Homework Answers
Add Answer to:
14 Which one of the equation ons helow represents that happens when Niis dissolved in water? | Hà N | | | | | | |...
help with these 3 please? 18. Of the reactions below, which one is a precipitation reaction?...
help with these 3 please?
18. Of the reactions below, which one is a precipitation reaction? a. NH4Cl → NH3 + HCI b. 2Mg + O2 + 2MgO c. 2N2 + 3H2 + 2NH3 d. 2CH4 +402 2002 + 4H20 e. Ca(NO3)2 + Na2S → CSS(s) + 2NaNO3 19. In the equation, CrO42(aq) + H2O(l) → CrO2(aq) + OH-(ag), the change in the oxidation number of the chromium atom is a. decrease by six units b. decrease by three units...
croHissit Song "14. a) Calculate the standard emf and write the overall equation for the cell...
croHissit Song "14. a) Calculate the standard emf and write the overall equation for the cell described as: Croaq) Haq) + (aq) → Craq) + 2/8) + H2O(D Cr₂O7991+ 4H₂011 +36-7 reducing Oxidizing 2 croren + 4H20 (0) +36 --> CrotsstSoH + 5% 3(21 691 -> Izintze-) 0.406 14 7 .0 I BOV overall eqn: 200 2 06112 --> 2010 He(s) tel +3120) emf: 0.106 b) Calculate the emf obtained by this cell (based on part a above) from the...
NAME: 1. Which net ionic equation best represents the reaction that occurs when an aqueous solution of barium chlor...
NAME: 1. Which net ionic equation best represents the reaction that occurs when an aqueous solution of barium chloride is mixed with an aqueous solution of lithium sulfate? a. 2H'(ag)+2C(aq)2HC(g) b. Ba (ag)+ SO (aq)- BaSO (s) c. Ba(aq)+ 2Cl (ag)+ 2Li'(ag)+ SO (ag) BaSO4(s)+2LIC((ag) d. BaCl(ag)+ LiSO4(ag) BaSO (s)+ 2LICI(ag) e. No net reaction occurs. 2. What products result from mixing aqueous solutions of Ni(C;H3O2)2(aq) and K3PO (aq)? a. Ni PO(s) and Ka(C2H,O2)2 (aq) b. Nis(PO):(s) and KC2H,O:(s) c....
35% l T-Mobile 2:26 AM Not Secure - mychemistryprofcom 1.Which compound is insoluble in water? a....
35% l T-Mobile 2:26 AM Not Secure - mychemistryprofcom 1.Which compound is insoluble in water? a. NaCO b. NH,NO, c. CaCO, d. CaCI, e. LiCIO 2. What is the net ionic equation for the reaction between HCl and NaHCO,? a. H.CO,(aq) HO+CO (g) b. HCl(a)HCO,(aq) H,0+ CO.(g) d. H,O +CO.(g) H'(aq) + HCO, (aq) e.H(aq) NaHCO,(aq) Na (aq) + H,O+CO (g) 3. What is the net ionic equation for the reaction between HNO and Na SO,? a H,SO,(aq) H,0+SO.(g) b....
8-10 8. Determine the reduction potential for H2O(l) in neutral water: [H"]= [OH = 10? (6...
8-10
8. Determine the reduction potential for H2O(l) in neutral water: [H"]= [OH = 10? (6 points) (P. = 1 atm) 9. A cobalt electrode is placed in 1.00 L of I M CO(NO3)2(aq) and a chromium electrode is placed in 1.00 L of IM Cr(NO3)3(aq). Electrodes are connected by a wire through a voltmeter and the solutions are connected by a salt bridge. (16 points) a. The reduction reaction will be: b. The oxidation reaction will be: c. The...
18. Which statement about redox reactions is not comect? (a) During oxidation a substance loses electrons...
18. Which statement about redox reactions is not comect? (a) During oxidation a substance loses electrons (b) The oxidation number of an element is zero (c) Oxygen is required for addation (d) Oxidation cannot occur without reduction (e) none of the above 19.11.3 g of acetone. (CH3)2C0.is mibed with 20.7 g of oxygen gas (O) and combusted to form carbon dioxide gas and water vapor. How many grams of CO2 are formed in this process? (a) 25.7 g CO2 (c)...
CHEM 1033, Sample Exam II (Homework) Chapters 3,4,6 Name: 1. What volume of 0.132 M KOH...
