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3(a) Calculate the Δ Ho value for the addition of HCl to ethyne (b) Calculate...
AICI HO not balanced) 14. Using the equation: HCI + Al(OH). How many grams of AICI,...
AICI HO not balanced) 14. Using the equation: HCI + Al(OH). How many grams of AICI, will you make if you start with 234.03 grams of Allow a) What do you have and what do you need b) Write the unbalanced equation c) Balance the equation d) From 234,03 grams, how many moles of Al(OH), do you have? (Convert grams to moles) Molecule: fone molecule) Atomic Breakdown: counting atoms skill) # Moles = 1 Atomic weight of element a tom...
Need help with 4.6 temperatui water is 1.60 K. Calculate Δ1) and an Calculate Δ H2...
Need help with 4.6
temperatui water is 1.60 K. Calculate Δ1) and an Calculate Δ H2 for NO(g) at 975 K, assuming that the als P4.4 heat capacities of reactants and products are constant over the tie temperature interval at their values at 298.15 K. P4.5 The total surface area of the earth covered by ocean is cu 335 × 108 km2. Carbon is fixed in the oceans via photosyn- thesis performed by marine plants according to the reaction 6...
NEED HELP ASAP 1-4 and has a question. 1) A chemical reaction that releases heat to the surroundings is said to be _...
NEED HELP ASAP 1-4
and has a question. 1) A chemical reaction that releases heat to the surroundings is said to be _AH at constant pressure. A) endothermic, positive B) endothermic, negative C) exothermic, positive D) exothermic, neutral E) exothermic, negative kJ of heat are transferred when 161.8 2) The value of AHº for the reaction below is -72 kJ. g of HBr is formed in this reaction. H2(g) + Br2 (g) → 2HBr (g) A) 54 B) 36 C)...
PART C 6. Explain why PbCl2 did not precipitate immediately upon addition of HCI. 7. Is...
PART C 6. Explain why PbCl2 did not precipitate immediately upon addition of HCI. 7. Is Reaction 3 exothermic or endothermic? Explain your choice. 8. Explain why the PbCl2 dissolved in water in Step 12. Brookhaven College Chemistry - v3 Page 7 of 8 9. Calculate the value of the equilibri $1994 ate the value of the equilibrium constant for Reaction 3. Do not forget to use the total volume when you calculate your ion concentrations. dopo u toqxo isoy...
Please help with 1, 3, and 4 :) A. ΔHsolution of NaOH(s) Phase Change: Mass of...
Please help with 1, 3, and 4 :)
A. ΔHsolution of NaOH(s) Phase
Change:
Mass of NaOH: 1.81 g
ΔT for reaction A : 6 °C
B. ΔHsolution for neutralization of
HCl(aq) and NaOH(aq):
Volume of HCl: .05 L
Volume of NaOH: .05 L
Volume total: .10 L
Molarity of HCl: 2.08 M
Molarity of NaOH: 2.08 M
ΔT for reaction B: 12°C
C. ΔH for Reaction of HCl(aq) and
NaOH(s):
Volume of HCl: .055 L
Volume of water: .045...
A certain reaction has Ho = 79.70 kJ and So = -55.80 J/K. (a) Is this...
A certain reaction has Ho = 79.70 kJ and So = -55.80 J/K.
(a) Is this reaction exothermic, endothermic or isothermic
(neither)?
This reaction is ---Select--- exothermic endothermic
isothermic .
(b) Does this reaction lead to a decrease, an increase, or no
change in the degree of disorder in the system?
This reaction leads to ---Select--- a decrease an
increase no change in the disorder of the system.
(c) Calculate Go for this reaction at 298 K. If this
value is less...
Below is a free energy change graph for a reaction in which reactants A+B produce the...
Below is a free energy change graph for a reaction in which reactants A+B produce the product D. Use the data given to answer the following questions: What does the hump in the middle represent? What is the name of the general class of proteins that are needed to help the reactions go through that hump in a cell? How do they help the reaction go through? In this reaction is the free energy of the reactants or the free...
2?3? a) 2 NH - N2 + 3 H2 b) CH,OH + 6 02 A 4...
2?3?
a) 2 NH - N2 + 3 H2 b) CH,OH + 6 02 A 4 CO2 + 5 H20 c) 2 H;PO4 (a) + 2 Alo -- 2 AIPO4 (a) + 3 Hae d) Na2SO4 (aq) + BaCl2 (24) - 2 NaCl(aq) + BaSO4) e) N2 + 02 - 2 N20 2. Label the type of reaction for the equations in the question above as synthesis (combination), decomposition, single replacement or double replacement. a is (omit reaction b) cis...
if someone could help me fillinh out the rest of these questions, thank you Part IV....
if
someone could help me fillinh out the rest of these questions,
thank you
Part IV. Energy Sources. Table 6. Experimental Data for the Combustion Selected Fuels. Initial T of Final T of Amount of Heat, q, Run Material Calorimeter Calorimeter Absorbed/Released (°C) (°C) (use signs) (J) Change of Internal Energy, AE (J) 1 Coal 39 20.0°C 30.4°C Ethanol N 3.00 g x 4.184 J/g*C X (30.4-20.01°C = 130.5 J 3.00 g x 4.184 Jlgec x (28.9-20.0) 'C = 111.7J...
POST LABORATORY QUESTIONS 1. a. For the neutralization reaction that you carried out between HCl(aq) and...
