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question g ionized/nonionized ) 10 |stDyng (d) NaOH (ag) ) NH,OHiaq) RECYCLE Chemica Waste () KI(a)...
28. Describe the pH of the following salts? NaF, NH,CI, KI, NH.F A) acidic, basic, neutral, cannot tell without further information B) neutral, acidic, neutral, cannot tell without further information C) neutral, acidic, neutral, neutral D) basic, acidic, neutral, cannot tell without further information E) basic, acidic, neutral, neutral 29. Which of the following salts is(are) considered basic when dissolved in water? I NaNO IL K PO III NH C A) l only B) II only C) land il D)...
MUNITY COLLEGE ABNO, 6. Ba(NO) AgNO HNO, 7. 3 (a) H,SO NH,Ci 8. 4 (ag) (a) H,SO U) NaOH (aq) 9. H.SO Na,CO, 10. 4 (aqh H.SO Na,PO 11 4 (aq) + Ba(NO,) H.SO4() 2 (a) 12 13. H,SO +HNO,a) 4 (aq)
complete the following mechanby matching a-d with the approtiate letter below NaOH هله HO OH E G H ) OH HO J K M A 1. E 2.4 3. M D 5. F MacBook Air 888 DW 9SC 80 F3 F4 F5 F6 7 OH no 0 E G H OH K HA 1. E 2. L 3. M #D 5. F 6. N 7. K 8.) 9. H 10.G MacBook Air
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.460 M sodium hydroxide (NaOH) solution to a 23.0 g sample of the fluid and collects the solid nickel II) hydroxide (Ni(OH)2) product. When no more Ni (OH) is produced, he filters, washes and weighs it, and finds that 206. mg has been produced The balanced chemical equation for the reaction is: Ni2+(aq) + 2NaOH(aq) Ni (OH)2(s) + 2Na+ (aq) ■ precipitation x 10 acid-base...
Question 5 10 pts (A) Calculate AG for the reaction: 2H20 (1) = H3O+ (aq) + OH- (aq) at 25°C given the following initial concentrations, and thermodynamic values: [H30*) - 1.0 x 10-12 M and (OH) = 2.0 x 108M Substance AG; (H) 34.0 H30+ (aq) OH(aq) H2O(1) 1595 -237 (B) Predict the direction in which the reaction will proceed spontaneously to establish equilibrium. For full credit be sure to upload a copy of All work necessary to arrive at...
D Question 5 2 pts Suppose 160 mL of 8.0 M NaOH(aq) is added to 167 mL of 6.0 M HNO3(aq) to make a solution with a density of 1.1 g/mL and a specific heat of 4.1 J/gxK. If the initial temperature of both solutions is 295 K, what will be the final temperature (K)? Enter your answer as an integer. H(aq) + OH(aq) + H2O(1) AH° = -55.8 kJ/mol
4 and 5 D Question 4 Which of the following are strong electrolytes in aqueous solutions? Select ALL that apply. HNO3 NaOH H2C204 0 AgBr BaSO4 Question 5 Which of the following is the correct molecular equation for the following reaction? Mg(C2H2O2)2 (aq) +LI,CO3 ta → MgIC2H302)266) + LI2CO3(a) → MgCO3 tac + 2 UC2H502100) Mg(C2H5022 10. LI2CO3 --MgCO2 + 2 UC2H,2120 Miga (os) + CO2(g) → MgCO3) MgICH:02)260)+LICO3(e) MgCO3 100 + 2 UIC2H30215) Mg + 2C,H,O2 123 + 2...
Test Table 1 Single Displacement Reactions Tube Equation (Complete) 1 epr Cuts + AG NO- 210 PB + Cu(NO 32 Zn + Pb (NO) Zn + MgSO4 Cu + H2 SO. - Zn + H2SO4 (ag) - Observations bere dissolved. che Lly Owych NO ACES Na reaches Hydelse Table# 2 Relative Reactivities Test Tube Number 1 2 Greater Activity Lesser Activity Silver cu 1 2 3 4 cu Pb Pb Mg ₂ ] in 1. Arrange the metals Pb and...
Question 6: 10 pts 5 pts (A) Draw the structure of: 1. Deoxyadenylic acid 2. Uridine (B) Draw the two different dipeptides from L-tyrosine and L-alanine, showing the following in each structure. 1. the stereochemistry of the chiral centers 2. the N terminal 3. the C terminal 4, the peptide bond H3C OH OH NH2 NH2 HO L-alanine L-tyrosine ΝΗ, N pyrimidine purine NH O NH H,C, NH "NH NH NH H H H cytosine ( uracil (U; occurs in...
QUESTION 1 Heat is required to dissolve NaOH(s) in water. A-True B-False -------------------- QUESTiON 2 The below equation represents an exothermic reaction: Reactants + delta H ----> product ATrue B-False -------------------- QUESTION 3 The Styrofoam cup was used as an insulated device that allows heat loss A-True B-False -------------------- QUESTION 4 The following is an endothermic reaction; NaOH+ HCI------> NaCl+H2O+42.12KJ A-True B-False -------------------- QUESTION 5 NaOH(s)---> Na^+(aq)+CH^-(aq)+44.02kJ Calculate the amount (in moles) of NaOH needed to make the reaction above...