CHEM 1033, Sample Exam II (Homework) Chapters 3,4,6 Name: 1. What volume of 0.132 M KOH solution would react completely with 25.8 ml. of 0.198 M HCl according to the following cquation? HCI+KOH --->KCI+H.O a) 86.4 ml. b) 25.7 ml. c) 38.7 ml d) 17.2 ml. 2. Which one of the following is a strong soluble base? a) Ni(OH): b) Mg(OH): c) RLOH d) ChOH) c) Fe(OH) 3. Which one of the following is a strong acid? a) HF b)...
What is the coefficient of H.So, when the following equation is properly balanced with the smallest set of w...
What is the coefficient of H.So, when the following equation is properly balanced with the smallest set of whole numbers? __Cas(PO4h + H2SO4 - Caso + HPO. A) 3 B) 8 C) 10 D) 11 2) What is the coefficient of H20 when the following equation is properly balanced with smallest set of whole numbers? ALC + H2O - AM(OH), + CHE A) 3 B) 4 C) 6 D) 12 E) 24 3) of the reactions below, which one is...
if you can't answer all ,please don't answer 1) of the reactions below, which one is...
if you can't answer all ,please don't answer
1) of the reactions below, which one is a decomposition reaction? A) Ca(NO3)2 + Na2S -- CdS +2NaNO3 B) NH4Cl- NH3 + HCI C) 2Mg + 02 - 2MgO D) 2N2 + 3H2 → 2NH3 E) 2CH4 + 402 - 2002 + 4H20 miches of - x 1? 2 2) Calculate the percentage by mass of ammonia in cisplatin, PtCl2/NH3 12. A) 12.53 B) 5.68 C) 18.09 D) 11.35 E) 4.67 3)...
1. The reaction 6f propane with oxygen follows the reaction below: Equation1 ) Balance Equation 1...
1. The reaction 6f propane with oxygen follows the reaction below: Equation1 ) Balance Equation 1 above i) is the above reaction endothermic or exothermic? Enstem i) Classify the reaction above as combination, single displacement, double displacement, decomposition or combustion. comba How much heat was produced in Equation 1 if it can heat 100 g of water from 32 °C? to 40 Is the energy in propane potential or kinetic energy? P。hhi vi) Given that 1 mole of propane produces...
help with these 3 please?
18. Of the reactions below, which one is a precipitation reaction? a. NH4Cl → NH3 + HCI b. 2Mg + O2 + 2MgO c. 2N2 + 3H2 + 2NH3 d. 2CH4 +402 2002 + 4H20 e. Ca(NO3)2 + Na2S → CSS(s) + 2NaNO3 19. In the equation, CrO42(aq) + H2O(l) → CrO2(aq) + OH-(ag), the change in the oxidation number of the chromium atom is a. decrease by six units b. decrease by three units...
croHissit Song "14. a) Calculate the standard emf and write the overall equation for the cell described as: Croaq) Haq) + (aq) → Craq) + 2/8) + H2O(D Cr₂O7991+ 4H₂011 +36-7 reducing Oxidizing 2 croren + 4H20 (0) +36 --> CrotsstSoH + 5% 3(21 691 -> Izintze-) 0.406 14 7 .0 I BOV overall eqn: 200 2 06112 --> 2010 He(s) tel +3120) emf: 0.106 b) Calculate the emf obtained by this cell (based on part a above) from the...
NAME: 1. Which net ionic equation best represents the reaction that occurs when an aqueous solution of barium chloride is mixed with an aqueous solution of lithium sulfate? a. 2H'(ag)+2C(aq)2HC(g) b. Ba (ag)+ SO (aq)- BaSO (s) c. Ba(aq)+ 2Cl (ag)+ 2Li'(ag)+ SO (ag) BaSO4(s)+2LIC((ag) d. BaCl(ag)+ LiSO4(ag) BaSO (s)+ 2LICI(ag) e. No net reaction occurs. 2. What products result from mixing aqueous solutions of Ni(C;H3O2)2(aq) and K3PO (aq)? a. Ni PO(s) and Ka(C2H,O2)2 (aq) b. Nis(PO):(s) and KC2H,O:(s) c....
35% l T-Mobile 2:26 AM Not Secure - mychemistryprofcom 1.Which compound is insoluble in water? a. NaCO b. NH,NO, c. CaCO, d. CaCI, e. LiCIO 2. What is the net ionic equation for the reaction between HCl and NaHCO,? a. H.CO,(aq) HO+CO (g) b. HCl(a)HCO,(aq) H,0+ CO.(g) d. H,O +CO.(g) H'(aq) + HCO, (aq) e.H(aq) NaHCO,(aq) Na (aq) + H,O+CO (g) 3. What is the net ionic equation for the reaction between HNO and Na SO,? a H,SO,(aq) H,0+SO.(g) b....