POST LABORATORY QUESTIONS 1. a. For the neutralization reaction that you carried out between HCl(aq) and NaOH (ag). how many moles of NaCl(aq) were produced? b. For the neutralization reaction that you carried out between HCl(aq) and NaOH() how many moles of NaCl(aq) were produced? 2. Calculate AHan for the neutralization of HCl(aq) and NaOH(aq) in kilojoules per mol of NaCl b. Calculate A Hexn for the neutralization of HCl (aq) and NaOH(s) in kilojoules per mol of NaCl 3....
AICI HO not balanced) 14. Using the equation: HCI + Al(OH). How many grams of AICI, will you make if you start with 234.03 grams of Allow a) What do you have and what do you need b) Write the unbalanced equation c) Balance the equation d) From 234,03 grams, how many moles of Al(OH), do you have? (Convert grams to moles) Molecule: fone molecule) Atomic Breakdown: counting atoms skill) # Moles = 1 Atomic weight of element a tom...
Need help with 4.6
temperatui water is 1.60 K. Calculate Δ1) and an Calculate Δ H2 for NO(g) at 975 K, assuming that the als P4.4 heat capacities of reactants and products are constant over the tie temperature interval at their values at 298.15 K. P4.5 The total surface area of the earth covered by ocean is cu 335 × 108 km2. Carbon is fixed in the oceans via photosyn- thesis performed by marine plants according to the reaction 6...
NEED HELP ASAP 1-4
and has a question. 1) A chemical reaction that releases heat to the surroundings is said to be _AH at constant pressure. A) endothermic, positive B) endothermic, negative C) exothermic, positive D) exothermic, neutral E) exothermic, negative kJ of heat are transferred when 161.8 2) The value of AHº for the reaction below is -72 kJ. g of HBr is formed in this reaction. H2(g) + Br2 (g) → 2HBr (g) A) 54 B) 36 C)...
PART C 6. Explain why PbCl2 did not precipitate immediately upon addition of HCI. 7. Is Reaction 3 exothermic or endothermic? Explain your choice. 8. Explain why the PbCl2 dissolved in water in Step 12. Brookhaven College Chemistry - v3 Page 7 of 8 9. Calculate the value of the equilibri $1994 ate the value of the equilibrium constant for Reaction 3. Do not forget to use the total volume when you calculate your ion concentrations. dopo u toqxo isoy...
Please help with 1, 3, and 4 :)
A. ΔHsolution of NaOH(s) Phase
Change:
Mass of NaOH: 1.81 g
ΔT for reaction A : 6 °C
B. ΔHsolution for neutralization of
HCl(aq) and NaOH(aq):
Volume of HCl: .05 L
Volume of NaOH: .05 L
Volume total: .10 L
Molarity of HCl: 2.08 M
Molarity of NaOH: 2.08 M
ΔT for reaction B: 12°C
C. ΔH for Reaction of HCl(aq) and
NaOH(s):
Volume of HCl: .055 L
Volume of water: .045...
A certain reaction has Ho = 79.70 kJ and So = -55.80 J/K.
(a) Is this reaction exothermic, endothermic or isothermic
(neither)?
This reaction is ---Select--- exothermic endothermic
isothermic .
(b) Does this reaction lead to a decrease, an increase, or no
change in the degree of disorder in the system?
This reaction leads to ---Select--- a decrease an
increase no change in the disorder of the system.
(c) Calculate Go for this reaction at 298 K. If this
value is less...
Below is a free energy change graph for a reaction in which reactants A+B produce the product D. Use the data given to answer the following questions: What does the hump in the middle represent? What is the name of the general class of proteins that are needed to help the reactions go through that hump in a cell? How do they help the reaction go through? In this reaction is the free energy of the reactants or the free...
2?3?
a) 2 NH - N2 + 3 H2 b) CH,OH + 6 02 A 4 CO2 + 5 H20 c) 2 H;PO4 (a) + 2 Alo -- 2 AIPO4 (a) + 3 Hae d) Na2SO4 (aq) + BaCl2 (24) - 2 NaCl(aq) + BaSO4) e) N2 + 02 - 2 N20 2. Label the type of reaction for the equations in the question above as synthesis (combination), decomposition, single replacement or double replacement. a is (omit reaction b) cis...
if
someone could help me fillinh out the rest of these questions,
thank you
Part IV. Energy Sources. Table 6. Experimental Data for the Combustion Selected Fuels. Initial T of Final T of Amount of Heat, q, Run Material Calorimeter Calorimeter Absorbed/Released (°C) (°C) (use signs) (J) Change of Internal Energy, AE (J) 1 Coal 39 20.0°C 30.4°C Ethanol N 3.00 g x 4.184 J/g*C X (30.4-20.01°C = 130.5 J 3.00 g x 4.184 Jlgec x (28.9-20.0) 'C = 111.7J...
POST LABORATORY QUESTIONS 1. a. For the neutralization reaction that you carried out between HCl(aq) and NaOH (ag). how many moles of NaCl(aq) were produced? b. For the neutralization reaction that you carried out between HCl(aq) and NaOH() how many moles of NaCl(aq) were produced? 2. Calculate AHan for the neutralization of HCl(aq) and NaOH(aq) in kilojoules per mol of NaCl b. Calculate A Hexn for the neutralization of HCl (aq) and NaOH(s) in kilojoules per mol of NaCl 3....
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