attempt 3 alculate the standard enthalpy change for the reaction at 25 C. Standard enthalpy of formation values can be foum so thermodynamic properties. Mg(OH),(s) + 2 HCI(g) — MgCl,(s) + 2H,O(g) in = 41.2 delete return