8-10
8. Determine the reduction potential for H2O(l) in neutral water: [H"]= [OH = 10? (6 points) (P. = 1 atm) 9. A cobalt electrode is placed in 1.00 L of I M CO(NO3)2(aq) and a chromium electrode is placed in 1.00 L of IM Cr(NO3)3(aq). Electrodes are connected by a wire through a voltmeter and the solutions are connected by a salt bridge. (16 points) a. The reduction reaction will be: b. The oxidation reaction will be: c. The...
18. Which statement about redox reactions is not comect? (a) During oxidation a substance loses electrons (b) The oxidation number of an element is zero (c) Oxygen is required for addation (d) Oxidation cannot occur without reduction (e) none of the above 19.11.3 g of acetone. (CH3)2C0.is mibed with 20.7 g of oxygen gas (O) and combusted to form carbon dioxide gas and water vapor. How many grams of CO2 are formed in this process? (a) 25.7 g CO2 (c)...
CHEM 1033, Sample Exam II (Homework) Chapters 3,4,6 Name: 1. What volume of 0.132 M KOH solution would react completely with 25.8 ml. of 0.198 M HCl according to the following cquation? HCI+KOH --->KCI+H.O a) 86.4 ml. b) 25.7 ml. c) 38.7 ml d) 17.2 ml. 2. Which one of the following is a strong soluble base? a) Ni(OH): b) Mg(OH): c) RLOH d) ChOH) c) Fe(OH) 3. Which one of the following is a strong acid? a) HF b)...
What is the coefficient of H.So, when the following equation is properly balanced with the smallest set of whole numbers? __Cas(PO4h + H2SO4 - Caso + HPO. A) 3 B) 8 C) 10 D) 11 2) What is the coefficient of H20 when the following equation is properly balanced with smallest set of whole numbers? ALC + H2O - AM(OH), + CHE A) 3 B) 4 C) 6 D) 12 E) 24 3) of the reactions below, which one is...
if you can't answer all ,please don't answer
1) of the reactions below, which one is a decomposition reaction? A) Ca(NO3)2 + Na2S -- CdS +2NaNO3 B) NH4Cl- NH3 + HCI C) 2Mg + 02 - 2MgO D) 2N2 + 3H2 → 2NH3 E) 2CH4 + 402 - 2002 + 4H20 miches of - x 1? 2 2) Calculate the percentage by mass of ammonia in cisplatin, PtCl2/NH3 12. A) 12.53 B) 5.68 C) 18.09 D) 11.35 E) 4.67 3)...
1. The reaction 6f propane with oxygen follows the reaction below: Equation1 ) Balance Equation 1 above i) is the above reaction endothermic or exothermic? Enstem i) Classify the reaction above as combination, single displacement, double displacement, decomposition or combustion. comba How much heat was produced in Equation 1 if it can heat 100 g of water from 32 °C? to 40 Is the energy in propane potential or kinetic energy? P。hhi vi) Given that 1 mole of propane produces...
Most questions answered within 3 hours.
-
a tuba creates a 4th harmonic of frequency 116.5 Hz. what is the
frequency of the...
asked 1 minute ago -
A coconut mass 2kg falls from a 30m tall tree. The coconut falls
and comes to...
asked 4 minutes ago -
Group Policies
Research GROUP POLICY OBJECTS (GPO'S)
You can start in the Windows Server 2012 eBook...
asked 8 minutes ago -
software engineering
Problems.
Create a use case diagram for class registration for a
university.
Create a...
asked 8 minutes ago -
You are trying to convince your friend who wants to attend
medical school to take BY123...
asked 23 minutes ago -
Subject: C++
I have created a class called QueueOfIntegers in a file called
QueueOfIntegers.h, which is...
asked 22 minutes ago -
calculate the number of molecules of gas in a
container of 2.0 liter at 30 degrees...
asked 40 minutes ago -
1.which of the following is a phototroph?
a. sulfolobus
b. chloroflexus
c. bacteroidetes
d. deinococcus radioduran...
asked 36 minutes ago -
The group of companies LC "High-precision measuring instruments"
is the global provider of measurement, analysis and...
asked 42 minutes ago -
I want to write a python function to find the minimum
I have an nested list:...
asked 42 minutes ago -
Convert the high level language programming statementts to 80x86
assembly, Assume X=AX and y=BX
for (i=1;...
asked 51 minutes ago -
SoleMate’s Burkins sneakers cost $40 per pair from the supplier
and are sold by SoleMate at...
asked 55 minutes ago